Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java @ 689:f8ac04b2dbd0 facets-slt
Added two more compute() methods to ComputeCallback to distinguish between different phases of the artifact.
flys-artifacts/branches/facets-slt@2129 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 16 Jun 2011 08:43:58 +0000 |
| parents | 06689035024c |
| children | 3481cd37e609 |
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| 688:dc3613c4daf6 | 689:f8ac04b2dbd0 |
|---|---|
| 49 import de.intevation.flys.artifacts.model.DischargeTables; | 49 import de.intevation.flys.artifacts.model.DischargeTables; |
| 50 import de.intevation.flys.artifacts.model.RiverFactory; | 50 import de.intevation.flys.artifacts.model.RiverFactory; |
| 51 import de.intevation.flys.artifacts.model.Segment; | 51 import de.intevation.flys.artifacts.model.Segment; |
| 52 | 52 |
| 53 import de.intevation.flys.artifacts.states.DefaultState; | 53 import de.intevation.flys.artifacts.states.DefaultState; |
| 54 import de.intevation.flys.artifacts.states.CalculationSelect; | |
| 54 import de.intevation.flys.artifacts.states.LocationDistanceSelect; | 55 import de.intevation.flys.artifacts.states.LocationDistanceSelect; |
| 55 | 56 |
| 56 | 57 |
| 57 /** | 58 /** |
| 58 * The defaul FLYS artifact. | 59 * The defaul FLYS artifact. |
| 192 Element result = creator.create("result"); | 193 Element result = creator.create("result"); |
| 193 doc.appendChild(result); | 194 doc.appendChild(result); |
| 194 | 195 |
| 195 try { | 196 try { |
| 196 saveData(target, XPATH_FEED_INPUT, context); | 197 saveData(target, XPATH_FEED_INPUT, context); |
| 198 | |
| 199 compute(context); | |
| 200 | |
| 197 return describe(target, context); | 201 return describe(target, context); |
| 198 } | 202 } |
| 199 catch (IllegalArgumentException iae) { | 203 catch (IllegalArgumentException iae) { |
| 200 // do not store state if validation fails. | 204 // do not store state if validation fails. |
| 201 context.afterCall(CallContext.NOTHING); | 205 context.afterCall(CallContext.NOTHING); |
| 254 logger.debug("Remove state id '" + prev + "'"); | 258 logger.debug("Remove state id '" + prev + "'"); |
| 255 prevs.remove(prev); | 259 prevs.remove(prev); |
| 256 } | 260 } |
| 257 | 261 |
| 258 setCurrentStateId(targetState); | 262 setCurrentStateId(targetState); |
| 263 | |
| 264 compute(context); | |
| 259 | 265 |
| 260 return describe(target, context); | 266 return describe(target, context); |
| 261 } | 267 } |
| 262 | 268 |
| 263 logger.warn("Advance: Cannot advance to '" + targetState + "'"); | 269 logger.warn("Advance: Cannot advance to '" + targetState + "'"); |
| 1036 | 1042 |
| 1037 return getCurrentStateId() + hash; | 1043 return getCurrentStateId() + hash; |
| 1038 } | 1044 } |
| 1039 | 1045 |
| 1040 | 1046 |
| 1047 /** | |
| 1048 * Dispatches the computation request to compute(CallContext context, String | |
| 1049 * hash) with the current hash value of the artifact which is provided by | |
| 1050 * hash(). | |
| 1051 * | |
| 1052 * @param context The CallContext. | |
| 1053 */ | |
| 1054 public Object compute(CallContext context) { | |
| 1055 return compute(context, hash()); | |
| 1056 } | |
| 1057 | |
| 1058 | |
| 1059 /** | |
| 1060 * Dispatches computation requests to the current state which needs to | |
| 1061 * implement a createComputeCallback(String hash, FLYSArtifact artifact) | |
| 1062 * method. | |
| 1063 * | |
| 1064 * @param context The CallContext. | |
| 1065 * @param hash The hash value which is used to fetch computed data from | |
| 1066 * cache. | |
| 1067 * | |
| 1068 * @return the computed data. | |
| 1069 */ | |
| 1070 public Object compute(CallContext context, String hash) { | |
| 1071 String calc = (String) getData(CalculationSelect.FIELD_MODE).getValue(); | |
| 1072 | |
| 1073 DefaultState current = (DefaultState) getCurrentState(context); | |
| 1074 | |
| 1075 ComputeCallback callback = current.createComputeCallback(hash(), this); | |
| 1076 | |
| 1077 if (callback == null) { | |
| 1078 logger.info("There is no data which needs to be computed."); | |
| 1079 return null; | |
| 1080 } | |
| 1081 | |
| 1082 return compute(hash, callback); | |
| 1083 } | |
| 1084 | |
| 1085 | |
| 1041 public Object compute(String key, ComputeCallback callback) { | 1086 public Object compute(String key, ComputeCallback callback) { |
| 1042 Cache cache = CacheFactory.getCache(COMPUTING_CACHE); | 1087 Cache cache = CacheFactory.getCache(COMPUTING_CACHE); |
| 1043 | 1088 |
| 1044 if (cache == null) { | 1089 if (cache == null) { |
| 1045 return callback.compute(facets); | 1090 return callback.compute(facets); |