/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.apache.marmotta.commons.sesame.test.sparql;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.openrdf.query.*;
import org.openrdf.repository.Repository;
import org.openrdf.repository.RepositoryConnection;
import org.openrdf.repository.RepositoryException;
import org.openrdf.repository.sail.SailRepository;
import org.openrdf.sail.memory.MemoryStore;
/**
*
*/
public class SparqlGraphQueryMatcher<T extends RepositoryConnection> extends SparqlMatcher<T> {
private final Matcher<? extends RepositoryConnection> matcher;
protected SparqlGraphQueryMatcher(String baseUri, String query, Matcher<? extends RepositoryConnection> matcher) {
super(baseUri, query);
this.matcher = matcher;
}
@Override
protected boolean matchesSPARQL(RepositoryConnection connection) throws MalformedQueryException, RepositoryException, QueryEvaluationException {
final GraphQuery graphQuery = connection.prepareGraphQuery(QueryLanguage.SPARQL, query, baseUri);
final Repository repo = new SailRepository(new MemoryStore());
repo.initialize();
try {
final RepositoryConnection connection2 = repo.getConnection();
try {
connection2.begin();
final GraphQueryResult graph = graphQuery.evaluate();
try {
connection2.add(graph);
} finally {
graph.close();
}
connection2.commit();
connection2.begin();
final boolean result = matcher.matches(connection2);
connection2.commit();
return result;
} finally {
connection2.close();
}
} finally {
repo.shutDown();
}
}
@Override
public void describeTo(Description description) {
description.appendText(" Graph ").appendValue(query).appendText(" ").appendDescriptionOf(matcher);
}
public static <T extends RepositoryConnection> Matcher<T> sparqlGraphQuery(String baseUri, String query, Matcher<? extends RepositoryConnection> matcher) {
return new SparqlGraphQueryMatcher<T>(baseUri, query, matcher);
}
}