Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java @ 123:ebb1cb69d847

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
The operations feed() and advance() return the current description of the artifact now. flys-artifacts/trunk@1449 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Mar 2011 08:38:05 +0000
parents d3b8b0b1d010
children 43f03f6047b9
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) {
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
185 logger.info("FLYSArtifact.advance()");
ebb1cb69d847 The operations feed() and advance() return the current description of the artifact now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 122
diff changeset
186
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
187 Document doc = XMLUtils.newDocument();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
188
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
189 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
190 doc,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
191 ArtifactNamespaceContext.NAMESPACE_URI,
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
192 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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 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
195
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
196 String targetState = XMLUtils.xpathString(
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
197 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
198
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)) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
200 logger.debug("Advance: Step forward.");
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 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
209
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
210 // TODO IMPLEMENT STEP BACK!
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
211
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
212 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
213 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
214
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
215 doc.appendChild(result);
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
216
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
217 return doc;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
218 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
219
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
220
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
221 /**
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
222 * 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
223 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
224 * @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
225 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
226 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
227 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
228 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
229
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
230
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
231 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
232 * 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
233 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
234 * @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
235 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
236 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
237 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
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
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 /**
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
242 * 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
243 * 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
244 * 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
245 * 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
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 * @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
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 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
250 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
251 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
252
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 * 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
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 * @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
258 */
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
259 protected State getCurrentState(Object context) {
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
260 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
261 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
262 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
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 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
265 }
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 /**
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
269 * 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
270 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
271 * @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
272 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
273 protected Vector<String> getPreviousStateIds() {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
274 return previousStateIds;
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
275 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
276
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
277
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
278 /**
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
279 * 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
280 *
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
281 * @param name the name of the data object.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
282 * @param data the data object itself.
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
283 */
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
284 protected void addData(String name, StateData data) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
285 this.data.put(name, data);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
286 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
287
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
288
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
289 /**
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
290 * 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
291 * 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
292 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
293 * @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
294 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
295 * @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
296 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
297 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
298 return data.get(name);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
299 }
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
300
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
301
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
302 /**
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
303 * 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
304 *
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
305 * @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
306 * @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
307 */
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
308 public void saveData(Document feed, String xpath)
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
309 throws IllegalArgumentException
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
310 {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
311 if (feed == null || xpath == null || xpath.length() == 0) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
312 throw new IllegalArgumentException("feed.no.input.data");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
313 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
314
121
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
315 NodeList nodes = (NodeList) XMLUtils.xpath(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
316 feed,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
317 xpath,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
318 XPathConstants.NODESET,
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
319 ArtifactNamespaceContext.INSTANCE);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
320
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
321 if (nodes == null || nodes.getLength() == 0) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
322 throw new IllegalArgumentException("feed.no.input.data");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
323 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
324
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
325 int count = nodes.getLength();
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
326 logger.debug("Try to save " + count + " data items.");
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
327
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
328 for (int i = 0; i < count; i++) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
329 Node node = nodes.item(i);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
330
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
331 String name = XMLUtils.xpathString(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
332 node, "@art:name", ArtifactNamespaceContext.INSTANCE);
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
333 String value = XMLUtils.xpathString(
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
334 node, "@art:value", 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 (name != null && value != null) {
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
337 logger.debug("Save data item for '" + name + "' : " + value);
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 // TODO ADD INPUT VALIDATION!
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
340 addData(name, new DefaultStateData(name, null, null, value));
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
341 }
e0ded17a4846 Implemented the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 119
diff changeset
342 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
343 }
122
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
344
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
345
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
346 /**
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
347 * 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
348 * 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
349 * 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
350 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
351 * @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
352 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
353 * @return the filled state.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
354 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
355 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
356 Map<String, StateData> stateData = state.getData();
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
357 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
358
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
359 for (String key: keys) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
360 StateData tmp = getData(key);
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 if (tmp != null) {
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
363 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
364 data.setValue(tmp.getValue());
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 }
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 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
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
371
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
372 /**
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
373 * 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
374 * 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
375 * TransitionEngine.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
376 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
377 * @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
378 * @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
379 *
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
380 * @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
381 * otherwise false.
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
382 */
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
383 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
384 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
385
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
386 FLYSContext flysContext = getFlysContext(context);
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 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
389 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
390 FLYSContext.STATE_ENGINE_KEY);
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 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
393 FLYSContext.TRANSITION_ENGINE_KEY);
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
394
d3b8b0b1d010 Implemented the step-forward part of the advance operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 121
diff changeset
395 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
396 }
119
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
397 }
84c0b151203e Added a FLYSArtifact that serves as the default artifact for the FLYS application.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
398 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org