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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/state/State.java @ 256:55d08706ccf2

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Added a getData(String) method to a State to get just a single StateData object. artifacts/trunk@1757 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 28 Apr 2011 10:27:27 +0000
parents 3d14fe6e05f7
children 8a3ddd374dd1
rev   line source
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8 package de.intevation.artifactdatabase.state;
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9
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10 import java.io.Serializable;
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11 import java.util.List;
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12 import java.util.Map;
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13
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14 import org.w3c.dom.Document;
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15 import org.w3c.dom.Element;
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16 import org.w3c.dom.Node;
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17
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18 import de.intevation.artifacts.Artifact;
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19 import de.intevation.artifacts.CallContext;
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20
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21 import de.intevation.artifactdatabase.data.StateData;
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22
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23
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24 /**
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25 * This interface describes the basic methods a concrete state class needs to
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26 * implement.
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27 *
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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29 */
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30 public interface State extends Serializable {
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31
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32 /**
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33 * Return the id of the state.
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34 *
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35 * @return the id.
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36 */
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37 public String getID();
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38
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39
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40 /**
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41 * Return the description of the state.
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42 *
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43 * @return the description of the state.
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44 */
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45 public String getDescription();
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46
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47
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48 /**
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49 * Returns the data provided by this state.
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50 *
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51 * @return the data stored in this state.
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52 */
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53 public Map<String, StateData> getData();
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54
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55
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56 /**
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57 * Returns a single desired StateData object based on its name.
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58 *
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59 * @param name The name of the desired StateData object.
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60 *
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61 * @return the desired StateData object.
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62 */
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63 public StateData getData(String name);
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64
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65
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66 /**
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67 * This method should be used to add a new {@link StateData} object to the
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68 * data pool of the state.
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69 *
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70 * @param name The name of the data object.
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71 * @param data The data object.
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72 */
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73 public void addData(String name, StateData data);
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74
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75
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76 /**
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77 * Returns the list of possible outputs of this state. The list is empty
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78 * if no output is available for this state.
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79 *
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80 * @return a list of possible outputs of this state.
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81 */
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82 public List<Output> getOutputs();
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83
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84
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85 /**
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86 * Initialize the state based on the state node in the configuration.
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87 *
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88 * @param config The state configuration node.
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89 */
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90 public void setup(Node config);
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91
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92
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93 /**
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94 * This method is called when an artifacts retrieves a describe request. It
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95 * creates the user interface description of the current state.
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96 *
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97 * @param artifact A reference to the artifact this state belongs to.
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98 * @param document Describe doucment.
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99 * @param rootNode Parent node for all new elements.
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100 * @param context The CallContext.
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101 * @param uuid The uuid of an artifact.
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102 */
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103 public Element describe(
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104 Artifact artifact,
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105 Document document,
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106 Node rootNode,
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107 CallContext context,
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108 String uuid
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109 );
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110 }
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111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org