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removing graph vars from getSearchBoost() to improve performance of search indexing with Sesame endpoint

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This commit is contained in:
brianjlowe 2012-06-26 14:55:06 +00:00
parent 5981f30047
commit b23e77fe23
1 changed files with 9 additions and 35 deletions
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44
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/IndividualSDB.java
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@ -291,48 +291,22 @@ public class IndividualSDB extends IndividualImpl implements Individual {
}
}
private synchronized void constructProperty(OntResource ind, String propertyURI) {
DatasetWrapper w = getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
try {
String[] graphVars = { "?g" };
String queryStr =
"CONSTRUCT { <"+ind.getURI()+"> <" + propertyURI + "> ?value } \n" +
"WHERE { \n" +
"<" + ind.getURI() +"> <" + propertyURI + "> ?value \n" +
WebappDaoFactorySDB.getFilterBlock(graphVars, datasetMode) +
"\n} ";
Query query = QueryFactory.create(queryStr);
QueryExecution qe = QueryExecutionFactory.create(
query, dataset);
qe.execConstruct(ind.getModel());
} finally {
dataset.getLock().leaveCriticalSection();
w.close();
}
}
public Float getSearchBoost(){
if( this._searchBoostJena != null ){
return this._searchBoostJena;
}else{
String[] graphVars = { "?g" };
String getPropertyValue =
"SELECT ?value \n" +
"WHERE { GRAPH ?g { \n" +
"<" +individualURI+ "> <" +webappDaoFactory.getJenaBaseDao().SEARCH_BOOST_ANNOT+ "> ?value }\n" +
WebappDaoFactorySDB.getFilterBlock(graphVars, datasetMode) + "\n" +
"WHERE { \n" +
"<" +individualURI+ "> <" +webappDaoFactory.getJenaBaseDao().SEARCH_BOOST_ANNOT+ "> ?value \n" +
"}";
DatasetWrapper w = getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
QueryExecution qe = QueryExecutionFactory.create(
QueryFactory.create(getPropertyValue), dataset);
try{
ResultSet rs = QueryExecutionFactory.create(
QueryFactory.create(getPropertyValue),
dataset).execSelect();
ResultSet rs = qe.execSelect();
if(rs.hasNext()){
QuerySolution qs = rs.nextSolution();
if(qs.get("value") !=null){
@ -340,14 +314,14 @@ public class IndividualSDB extends IndividualImpl implements Individual {
searchBoost = Float.parseFloat(value.getLexicalForm());
return searchBoost;
}
}
else{
return null;
} else{
return null;
}
} catch (Exception e){
log.error(e,e);
return null;
}finally{
} finally{
qe.close();
dataset.getLock().leaveCriticalSection();
w.close();
}