Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java @ 140:43f03f6047b9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implemented the step-back part of the advance() operation. flys-artifacts/trunk@1522 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 21 Mar 2011 08:17:15 +0000
parents ebb1cb69d847
children fc694a43a7e5
rev   line source
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
3 import java.util.HashMap;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
4 import java.util.List;
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
5 import java.util.Map;
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
6 import java.util.Set;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
7 import java.util.Vector;
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
8
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
9 import javax.xml.xpath.XPathConstants;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import org.apache.log4j.Logger;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13 import org.w3c.dom.Document;
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
14 import org.w3c.dom.Element;
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
15 import org.w3c.dom.Node;
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
16 import org.w3c.dom.NodeList;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
17
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18 import de.intevation.artifacts.ArtifactFactory;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
19 import de.intevation.artifacts.CallContext;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
20
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 import de.intevation.artifacts.common.ArtifactNamespaceContext;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22 import de.intevation.artifacts.common.utils.XMLUtils;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24 import de.intevation.artifactdatabase.DefaultArtifact;
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
25 import de.intevation.artifactdatabase.data.DefaultStateData;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 import de.intevation.artifactdatabase.data.StateData;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27 import de.intevation.artifactdatabase.state.State;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28 import de.intevation.artifactdatabase.state.StateEngine;
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
29 import de.intevation.artifactdatabase.transition.TransitionEngine;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
31 import de.intevation.flys.artifacts.context.FLYSContext;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
32
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
33
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 * The defaul FLYS artifact.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39 public abstract class FLYSArtifact extends DefaultArtifact {
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41 /** The logger that is used in this artifact.*/
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
42 private static Logger logger = Logger.getLogger(FLYSArtifact.class);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
43
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
44
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
45 /** The XPath that points to the input data elements of the FEED document.*/
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
46 public static final String XPATH_FEED_INPUT =
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
47 "/art:action/art:data/art:input";
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
48
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
49 /** The XPath that points to the name of the target state of ADVANCE.*/
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
50 public static final String XPATH_ADVANCE_TARGET =
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
51 "/art:action/art:target/@art:name";
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
52
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
53 /** The constant string that shows that an operation was successful.*/
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
54 public static final String OPERATION_SUCCESSFUL = "SUCCESS";
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
55
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
56 /** The constant string that shows that an operation failed.*/
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
57 public static final String OPERATION_FAILED = "FAILURE";
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
58
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
59
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60 /** The identifier of the current state. */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61 protected String currentStateId;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
62
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
63 /** The identifiers of previous states on a stack.*/
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
64 protected Vector<String> previousStateIds;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
65
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
66 /** The name of the artifact.*/
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
67 protected String name;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
68
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
69 /** The data that have been inserted into this artifact.*/
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
70 protected Map<String, StateData> data;
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
71
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
72
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
73 /**
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
74 * The default constructor that creates an empty FLYSArtifact.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
75 */
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
76 public FLYSArtifact() {
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
77 data = new HashMap<String, StateData>();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
78 previousStateIds = new Vector<String>();
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
79 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
80
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
81
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
82 /**
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
83 * Returns the name of the concrete artifact.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
84 *
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
85 * @return the name of the concrete artifact.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
86 */
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
87 public abstract String getName();
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
88
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
89
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
90 /**
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
91 * Returns the FLYSContext from context object.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
92 *
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
93 * @param context The CallContext or the FLYSContext.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
94 *
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
95 * @return the FLYSContext.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
96 */
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
97 protected FLYSContext getFlysContext(Object context) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
98 return context instanceof FLYSContext
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
99 ? (FLYSContext) context
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
100 : (FLYSContext) ((CallContext) context).globalContext();
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
101 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
102
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
103
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
104 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
105 * Initialize the artifact and insert new data if <code>data</code> contains
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
106 * information necessary for this artifact.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
107 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
108 * @param identifier The UUID.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
109 * @param factory The factory that is used to create this artifact.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
110 * @param context The CallContext.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
111 * @param data Some optional data.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
112 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
113 @Override
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
114 public void setup(
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
115 String identifier,
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
116 ArtifactFactory factory,
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
117 Object context,
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
118 Document data)
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
119 {
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
120 logger.debug("Setup this artifact with the uuid: " + identifier);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
121
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
122 super.setup(identifier, factory, context, data);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
123
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
124 FLYSContext flysContext = (FLYSContext) context;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
125 StateEngine engine = (StateEngine) flysContext.get(
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
126 FLYSContext.STATE_ENGINE_KEY);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
127
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
128 String name = getName();
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
129
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
130 logger.debug("Set initial state for artifact '" + name + "'");
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
131 List<State> states = engine.getStates(name);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
132
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
133 setCurrentState(states.get(0));
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
134 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
135
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
136
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
137 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
138 * Insert new data included in <code>input</code> into the current state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
139 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
140 * @param target XML document that contains new data.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
141 * @param context The CallContext.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
142 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
143 * @return a document that contains a SUCCESS or FAILURE message.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
144 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
145 @Override
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
146 public Document feed(Document target, CallContext context) {
123
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
147 logger.info("FLYSArtifact.feed()");
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
148
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
149 Document doc = XMLUtils.newDocument();
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
150
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
151 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
152 doc,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
153 ArtifactNamespaceContext.NAMESPACE_URI,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
154 ArtifactNamespaceContext.NAMESPACE_PREFIX);
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
155
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
156 Element result = creator.create("result");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
157 doc.appendChild(result);
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
158
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
