Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/state/StateEngine.java @ 347:16ab243507e0
Let StateEngine compute compatibility matrix based on a list of states.
artifacts/trunk@3108 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Fri, 28 Oct 2011 10:08:35 +0000 |
| parents | 2ce31a9414ff |
| children | 5420b96dd0b3 |
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| 346:2d525562fae9 | 347:16ab243507e0 |
|---|---|
| 1 package de.intevation.artifactdatabase.state; | 1 package de.intevation.artifactdatabase.state; |
| 2 | 2 |
| 3 import java.util.ArrayList; | |
| 3 import java.util.HashMap; | 4 import java.util.HashMap; |
| 4 import java.util.List; | 5 import java.util.List; |
| 5 import java.util.Map; | 6 import java.util.Map; |
| 6 | 7 |
| 7 import org.apache.log4j.Logger; | 8 import org.apache.log4j.Logger; |
| 8 | 9 |
| 9 /** | 10 /** |
| 10 * The StateEngine stores all states for each Artifact. | 11 * The StateEngine stores all states and associated information about |
| 12 * outputs and facets for each Artifact. | |
| 11 * | 13 * |
| 12 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | 14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
| 13 */ | 15 */ |
| 14 public class StateEngine { | 16 public class StateEngine { |
| 15 | 17 |
| 91 | 93 |
| 92 | 94 |
| 93 /** | 95 /** |
| 94 * Returns the state list of an artifact specified by its name. | 96 * Returns the state list of an artifact specified by its name. |
| 95 * | 97 * |
| 96 * @param artifact The name of the artifact. | 98 * @param artifact The name of the artifact (e.g. "winfo"). |
| 97 * | 99 * |
| 98 * @return the list of states of this artifact or <i>null</i> if no states | 100 * @return the list of states of this artifact or <i>null</i> if no states |
| 99 * are existing for this <i>artifact</i>. | 101 * are existing for this <i>artifact</i>. |
| 100 */ | 102 */ |
| 101 public List<State> getStates(String artifact) { | 103 public List<State> getStates(String artifact) { |
| 102 return states.get(artifact); | 104 return states.get(artifact); |
| 103 } | 105 } |
| 106 | |
| 107 | |
| 108 /** | |
| 109 * Return mapping of output to facets for an artifact in its states. | |
| 110 */ | |
| 111 public Map<String, List<String>> getCompatibleFacets(List<String> aStates) { | |
| 112 Map<String, List<String>> compatibilityMatrix = | |
| 113 new HashMap<String, List<String>>(); | |
| 114 | |
| 115 // For all states that the artifact had seen, add outputs facets. | |
| 116 for (String stateId: aStates) { | |
| 117 | |
| 118 State state = allStates.get(stateId); | |
| 119 if (state == null) { | |
| 120 continue; | |
| 121 } | |
| 122 | |
| 123 for (Output output: state.getOutputs()) { | |
| 124 List<Facet> outFacets = output.getFacets(); | |
| 125 | |
| 126 List<String> oldFacets = compatibilityMatrix.get(output.getName()); | |
| 127 | |
| 128 if (oldFacets == null) { | |
| 129 oldFacets = new ArrayList<String>(); | |
| 130 } | |
| 131 | |
| 132 for (Facet facet: outFacets) { | |
| 133 oldFacets.add(facet.getName()); | |
| 134 } | |
| 135 | |
| 136 compatibilityMatrix.put(output.getName(), oldFacets); | |
| 137 } | |
| 138 } | |
| 139 return compatibilityMatrix; | |
| 140 } | |
| 104 } | 141 } |
| 105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 142 // vim:set ts=4 sw=4 et sta sts=4 fenc=utf8 : |