annotate artifact-database/src/main/java/de/intevation/artifactdatabase/AbstractCallContext.java @ 313:ddc35c950e97

Backend: Handle forgotten store/create event source. artifacts/trunk@2440 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 01 Aug 2011 15:43:44 +0000
parents a8a06bbe306c
children 33d7a6da1a05
rev   line source
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1 /*
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2 * Copyright (c) 2010, 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;
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9
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10 import java.util.HashMap;
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11
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12 import de.intevation.artifacts.ArtifactDatabase;
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13 import de.intevation.artifacts.CallContext;
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14 import de.intevation.artifacts.CallMeta;
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17 /**
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18 * Abstract class that implements some basic methods of a CallContext.
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19 *
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20 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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22 */
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23 public abstract class AbstractCallContext implements CallContext {
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24
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25 /**
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26 * The ArtifactDatabase instance.
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27 */
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28 protected ArtifactDatabaseImpl database;
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29
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30 /**
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31 * The action to be performed after the artifacts or collections calls.
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32 */
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33 protected int action;
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34
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35 /**
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36 * The meta information of the concrete call (preferred languages et. al.)
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37 */
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38 protected CallMeta callMeta;
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39
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40 /**
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41 * Map to act like a clipboard when nesting calls like a proxy artifact.
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42 */
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43 protected HashMap customValues;
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46 /**
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47 * The default constructor of this abstract CallContext.
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48 *
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49 * @param action The action.
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50 * @param callMeta The CallMeta object.
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51 * @param context The global context.
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52 */
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53 public AbstractCallContext(
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54 ArtifactDatabaseImpl artifactDatabase,
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55 int action,
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56 CallMeta callMeta
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57 ) {
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58 this.database = artifactDatabase;
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59 this.action = action;
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60 this.callMeta = callMeta;
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61
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62 database.initCallContext(this);
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63 }
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64
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65
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66 public void postCall() {
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67 database.closeCallContext(this);
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68 }
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70 public abstract void afterCall(int action);
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71
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72 public abstract Long getTimeToLive();
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73
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74 public abstract void afterBackground(int action);
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77 public Object globalContext() {
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78 return database.context;
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79 }
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80
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82 public ArtifactDatabase getDatabase() {
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83 return database;
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84 }
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85
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87 public CallMeta getMeta() {
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88 return callMeta;
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89 }
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90
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91
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92 public Object getContextValue(Object key) {
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93 return customValues != null
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94 ? customValues.get(key)
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95 : null;
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96 }
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97
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98 public Object putContextValue(Object key, Object value) {
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99 if (customValues == null) {
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100 customValues = new HashMap();
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101 }
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102 return customValues.put(key, value);
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103 }
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104 }
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105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org