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Closing QueryExecution in some code. Adding EditN3GeneratorTest.

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This commit is contained in:
briancaruso 2011-06-30 16:30:33 +00:00
parent 646d3ed00c
commit 2751ba798b
7 changed files with 126 additions and 37 deletions
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72
webapp/src/edu/cornell/mannlib/vitro/webapp/controller/OntologyController.java
View file

@ -18,6 +18,7 @@ import org.apache.commons.logging.LogFactory;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntResource;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.rdf.model.Model;
@ -130,38 +131,49 @@ public class OntologyController extends VitroHttpServlet{
ontModel =(OntModel)session.getAttribute("jenaOntModel");
if( ontModel == null)
ontModel = (OntModel)getServletContext().getAttribute("jenaOntModel");
boolean found = false;
Model newModel = ModelFactory.createDefaultModel();
ontModel.enterCriticalSection(Lock.READ);
OntResource ontResource = ontModel.getOntResource(url);
if(ontResource == null)
ontResource = ontModel.getOntResource(url + "/");
Model newModel = ModelFactory.createDefaultModel();
if(ontResource != null){
Resource resource = (Resource)ontResource;
try{
String queryString = "Describe <" + resource.getURI() + ">";
newModel = QueryExecutionFactory.create(QueryFactory.create(queryString), ontModel).execDescribe();
}
finally{
ontModel.leaveCriticalSection();
}
}
else{
ontModel.leaveCriticalSection();
doNotFound(vreq,res);
return;
}
try{
OntResource ontResource = ontModel.getOntResource(url);
if(ontResource == null)
ontResource = ontModel.getOntResource(url + "/");
if(ontResource != null){
found = true;
Resource resource = (Resource)ontResource;
QueryExecution qexec = null;
try{
String queryString = "Describe <" + resource.getURI() + ">";
qexec = QueryExecutionFactory.create(QueryFactory.create(queryString), ontModel);
newModel = qexec.execDescribe();
} finally{
qexec.close();
}
} else {
found = false;
}
}finally{
ontModel.leaveCriticalSection();
}
if( ! found ){
//respond to HTTP outside of critical section
doNotFound(req,res);
return;
} else {
res.setContentType(rdfFormat.getMediaType());
String format = "";
if ( RDFXML_MIMETYPE.equals(rdfFormat.getMediaType()))
format = "RDF/XML";
else if( N3_MIMETYPE.equals(rdfFormat.getMediaType()))
format = "N3";
else if ( TTL_MIMETYPE.equals(rdfFormat.getMediaType()))
format ="TTL";
res.setContentType(rdfFormat.getMediaType());
String format = "";
if ( RDFXML_MIMETYPE.equals(rdfFormat.getMediaType()))
format = "RDF/XML";
else if( N3_MIMETYPE.equals(rdfFormat.getMediaType()))
format = "N3";
else if ( TTL_MIMETYPE.equals(rdfFormat.getMediaType()))
format ="TTL";
newModel.write( res.getOutputStream(), format );
newModel.write( res.getOutputStream(), format );
return;
}
}
private static Pattern URI_PATTERN = Pattern.compile("^/ontology/([^/]*)/([^/]*)$");

8
webapp/src/edu/cornell/mannlib/vitro/webapp/controller/edit/RefactorOperationController.java
View file

@ -22,6 +22,7 @@ import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntProperty;
import com.hp.hpl.jena.ontology.OntResource;
import com.hp.hpl.jena.query.Dataset;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.query.QuerySolution;
@ -217,9 +218,11 @@ public class RefactorOperationController extends BaseEditController {
queryStr += " union { GRAPH ?graph { ?subj ?prop <" + oldURIStr + ">}}}";
Dataset dataset = request.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
QueryExecution qexec = null;
dataset.getLock().enterCriticalSection(Lock.READ);
try {
ResultSet resultSet = QueryExecutionFactory.create(QueryFactory.create(queryStr), dataset).execSelect();
qexec = QueryExecutionFactory.create(QueryFactory.create(queryStr), dataset);
ResultSet resultSet = qexec.execSelect();
while (resultSet.hasNext()) {
QuerySolution qs = resultSet.next();
@ -245,6 +248,7 @@ public class RefactorOperationController extends BaseEditController {
renameResourceInModel(model, userURI, oldURIStr, newURIStr, doNotify);
}
} finally {
if(qexec != null) qexec.close();
dataset.getLock().leaveCriticalSection();
}

5
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyStatementDaoSDB.java
View file

