Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/state/State.java @ 378:71ff234713a6 2.6.1 pre2.7-2012-03-16

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Pass context when asking facets for keys to write on blackboard. artifacts/trunk@4032 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 10 Feb 2012 12:33:57 +0000
parents 81ae7948bff0
children fd32dc33a24c
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 import de.intevation.artifacts.CallMeta;
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21
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22 import de.intevation.artifactdatabase.data.StateData;
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23
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24
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25 /**
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26 * This interface describes the basic methods a concrete state class needs to
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27 * implement.
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28 *
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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30 */
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31 public interface State extends Serializable {
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32
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33 /**
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34 * Return the id of the state.
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35 *
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36 * @return the id.
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37 */
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38 public String getID();
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39
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40
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41 /**
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42 * Return the description of the state.
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43 *
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44 * @return the description of the state.
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45 */
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46 public String getDescription();
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48
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49 /**
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50 * Returns the data provided by this state.
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51 *
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52 * @return the data stored in this state.
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53 */
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54 public Map<String, StateData> getData();
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55
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57 /**
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58 * Returns a single desired StateData object based on its name.
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59 *
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60 * @param name The name of the desired StateData object.
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61 *
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62 * @return the desired StateData object.
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63 */
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64 public StateData getData(String name);
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65
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66
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67 /**
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68 * This method should be used to add a new {@link StateData} object to the
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69 * data pool of the state.
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70 *
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71 * @param name The name of the data object.
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72 * @param data The data object.
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73 */
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74 public void addData(String name, StateData data);
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75
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77 /**
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78 * Returns the list of possible outputs of this state. The list is empty
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79 * if no output is available for this state.
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80 *
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81 * @return a list of possible outputs of this state.
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82 */
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83 public List<Output> getOutputs();
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84
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85
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86 /**
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87 * Initialize the state based on the state node in the configuration.
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88 *
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89 * @param config The state configuration node.
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90 */
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91 public void setup(Node config);
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92
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93
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94 /**
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95 * Initializes the internal state of this State based on an other State.
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96 *
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97 * @param orig The owner Artifact or the original State.
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98 * @param owner The owner Artifact of this State.
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99 * @param context The context object.
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100 * @param callMeta The CallMeta of the current call.
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101 */
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102 public void initialize(
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103 Artifact orig,
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104 Artifact owner,
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105 Object context,
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106 CallMeta callMeta);
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109 /**
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110 * This method is called when an artifacts retrieves a describe request. It
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111 * creates the user interface description of the current state.
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112 *
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113 * @param artifact A reference to the artifact this state belongs to.
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114 * @param document Describe doucment.
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115 * @param rootNode Parent node for all new elements.
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116 * @param context The CallContext.
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117 * @param uuid The uuid of an artifact.
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118 */
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119 public Element describe(
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120 Artifact artifact,
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121 Document document,
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122 Node rootNode,
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123 CallContext context,
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124 String uuid
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125 );
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126
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127
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128 /**
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129 * This method should be called by an Artifact that removes this State
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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130 * (current State and previous States). E.g. this might be interesting to
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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131 * remove generated files or stuff like that.
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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132 *
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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133 * @param artifact A parent Artifact.
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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134 * @param context The CallContext.
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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135 */
8a3ddd374dd1 Enhanced the State interface with an endOfLife() method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 256
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136 public void endOfLife(Artifact artifact, Object context);
104
26bfff409dd3 Added interfaces and engines used in concrete artifact packages.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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137 }
26bfff409dd3 Added interfaces and engines used in concrete artifact packages.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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138 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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