Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 1062:58b4a07db856
Cach improvement: remove the cached elements of each visited state that is visited while stepping back to a previous state.
gnv-artifacts/trunk@1147 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 02 Jun 2010 09:52:39 +0000 |
| parents | 13bea93a070a |
| children | f953c9a559d8 |
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| 1061:13bea93a070a | 1062:58b4a07db856 |
|---|---|
| 189 XMLUtils.newDocument()); | 189 XMLUtils.newDocument()); |
| 190 } | 190 } |
| 191 } | 191 } |
| 192 | 192 |
| 193 // step backward | 193 // step backward |
| 194 else if((next = getPreviousState(current, targetState)) != null) { | 194 else if((next = getPreviousState(current, targetState, context)) |
| 195 != null) | |
| 196 { | |
| 195 | 197 |
| 196 if (current != null) { | 198 if (current != null) { |
| 197 current.endOfLife(context.globalContext()); | 199 current.endOfLife(context.globalContext()); |
| 198 } | 200 } |
| 199 | 201 |
| 290 | 292 |
| 291 | 293 |
| 292 /** | 294 /** |
| 293 * Step back to the previous state specified by <code>name</code>. | 295 * Step back to the previous state specified by <code>name</code>. |
| 294 */ | 296 */ |
| 295 protected State getPreviousState(State current, String name) { | 297 protected State getPreviousState( |
| 298 State current, String name, CallContext context) | |
| 299 { | |
| 296 if (current == null) { | 300 if (current == null) { |
| 297 return null; | 301 return null; |
| 298 } | 302 } |
| 299 | 303 |
| 300 if (current.getID().equals(name)) { | 304 if (current.getID().equals(name)) { |
| 301 return current; | 305 return current; |
| 302 } | 306 } |
| 303 else { | 307 else { |
| 304 return getPreviousState(current.getParent(), name); | 308 current.endOfLife(context); |
| 309 return getPreviousState(current.getParent(), name, context); | |
| 305 } | 310 } |
| 306 } | 311 } |
| 307 | 312 |
| 308 | 313 |
| 309 private boolean isStateCurrentlyReachable(String stateid){ | 314 private boolean isStateCurrentlyReachable(String stateid){ |