159 try {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
160 saveData(target, XPATH_FEED_INPUT);
123
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
161 return describe(target, context);
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
162 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
163 catch (IllegalArgumentException iae) {
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
164 creator.addAttr(result, "type", OPERATION_FAILED, true);
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
165
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
166 // TODO I18N this message - getMessage() returns a lookup string, no
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
167 // human readable error message
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
168 result.setTextContent(iae.getMessage());
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
169 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
170
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
171 return doc;
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
172 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
173
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
174
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
175 /**
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
176 * This method handles request for changing the current state of an
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
177 * artifact. It is possible to step forward or backward.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
178 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
179 * @param target The incoming ADVANCE document.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
180 * @param context The CallContext.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
181 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
182 * @return a document that contains a SUCCESS or FAILURE message.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
183 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
184 public Document advance(Document target, CallContext context) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
185 Document doc = XMLUtils.newDocument();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
186
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
187 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
188 doc,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
189 ArtifactNamespaceContext.NAMESPACE_URI,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
190 ArtifactNamespaceContext.NAMESPACE_PREFIX);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
191
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
192 Element result = ec.create("result");
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
193
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
194 String targetState = XMLUtils.xpathString(
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
195 target, XPATH_ADVANCE_TARGET, ArtifactNamespaceContext.INSTANCE);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
196
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
197 logger.info("FLYSArtifact.advance() to '" + targetState + "'");
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
198
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
199 if (isStateReachable(targetState, context)) {
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
200 logger.info("Advance: Step forward");
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
201
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
202 Vector<String> prev = getPreviousStateIds();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
203 prev.add(getCurrentStateId());
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
204
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
205 setCurrentStateId(targetState);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
206
123
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
207 return describe(target, context);
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
208 }
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
209 else if (isPreviousState(targetState, context)) {
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
210 logger.info("Advance: Step back to");
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
211
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
212 Vector<String> prevs = getPreviousStateIds();
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
213 int targetIdx = prevs.indexOf(targetState);
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
214 int start = prevs.size() - 1;
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
215
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
216 for (int i = start; i >= targetIdx; i--) {
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
217 String prev = prevs.get(i);
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
218 logger.debug("Remove state id '" + prev + "'");
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
219 prevs.remove(prev);
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
220 }
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
221
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
222 setCurrentStateId(targetState);
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
223
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
224 return describe(target, context);
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
225 }
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
226
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
227 logger.warn("Advance: Cannot advance to '" + targetState + "'");
123
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
228 ec.addAttr(result, "type", OPERATION_FAILED, true);
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
229
123
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
230 doc.appendChild(result);
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
231
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
232 return doc;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
233 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
234
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
235
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
236 /**
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
237 * Returns the identifier of the current state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
238 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
239 * @return the identifier of the current state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
240 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
241 protected String getCurrentStateId() {
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
242 return currentStateId;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
243 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
244
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
245
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
246 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
247 * Sets the identifier of the current state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
248 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
249 * @param id the identifier of a state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
250 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
251 protected void setCurrentStateId(String id) {
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
252 currentStateId = id;
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
253 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
254
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
255
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
256 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
257 * Set the current state of this artifact. <b>NOTE</b>We don't store the
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
258 * State object itself - which is not necessary - but its identifier. So
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
259 * this method will just call the setCurrentStateId() method with the
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
260 * identifier of <i>state</i>.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
261 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
262 * @param state The new current state.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
263 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
264 protected void setCurrentState(State state) {
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
265 setCurrentStateId(state.getID());
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
266 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
267
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
268
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
269 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
270 * Returns the current state of the artifact.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
271 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
272 * @return the current State of the artifact.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
273 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
274 protected State getCurrentState(Object context) {
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
275 FLYSContext flysContext = getFlysContext(context);
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
276 StateEngine engine = (StateEngine) flysContext.get(
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
277 FLYSContext.STATE_ENGINE_KEY);
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
278
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
279 return engine.getState(getCurrentStateId());
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
280 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
281
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
282
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
283 /**
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
284 * Returns the vector of previous state identifiers.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
285 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
286 * @return the vector of previous state identifiers.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
287 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
288 protected Vector<String> getPreviousStateIds() {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
289 return previousStateIds;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
290 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
291
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
292
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
293 /**
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
294 * Adds a new StateData item to the data pool of this artifact.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
295 *
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
296 * @param name the name of the data object.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
297 * @param data the data object itself.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
298 */
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
299 protected void addData(String name, StateData data) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
300 this.data.put(name, data);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
301 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
302
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
303
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
304 /**
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
305 * This method returns a specific StateData object that is stored in the
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
306 * data pool of this artifact.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
307 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
308 * @param name The name of the data object.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
309 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
310 * @return the StateData object if existing, otherwise null.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
311 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
312 protected StateData getData(String name) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
313 return data.get(name);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
314 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
315
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
316
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
317 /**
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
318 * This method stores the data that is contained in the FEED document.
