com.clustercontrol.selfcheck.SelfCheckTask.java Source code

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Here is the source code for com.clustercontrol.selfcheck.SelfCheckTask.java

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/*
    
Copyright (C) 2012 NTT DATA Corporation
    
This program is free software; you can redistribute it and/or
Modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, version 2.
    
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the GNU General Public License for more details.
    
 */

package com.clustercontrol.selfcheck;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.clustercontrol.commons.util.JpaTransactionManager;
import com.clustercontrol.selfcheck.monitor.SelfCheckMonitor;

/**
 * ????
 */
public class SelfCheckTask implements Runnable {

    private static Log m_log = LogFactory.getLog(SelfCheckTask.class);

    private final SelfCheckMonitor monitor;

    /**
     * 
     * @param config
     */
    public SelfCheckTask(SelfCheckMonitor monitor) {
        this.monitor = monitor;
    }

    /**
     * ???
     */
    @Override
    public void run() {
        /**  */
        JpaTransactionManager tm = null;

        /** ? */
        if (m_log.isDebugEnabled())
            m_log.debug("executing self-check. (" + toString() + ")");

        try {
            tm = new JpaTransactionManager();
            tm.begin();

            // ??
            monitor.execute();

            tm.commit();
        } catch (Exception e) {
            m_log.warn("run() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
            if (tm != null)
                tm.rollback();
        } finally {
            if (tm != null)
                tm.close();
        }

        if (m_log.isDebugEnabled())
            m_log.debug("selfcheck scheduler task is executed. (" + toString() + ")");
    }

    /**
     * ??????
     */
    @Override
    public String toString() {
        /** ? */
        return monitor.toString();
    }
}