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beginning infrastructure for NIHVIVO-590, migrating Date/Time representation

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sjm222 2010-11-13 00:00:01 +00:00
parent 7764d2e4d4
commit 965f4c399b
2 changed files with 66 additions and 0 deletions
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63
webapp/src/edu/cornell/mannlib/vitro/webapp/ontology/update/DateTimeMigration.java Normal file
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@ -0,0 +1,63 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.ontology.update;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.shared.Lock;
/**
* Performs knowledge base updates to the abox to align with the new
* 1.2 Date/Time representation.
*
*/
public class DateTimeMigration {
private OntModel aboxModel;
private OntologyChangeLogger logger;
private OntologyChangeRecord record;
/**
* Constructor
*
* @param aboxModel - the knowledge base to be updated
* @param logger - for writing to the change log
* and the error log.
* @param record - for writing to the additions model
* and the retractions model.
*/
public DateTimeMigration(OntModel aboxModel,OntologyChangeLogger logger, OntologyChangeRecord record) {
this.aboxModel = aboxModel;
this.logger = logger;
this.record = record;
}
/**
*
* Update a knowledge base to align with changes in the Date/Time class
* and property definitions in the transition from version 1.1 to 1.2.
*
*/
public void updateABox() {
aboxModel.enterCriticalSection(Lock.WRITE);
try {
Model additions = ModelFactory.createDefaultModel();
Model retractions = ModelFactory.createDefaultModel();
aboxModel.remove(retractions);
record.recordRetractions(retractions);
aboxModel.add(additions);
record.recordAdditions(additions);
} finally {
aboxModel.leaveCriticalSection();
}
}
}

3
webapp/src/edu/cornell/mannlib/vitro/webapp/ontology/update/OntologyUpdater.java
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@ -80,6 +80,9 @@ public class OntologyUpdater {
private void performUpdate() throws IOException {
DateTimeMigration dtMigration = new DateTimeMigration(settings.getOntModelSelector().getABoxModel(), logger, record);
dtMigration.updateABox();
performSparqlConstructAdditions(settings.getSparqlConstructAdditionsDir(), settings.getOntModelSelector().getABoxModel());
performSparqlConstructRetractions(settings.getSparqlConstructDeletionsDir(), settings.getOntModelSelector().getABoxModel());