hu.bme.mit.trainbenchmark.benchmark.neo4j.queries.cypher.Neo4jCypherQuery.java Source code

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/*******************************************************************************
 * Copyright (c) 2010-2015, Benedek Izso, Gabor Szarnyas, Istvan Rath and Daniel Varro
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Benedek Izso - initial API and implementation
 *   Gabor Szarnyas - initial API and implementation
 *******************************************************************************/
package hu.bme.mit.trainbenchmark.benchmark.neo4j.queries.cypher;

import java.io.File;
import java.io.IOException;
import java.util.Collection;

import org.apache.commons.io.FileUtils;

import hu.bme.mit.trainbenchmark.benchmark.neo4j.driver.Neo4jDriver;
import hu.bme.mit.trainbenchmark.benchmark.neo4j.matches.Neo4jMatch;
import hu.bme.mit.trainbenchmark.benchmark.neo4j.queries.Neo4jQuery;
import hu.bme.mit.trainbenchmark.constants.RailwayQuery;
import hu.bme.mit.trainbenchmark.neo4j.Neo4jConstants;

public class Neo4jCypherQuery<TNeo4jMatch extends Neo4jMatch> extends Neo4jQuery<TNeo4jMatch> {

    protected final RailwayQuery query;
    protected final String queryDefinition;

    public Neo4jCypherQuery(final Neo4jDriver driver, final String workspaceDir, final RailwayQuery query)
            throws IOException {
        super(query, driver);

        this.query = query;
        this.queryDefinition = FileUtils.readFileToString(new File(workspaceDir + Neo4jConstants.CYPHER_DIR
                + "queries/" + query + "." + Neo4jConstants.QUERY_EXTENSION));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Collection<TNeo4jMatch> evaluate() throws IOException {
        return (Collection<TNeo4jMatch>) driver.runQuery(query, queryDefinition);
    }

}