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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/state/FacetActivity.java @ 415:d4a846ee35b8

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Implement ArtifactDatabase findUser method artifacts/trunk@5262 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Fri, 24 Aug 2012 14:08:31 +0000
parents e1738650bfca
children 15179c77aa1d
rev   line source
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bd76529d612b FacetActivity: Added interface and registry to decide if a facet should initially active or not.
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1 package de.intevation.artifactdatabase.state;
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2
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3 import de.intevation.artifacts.Artifact;
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4
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5 import java.util.ArrayList;
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6 import java.util.HashMap;
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7 import java.util.List;
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8 import java.util.Map;
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9
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10 public interface FacetActivity
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11 {
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12 public static final FacetActivity ACTIVE = new FacetActivity() {
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13 @Override
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14 public Boolean isInitialActive(
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15 Artifact artifact,
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16 Facet facet,
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17 String output
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18 ) {
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19 return Boolean.TRUE;
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20 }
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21 };
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22
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23 public static final FacetActivity INACTIVE = new FacetActivity() {
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24 @Override
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25 public Boolean isInitialActive(
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26 Artifact artifact,
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27 Facet facet,
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28 String output
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29 ) {
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30 return Boolean.FALSE;
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31 }
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32 };
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33
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34 Boolean isInitialActive(Artifact artifact, Facet facet, String output);
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35
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36 public static final class Registry {
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37
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38 private static final Registry INSTANCE = new Registry();
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39
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40 private Map<String, List<FacetActivity>> activities;
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41
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42 private Registry() {
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43 activities = new HashMap<String, List<FacetActivity>>();
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44 }
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45
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46 public static Registry getInstance() {
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47 return INSTANCE;
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48 }
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49
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50 public synchronized boolean isInitialActive(
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51 String key,
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52 Artifact artifact,
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53 Facet facet,
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54 String output
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55 ) {
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56 List<FacetActivity> activityList = activities.get(key);
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57 if (activityList == null) {
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58 return true;
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59 }
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60 for (FacetActivity activity: activityList) {
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61 Boolean isActive =
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62 activity.isInitialActive(artifact, facet, output);
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63 if (isActive != null) {
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64 return isActive;
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65 }
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66 }
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67 return true;
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68 }
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69
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70 public synchronized void register(String key, FacetActivity activity) {
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71 List<FacetActivity> activityList = activities.get(key);
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72 if (activityList == null) {
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73 activityList = new ArrayList<FacetActivity>(3);
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74 activities.put(key, activityList);
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75 }
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76 activityList.add(activity);
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77 }
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78 }
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79 }
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80 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org