ivory.smrf.retrieval.RunQueryLocal_cascade.java Source code

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Here is the source code for ivory.smrf.retrieval.RunQueryLocal_cascade.java

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/*
 * Ivory: A Hadoop toolkit for web-scale information retrieval
 * 
 * Licensed 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 ivory.smrf.retrieval;

import java.io.IOException;
import java.rmi.NotBoundException;

import javax.xml.parsers.ParserConfigurationException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.log4j.Logger;
import org.xml.sax.SAXException;

/**
 * @author Lidan Wang
 *
 */
public class RunQueryLocal_cascade {

    private static final Logger sLogger = Logger.getLogger(RunQueryLocal_cascade.class);

    private BatchQueryRunner_cascade runner = null;

    public RunQueryLocal_cascade(String[] args)
            throws SAXException, IOException, ParserConfigurationException, Exception, NotBoundException {
        Configuration conf = new Configuration();
        FileSystem fs = FileSystem.getLocal(conf);
        try {
            sLogger.info("initilaize runquery ...");
            runner = new BatchQueryRunner_cascade(args, fs);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * runs the queries
     */
    public void runQueries() throws Exception {
        // run the queries
        sLogger.info("run the queries ...");
        long start = System.currentTimeMillis();
        runner.runQueries();
        long end = System.currentTimeMillis();

        sLogger.info("Total query time: " + (end - start) + "ms");
    }

    public static void main(String[] args) throws Exception {
        RunQueryLocal_cascade s;
        try {
            s = new RunQueryLocal_cascade(args);
            s.runQueries();
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.exit(0);
    }
}