com.clustercontrol.repository.session.RepositoryRunManagementBean.java Source code

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Here is the source code for com.clustercontrol.repository.session.RepositoryRunManagementBean.java

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/*
    
Copyright (C) 2006 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.repository.session;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.Semaphore;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

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

import com.clustercontrol.fault.HinemosUnknown;
import com.clustercontrol.fault.JobInfoNotFound;
import com.clustercontrol.maintenance.util.HinemosPropertyUtil;
import com.clustercontrol.repository.DeviceSearchTask;
import com.clustercontrol.util.HinemosTime;

/**
 * ????? Session Bean <BR>
 *
 */
public class RepositoryRunManagementBean {
    /** ?<BR> */
    private static Log m_log = LogFactory.getLog(RepositoryRunManagementBean.class);

    // ??????
    private static final Semaphore duplicateExec = new Semaphore(1);

    // 
    private static int execCount = 0;

    private static boolean countCheck() {
        int interval = HinemosPropertyUtil
                .getHinemosPropertyNum("repository.device.search.interval", Long.valueOf(5)).intValue();
        if (interval <= 0) {
            return false;
        }
        execCount++;
        boolean flag = false;
        if (execCount >= interval) {
            execCount = 0;
            flag = true;
        }
        m_log.debug("execCount=" + execCount + " flag=" + flag + " interval=" + interval);
        return flag;
    }

    private static final ExecutorService _executorService = Executors.newFixedThreadPool(HinemosPropertyUtil
            .getHinemosPropertyNum("repository.device.search.threadpool.size", Long.valueOf(5)).intValue(),
            new ThreadFactory() {
                private volatile int _count = 0;

                @Override
                public Thread newThread(Runnable r) {
                    return new Thread(r, "DeviceSearchWorker-" + _count++);
                }
            });

    /**
     * Quartz???<BR>
     * <P>
     * Quartz??????<BR>
     * <BR>
     * ?????????<BR>
     * @throws HinemosUnknown
     * @throws JobInfoNotFound
     *
     * @see com.clustercontrol.jobmanagement.factory.OperationJob#runJob()
     */
    public void run() {
        if (duplicateExec.tryAcquire()) {
            try {
                if (countCheck()) {
                    long start = HinemosTime.currentTimeMillis();
                    RepositoryControllerBean controller = new RepositoryControllerBean();
                    //?
                    try {
                        List<String> facilityIdList = controller.getNodeFacilityIdList();
                        List<Future<Boolean>> futureList = new ArrayList<Future<Boolean>>();
                        //????
                        for (String facilityId : facilityIdList) {
                            futureList.add(_executorService.submit(new DeviceSearchTask(facilityId)));
                        }

                        //?
                        for (Future<Boolean> future : futureList) {
                            try {
                                future.get(60 * 1000, TimeUnit.MILLISECONDS);
                            } catch (TimeoutException e) {
                                // SNMP?????????????????
                                m_log.warn("run() : " + e.getClass().getName(), e);
                            } catch (InterruptedException e) {
                                m_log.warn("run() : " + e.getClass().getName(), e);
                            } catch (ExecutionException e) {
                                m_log.warn("run() : " + e.getClass().getName(), e);
                            }
                        }

                    } catch (HinemosUnknown e) {
                        m_log.warn("run() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
                    }
                    m_log.info("auto device search : time=" + (HinemosTime.currentTimeMillis() - start) + "ms");
                }
            } finally {
                duplicateExec.release();
            }
        } else {
            m_log.warn("runningCheck is busy !!");
        }
    }
}