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VIVO-909 Improve documentation of the TripleStoreQuirks

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This commit is contained in:
Jim Blake 2015-01-05 18:54:36 -05:00
parent 7639bf43e3
commit 6513d34d86
2 changed files with 20 additions and 15 deletions
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23
webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java
View file

@ -43,6 +43,7 @@ import edu.cornell.mannlib.vitro.webapp.rdfservice.ModelChange;
import edu.cornell.mannlib.vitro.webapp.rdfservice.RDFService;
import edu.cornell.mannlib.vitro.webapp.rdfservice.RDFServiceException;
import edu.cornell.mannlib.vitro.webapp.rdfservice.impl.RDFServiceImpl;
import edu.cornell.mannlib.vitro.webapp.utils.logging.ToString;
public abstract class RDFServiceJena extends RDFServiceImpl implements RDFService {
@ -106,8 +107,8 @@ public abstract class RDFServiceJena extends RDFServiceImpl implements RDFServic
dumpOperation(model, modelChange);
}
if (modelChange.getOperation() == ModelChange.Operation.ADD) {
model.read(modelChange.getSerializedModel(), null,
getSerializationFormatString(modelChange.getSerializationFormat()));
Model addition = parseModel(modelChange);
model.add(addition);
} else if (modelChange.getOperation() == ModelChange.Operation.REMOVE) {
Model removal = parseModel(modelChange);
model.remove(removal);
@ -165,17 +166,13 @@ public abstract class RDFServiceJena extends RDFServiceImpl implements RDFServic
String changeString = new String(changeBytes).replace('\n', ' ');
String graphUri = modelChange.getGraphURI();
int delimHere = Math.max(graphUri.lastIndexOf('#'),
graphUri.lastIndexOf('/'));
String graphLocalName = graphUri.substring(delimHere + 1);
String modelClassName = model.getClass().getSimpleName();
log.debug(String
.format(">>>>OPERATION: %3.3s %03dpunc, name='%s', class=%s, start=%.200s",
op, puncCount, graphLocalName, modelClassName,
changeString));
log.debug(String.format(
">>>>OPERATION: %3.3s %03dpunc, format=%s, graphUri='%s'\n"
+ " start=%.200s\n" + " model=%s",
modelChange.getOperation(), puncCount,
modelChange.getSerializationFormat(),
modelChange.getGraphURI(), changeString,
ToString.modelToString(model)));
}
private void removeBlankNodesWithSparqlUpdate(Dataset dataset, Model model, String graphURI) {

12
webapp/src/edu/cornell/mannlib/vitro/webapp/triplesource/impl/DefaultTripleStoreQuirks.java
View file

@ -3,6 +3,7 @@
package edu.cornell.mannlib.vitro.webapp.triplesource.impl;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import edu.cornell.mannlib.vitro.webapp.modules.tripleSource.TripleStoreQuirks;
@ -12,8 +13,15 @@ import edu.cornell.mannlib.vitro.webapp.modules.tripleSource.TripleStoreQuirks;
public class DefaultTripleStoreQuirks implements TripleStoreQuirks {
@Override
public boolean hasFileGraphChanged(Model fromFile, Model previous, String graphURI) {
return !fromFile.isIsomorphicWith(previous);
public boolean hasFileGraphChanged(Model fromFile, Model previous,
String graphURI) {
/**
* The test for isomorphism involves a large number of ASK queries. It
* appears to be faster to read the previous graph data into memory than
* to run those queries against the RDFService.
*/
return !fromFile.isIsomorphicWith(ModelFactory.createDefaultModel()
.add(previous));
}
}