com.clustercontrol.agent.job.RunHistoryUtil.java Source code

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Here is the source code for com.clustercontrol.agent.job.RunHistoryUtil.java

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/*
    
Copyright (C) 2011 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.agent.job;

import java.io.InputStream;
import java.io.OutputStream;
import java.util.ConcurrentModificationException;
import java.util.concurrent.ConcurrentHashMap;

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

import com.clustercontrol.jobmanagement.bean.CommandStopTypeConstant;
import com.clustercontrol.jobmanagement.bean.CommandTypeConstant;
import com.clustercontrol.ws.jobmanagement.RunInstructionInfo;

/**
 * ??<BR>
 * 
 * ???????<BR>
 * ???????????
 * 
 */
public class RunHistoryUtil {

    //
    private static Log m_log = LogFactory.getLog(RunHistoryUtil.class);
    private static ConcurrentHashMap<String, Process> runHistory = new ConcurrentHashMap<String, Process>();

    /**
     * ???<BR>
     * @param info
     * @param startDate
     */
    public static void addRunHistory(RunInstructionInfo info, Process process) {
        runHistory.put(getKey(info), process);
    }

    /**
     * ???<BR>
     * @param info
     */
    public static void delRunHistory(RunInstructionInfo info) {
        runHistory.remove(getKey(info));
    }

    /**
     * ????
     * @param runHistory
     */
    public static boolean clearRunHistory() {
        boolean flag = true;
        if (runHistory.isEmpty()) {
            flag = false;
        }
        runHistory.clear();
        return flag;
    }

    /**
     * ???<BR>
     * @param info
     * @return process
     */
    public static Process findRunHistory(RunInstructionInfo info) {
        Process process = runHistory.get(getKey(info));
        return process;
    }

    /**
     * ?
     * @return
     */
    public static void logHistory() {
        try {
            for (String key : runHistory.keySet()) {
                m_log.info("A running job is out of control due to stopped agent : " + key);
            }
        } catch (ConcurrentModificationException e) {
            m_log.warn("Log output process is stopped due to job execution history updated at the same time.");
        }
    }

    /**
     * ??????Key????
     * @param info
     * @return
     */
    protected static String getKey(RunInstructionInfo info) {
        // DESTROY_PROCESS???NORMAL??????????CommandType??
        int commandType;
        if (info.getCommandType() == CommandTypeConstant.STOP && info.getStopType() != null
                && info.getStopType() == CommandStopTypeConstant.DESTROY_PROCESS) {
            commandType = CommandTypeConstant.NORMAL;
        } else {
            commandType = info.getCommandType();
        }
        return info.getSessionId() + "," + info.getJobId() + "," + commandType + "," + info.getFacilityId();
    }

    /**
     * ??????
     * FIXME
     * @return process
     */
    protected static Process dummyProcess() {
        return new Process() {

            @Override
            public int waitFor() throws InterruptedException {
                return 0;
            }

            @Override
            public OutputStream getOutputStream() {
                return null;
            }

            @Override
            public InputStream getInputStream() {
                return null;
            }

            @Override
            public InputStream getErrorStream() {
                return null;
            }

            @Override
            public int exitValue() {
                return 0;
            }

            @Override
            public void destroy() {
            }
        };
    }
}