org.hibernate.search.test.performance.util.Util.java Source code

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Here is the source code for org.hibernate.search.test.performance.util.Util.java

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/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.search.test.performance.util;

import java.util.Date;
import java.util.Properties;

import org.apache.commons.lang.time.DateFormatUtils;

/**
 * @author Tomas Hradec
 */
public class Util {

    private static final int GC_CYCLE = 3;
    private static final int GC_TIMEOUT = 3 * 1000;

    private Util() {
    }

    public static void runGarbageCollectorAndWait() {
        try {
            for (int i = 0; i < GC_CYCLE; i++) {
                System.gc();
                Thread.sleep(GC_TIMEOUT);
            }
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }

    public static void log(String msg) {
        System.out.println(DateFormatUtils.format(new Date(), "[yyyy-MM-dd HH:mm:ss.SSS]") + " " + msg);
    }

    public static void setDefaultProperty(Properties properties, String key, String value) {
        if (!System.getProperties().containsKey(key)) {
            properties.setProperty(key, value);
        }
    }

}