org.openrdf.repository.dataset.DatasetGraphQuery Maven / Gradle / Ivy
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Implementation that loads all referenced datasets into a wrapped repository
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* Licensed to Aduna under one or more contributor license agreements.
* See the NOTICE.txt file distributed with this work for additional
* information regarding copyright ownership.
*
* Aduna licenses this file to you under the terms of the Aduna BSD
* License (the "License"); you may not use this file except in compliance
* with the License. See the LICENSE.txt file distributed with this work
* for the full License.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package org.openrdf.repository.dataset;
import org.openrdf.query.GraphQuery;
import org.openrdf.query.GraphQueryResult;
import org.openrdf.query.QueryEvaluationException;
import org.openrdf.repository.sail.SailGraphQuery;
import org.openrdf.rio.RDFHandler;
import org.openrdf.rio.RDFHandlerException;
/**
* @author Arjohn Kampman
*/
class DatasetGraphQuery extends DatasetQuery implements GraphQuery {
protected DatasetGraphQuery(DatasetRepositoryConnection con, SailGraphQuery sailQuery) {
super(con, sailQuery);
}
public GraphQueryResult evaluate()
throws QueryEvaluationException
{
con.loadDataset(sailQuery.getActiveDataset());
return ((GraphQuery)sailQuery).evaluate();
}
public void evaluate(RDFHandler handler)
throws QueryEvaluationException, RDFHandlerException
{
con.loadDataset(sailQuery.getActiveDataset());
((GraphQuery)sailQuery).evaluate(handler);
}
}
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