@ -68,9 +68,12 @@ public class DataPropertyStatementDaoSDB extends DataPropertyStatementDaoJena
DatasetWrapper w = dwf.getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
QueryExecution qexec = null;
try {
results = QueryExecutionFactory.create(QueryFactory.create(query), dataset).execConstruct();
qexec = QueryExecutionFactory.create(QueryFactory.create(query), dataset);
results = qexec.execConstruct();
} finally {
if(qexec!=null) qexec.close();
dataset.getLock().leaveCriticalSection();
w.close();
}

13
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/IndividualSDB.java
View file

@ -18,6 +18,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.joda.time.DateTime;
import com.clarkparsia.pellet.sparqldl.engine.QueryExec;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.ontology.OntModelSpec;
import com.hp.hpl.jena.ontology.OntResource;
@ -509,12 +510,15 @@ public class IndividualSDB extends IndividualImpl implements Individual {
DatasetWrapper w = getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
try{
_hasThumb = QueryExecutionFactory.create(QueryFactory.create(ask), dataset).execAsk();
QueryExecution qexec = null;
try{
qexec = QueryExecutionFactory.create(QueryFactory.create(ask), dataset);
_hasThumb = qexec.execAsk();
}catch(Exception ex){
_hasThumb = false;
log.error(ex,ex);
}finally{
if(qexec!=null) qexec.close();
dataset.getLock().leaveCriticalSection();
w.close();
}
@ -670,11 +674,13 @@ public class IndividualSDB extends IndividualImpl implements Individual {
DatasetWrapper w = getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
QueryExecution qexec = null;
try {
String valuesOfProperty =
"CONSTRUCT{ <" + this.individualURI + "> <" + propertyURI + "> ?object }" +
"WHERE{ <" + this.individualURI + "> <" + propertyURI + "> ?object } \n";
tempModel = QueryExecutionFactory.create(QueryFactory.create(valuesOfProperty), dataset).execConstruct();
qexec = QueryExecutionFactory.create(QueryFactory.create(valuesOfProperty), dataset);
tempModel = qexec.execConstruct();
ontModel.add(tempModel.listStatements());
Resource ontRes = ontModel.getResource(this.individualURI);
StmtIterator sit = ontRes.listProperties(ontRes.getModel().getProperty(propertyURI));
@ -698,6 +704,7 @@ public class IndividualSDB extends IndividualImpl implements Individual {
}
}
} finally {
if(qexec!=null) qexec.close();
tempModel.close();
ontModel.close();
dataset.getLock().leaveCriticalSection();

18
webapp/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/processEdit/EditN3Generator.java
View file

@ -40,6 +40,15 @@ public class EditN3Generator {
return Collections.EMPTY_LIST;
}
/**
* This is the method to use to substitute in URIs into variables of target N3 strings.
* This takes into account multiple values that would be returned from a select list.
* subInUris should no longer be used.
*/
public static List<String> subInMultiUris(Map<String,List<String>> varsToVals, List<String> n3targets){
return null;
}
public static List<String> subInUris(Map<String,String> varsToVals, List<String> targets){
if( varsToVals == null || varsToVals.isEmpty() ) return targets;
ArrayList<String> outv = new ArrayList<String>();
@ -80,6 +89,15 @@ public class EditN3Generator {
return outv;
}
/**
* This is the method to use to substitute in Literals into variables of target N3 strings.
* This takes into account multiple values that would be returned from a select list.
* subInUris should no longer be used.
*/
public static List<String> subInMultiLiterals(Map<String,List<String>> varsToVals, List<String> n3targets){
return null;
}
public List<String> subInLiterals(Map<String, Literal> varsToVals, List<String> targets){
if( varsToVals == null || varsToVals.isEmpty()) return targets;

6
webapp/src/edu/cornell/mannlib/vitro/webapp/search/beans/IndividualProhibitedFromSearchImpl.java
View file

@ -9,6 +9,7 @@ import org.apache.commons.logging.LogFactory;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.query.Query;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.QueryFactory;
import com.hp.hpl.jena.shared.Lock;
@ -37,11 +38,14 @@ public class IndividualProhibitedFromSearchImpl implements IndividualProhibitedF
return true;
boolean prohibited = false;
QueryExecution qexec = null;
try {
fullModel.getLock().enterCriticalSection(Lock.READ);
Query query = makeAskQueryForUri( uri );
prohibited = QueryExecutionFactory.create( query, fullModel).execAsk();
qexec = QueryExecutionFactory.create( query, fullModel);
prohibited = qexec.execAsk();
} finally {
if( qexec != null ) qexec.close();
fullModel.getLock().leaveCriticalSection();
}
if( prohibited )