litvinovg/vitro
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source
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
Show stats Download patch file Download diff file Expand all files Collapse all files

42
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/IndividualSDB.java
View file

@ -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(){ public Float getSearchBoost(){
if( this._searchBoostJena != null ){ if( this._searchBoostJena != null ){
return this._searchBoostJena; return this._searchBoostJena;
}else{ }else{
String[] graphVars = { "?g" };
String getPropertyValue = String getPropertyValue =
"SELECT ?value \n" + "SELECT ?value \n" +
"WHERE { GRAPH ?g { \n" + "WHERE { \n" +
"<" +individualURI+ "> <" +webappDaoFactory.getJenaBaseDao().SEARCH_BOOST_ANNOT+ "> ?value }\n" + "<" +individualURI+ "> <" +webappDaoFactory.getJenaBaseDao().SEARCH_BOOST_ANNOT+ "> ?value \n" +
WebappDaoFactorySDB.getFilterBlock(graphVars, datasetMode) + "\n" +
"}"; "}";
DatasetWrapper w = getDatasetWrapper(); DatasetWrapper w = getDatasetWrapper();
Dataset dataset = w.getDataset(); Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ); dataset.getLock().enterCriticalSection(Lock.READ);
QueryExecution qe = QueryExecutionFactory.create(
QueryFactory.create(getPropertyValue), dataset);
try{ try{
ResultSet rs = QueryExecutionFactory.create( ResultSet rs = qe.execSelect();
QueryFactory.create(getPropertyValue),
dataset).execSelect();
if(rs.hasNext()){ if(rs.hasNext()){
QuerySolution qs = rs.nextSolution(); QuerySolution qs = rs.nextSolution();
if(qs.get("value") !=null){ if(qs.get("value") !=null){
@ -340,14 +314,14 @@ public class IndividualSDB extends IndividualImpl implements Individual {
searchBoost = Float.parseFloat(value.getLexicalForm()); searchBoost = Float.parseFloat(value.getLexicalForm());
return searchBoost; return searchBoost;
} }
} } else{
else{
return null; return null;
} }
} catch (Exception e){ } catch (Exception e){
log.error(e,e); log.error(e,e);
return null; return null;
}finally{ } finally{
qe.close();
dataset.getLock().leaveCriticalSection(); dataset.getLock().leaveCriticalSection();
w.close(); w.close();
} }