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prepatory work for switching into asynchronous reasoning mode when processing a tbox update.

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This commit is contained in:
stellamit 2011-11-03 18:37:25 +00:00
parent 5559ba5fed
commit a8140fcde7
2 changed files with 31 additions and 21 deletions
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36
webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/SimpleReasoner.java
View file

@ -1373,7 +1373,7 @@ public class SimpleReasoner extends StatementListener {
log.info("ABox inference model updated with mostSpecificType annotations");
}
public boolean isABoxReasoningAsynchronous() {
public boolean isABoxReasoningAsynchronous() {
if (batchMode1 || batchMode2) {
return true;
} else {
@ -1381,6 +1381,27 @@ public class SimpleReasoner extends StatementListener {
}
}
protected void startBatchMode() {
if (batchMode1 || batchMode2) {
return;
} else {
batchMode1 = true;
batchMode2 = false;
aBoxDeltaModeler1.getRetractions().removeAll();
log.info("started processing retractions in batch mode");
}
}
protected void endBatchMode() {
if (!batchMode1 && !batchMode2) {
log.warn("SimpleReasoner received an end batch mode request when not currently in batch mode. No action was taken");
return;
}
new Thread(new DeltaComputer(),"DeltaComputer").start();
}
@Override
public synchronized void notifyEvent(Model model, Object event) {
@ -1388,19 +1409,10 @@ public class SimpleReasoner extends StatementListener {
if (((BulkUpdateEvent) event).getBegin()) {
log.info("received BulkUpdateEvent(begin)");
if (batchMode1 || batchMode2) {
log.info("received a BulkUpdateEvent(begin) while already in batch update mode; this event will be ignored (and processing in batch mode will continue until there are no pending updates)");
return;
} else {
batchMode1 = true;
batchMode2 = false;
aBoxDeltaModeler1.getRetractions().removeAll();
log.info("started processing retractions in batch mode");
}
startBatchMode();
} else {
log.info("received BulkUpdateEvent(end)");
new Thread(new DeltaComputer(),"DeltaComputer").start();
endBatchMode();
}
}
}

16
webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/support/SimpleReasonerTBoxListener.java → webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/SimpleReasonerTBoxListener.java
View file

@ -1,15 +1,14 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.reasoner.support;
package edu.cornell.mannlib.vitro.webapp.reasoner;
import com.hp.hpl.jena.rdf.listeners.StatementListener;
import com.hp.hpl.jena.rdf.model.Statement;
import edu.cornell.mannlib.vitro.webapp.reasoner.SimpleReasoner;
/**
* Route notification of changes to TBox to the incremental ABox reasoner.
* The incremental ABox reasoner needs to handle only subclass, superclass
* The incremental ABox reasoner handles only subclass, superclass
* and equivalent class axioms.
*
*/
@ -18,22 +17,21 @@ public class SimpleReasonerTBoxListener extends StatementListener {
private SimpleReasoner simpleReasoner = null;
public SimpleReasonerTBoxListener(SimpleReasoner simpleReasoner) {
this.simpleReasoner = simpleReasoner;
}
@Override
public void addedStatement(Statement stmt) {
//simpleReasoner.startBatchMode();
simpleReasoner.addedTBoxStatement(stmt);
//simpleReasoner.endBatchMode();
}
@Override
public void removedStatement(Statement stmt) {
//simpleReasoner.startBatchMode();
simpleReasoner.removedTBoxStatement(stmt);
//simpleReasoner.endBatchMode();
}
}
}