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
319 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
320 * @param feed The FEED document.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
321 * @param xpath The XPath that points to the data nodes.
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
322 */
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
323 public void saveData(Document feed, String xpath)
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
324 throws IllegalArgumentException
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
325 {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
326 if (feed == null || xpath == null || xpath.length() == 0) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
327 throw new IllegalArgumentException("feed.no.input.data");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
328 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
329
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
330 NodeList nodes = (NodeList) XMLUtils.xpath(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
331 feed,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
332 xpath,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
333 XPathConstants.NODESET,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
334 ArtifactNamespaceContext.INSTANCE);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
335
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
336 if (nodes == null || nodes.getLength() == 0) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
337 throw new IllegalArgumentException("feed.no.input.data");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
338 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
339
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
340 int count = nodes.getLength();
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
341 logger.debug("Try to save " + count + " data items.");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
342
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
343 for (int i = 0; i < count; i++) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
344 Node node = nodes.item(i);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
345
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
346 String name = XMLUtils.xpathString(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
347 node, "@art:name", ArtifactNamespaceContext.INSTANCE);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
348 String value = XMLUtils.xpathString(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
349 node, "@art:value", ArtifactNamespaceContext.INSTANCE);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
350
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
351 if (name != null && value != null) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
352 logger.debug("Save data item for '" + name + "' : " + value);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
353
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
354 // TODO ADD INPUT VALIDATION!
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
355 addData(name, new DefaultStateData(name, null, null, value));
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
356 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
357 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
358 }
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
359
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
360
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
361 /**
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
362 * This method fills a state object with the data that have been inserted to
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
363 * this artifact. This is necessary to use the isStateReachable() method,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
364 * because the Transitions need to know about the inserted data.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
365 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
366 * @param state The state that needs to be filled with data.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
367 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
368 * @return the filled state.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
369 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
370 protected State fillState(State state) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
371 Map<String, StateData> stateData = state.getData();
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
372
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
373 if (stateData == null) {
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
374 return state;
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
375 }
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
376
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
377 Set<String> keys = stateData.keySet();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
378
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
379 for (String key: keys) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
380 StateData tmp = getData(key);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
381
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
382 if (tmp != null) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
383 StateData data = stateData.get(key);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
384 data.setValue(tmp.getValue());
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
385 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
386 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
387
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
388 return state;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
389 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
390
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
391
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
392 /**
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
393 * Determines if the state with the identifier <i>stateId</i> is reachable
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
394 * from the current state. The determination itself takes place in the
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
395 * TransitionEngine.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
396 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
397 * @param stateId The identifier of a state.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
398 * @param context The context object.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
399 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
400 * @return true, if the state specified by <i>stateId</i> is reacahble,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
401 * otherwise false.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
402 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
403 protected boolean isStateReachable(String stateId, Object context) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
404 logger.debug("Determine if the state '" + stateId + "' is reachable.");
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
405
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
406 FLYSContext flysContext = getFlysContext(context);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
407
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
408 State currentState = fillState(getCurrentState(context));
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
409 StateEngine sEngine = (StateEngine) flysContext.get(
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
410 FLYSContext.STATE_ENGINE_KEY);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
411
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
412 TransitionEngine tEngine = (TransitionEngine) flysContext.get(
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
413 FLYSContext.TRANSITION_ENGINE_KEY);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
414
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
415 return tEngine.isStateReachable(stateId, currentState, sEngine);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
416 }
140
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
417
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
418
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
419 /**
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
420 * Determines if the state with the identifier <i>stateId</i> is a previous
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
421 * state of the current state.
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
422 *
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
423 * @param stateId The target state identifier.
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
424 * @param context The context object.
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
425 */
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
426 protected boolean isPreviousState(String stateId, Object context) {
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
427 logger.debug("Determine if the state '" + stateId + "' is old.");
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
428
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
429 Vector<String> prevs = getPreviousStateIds();
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
430 if (prevs.contains(stateId)) {
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
431 return true;
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
432 }
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
433
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
434 return false;
43f03f6047b9 Implemented the step-back part of the advance() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 123
diff changeset
435 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org