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VIVO-869 A full re-inference invokes a full re-index.

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IndexingChangeListener is also modified to listen for the beginning of a re-index, and discard any changes it has accumulated.
This commit is contained in:
Jim Blake 2015-02-06 15:51:29 -05:00
parent d25176298d
commit b213718a72
2 changed files with 14 additions and 2 deletions
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1
webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/ABoxRecomputer.java
View file

@ -108,6 +108,7 @@ public class ABoxRecomputer {
recomputeABox();
} finally {
if (searchIndexer != null) {
searchIndexer.rebuildIndex();
searchIndexer.unpause();
}
synchronized (lock1) {

15
webapp/src/edu/cornell/mannlib/vitro/webapp/searchindex/IndexingChangeListener.java
View file

@ -3,6 +3,7 @@
package edu.cornell.mannlib.vitro.webapp.searchindex;
import static edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer.Event.Type.PAUSE;
import static edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer.Event.Type.START_REBUILD;
import static edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer.Event.Type.UNPAUSE;
import java.io.ByteArrayInputStream;
@ -24,6 +25,7 @@ import com.hp.hpl.jena.rdf.model.StmtIterator;
import edu.cornell.mannlib.vitro.webapp.dao.jena.event.EditEvent;
import edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer;
import edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer.Event;
import edu.cornell.mannlib.vitro.webapp.modules.searchIndexer.SearchIndexer.Event.Type;
import edu.cornell.mannlib.vitro.webapp.rdfservice.ChangeListener;
import edu.cornell.mannlib.vitro.webapp.utils.threads.VitroBackgroundThread;
@ -34,6 +36,9 @@ import edu.cornell.mannlib.vitro.webapp.utils.threads.VitroBackgroundThread;
*
* When the SearchIndexer pauses, stop sending changes until the SearchIndexer
* unpauses.
*
* If the SearchIndexer begins a rebuild, discard any changes that we had
* accumulated. They will be accomplished by the rebuild.
*/
public class IndexingChangeListener implements ChangeListener,
SearchIndexer.Listener {
@ -51,7 +56,7 @@ public class IndexingChangeListener implements ChangeListener,
this.searchIndexer = searchIndexer;
this.ticker = new Ticker();
this.changes = new ArrayList<>();
searchIndexer.addListener(this);
}
@ -68,7 +73,9 @@ public class IndexingChangeListener implements ChangeListener,
paused = true;
} else if (event.getType() == UNPAUSE) {
paused = false;
respondToTicker();
ticker.start();
} else if (event.getType() == START_REBUILD) {
discardChanges();
}
}
@ -78,6 +85,10 @@ public class IndexingChangeListener implements ChangeListener,
changes.clear();
}
}
private synchronized void discardChanges() {
changes.clear();
}
public void shutdown() {
ticker.shutdown();