Package com.sun.enterprise.ee.nodeagent

Source Code of com.sun.enterprise.ee.nodeagent.ProcessInstanceInternal

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/*
* ProcessInstance.java
*
* Created on October 23, 2003, 2:25 PM
*/

package com.sun.enterprise.ee.nodeagent;

import com.sun.enterprise.ee.admin.servermgmt.InstanceDirs;
import com.sun.enterprise.util.SystemPropertyConstants;
import java.util.Observable;
import java.util.Observer;
import java.util.Properties;
import java.util.Vector;
import java.util.Enumeration;
import java.util.Iterator;
import java.lang.Process;
import java.io.InputStreamReader;
import java.io.BufferedReader;

import com.sun.enterprise.util.ProcessExecutor;
import com.sun.enterprise.ee.admin.servermgmt.InstanceConfig;
import com.sun.enterprise.ee.admin.servermgmt.EEInstancesManager;

/**
*
* @author  basler
*/
public class ProcessInstanceInternal extends AbstractProcessInstance {
    public ProcessInstanceInternal(String name) {
       
        setName(name);
    }
   
    /**
     * startInstance - start sequence specific to intances that are internal to the appserver
     */
    public void startInstance() throws ProcessManagerException {
        try {
            if(bDebug) System.err.println("\n" + this.getClass().getName() + ": ProcessInstanceInternal:startInstance for :" + getName());
            InstanceConfig instanceConfig=new InstanceConfig(InstanceDirs.getRepositoryName(), InstanceDirs.getRepositoryRoot(), getName());
            EEInstancesManager eeInstancesManager=new EEInstancesManager(instanceConfig);
            // reset exitcode to make sure on restart it doesn't incur a race condition in the
            // monitor where the exitCode is non-zero and it has a process so another reset is attempted
            setExitCode(0);
            // start instance, this will not sync since sync call was moved to nodeagent, and it is not supposed to sync
            setProcess(eeInstancesManager.startInstance());
            if(bDebug) System.out.println("\nCurrently Running:" + ProcessManager.getInstance().toString());
           
        } catch (Exception e) {
            throw new ProcessManagerException(e);
        }
    }
   

    /**
     * stop sequence specific to intances that are internal to the appserver
     */
    public void stopInstance() throws ProcessManagerException {
        stopInstance(false, -1);
    }

    /**
     * stop sequence specific to intances that are internal to the appserver
     * @param timeout - maxtime within which the process has to be stopped
     */   
    public void stopInstance(int timeout) throws ProcessManagerException {
        stopInstance(true, timeout);
    }
   
    private void stopInstance(boolean isTimeBound, int timeout)
    throws ProcessManagerException {
        try {
      setStopping(true);
            if (bDebug)
                System.err.println("\n" + this.getClass().getName() +
                    ": ProcessInstanceInternal:stopInstance for :" + getName());
           
            InstanceConfig instanceConfig =
                new InstanceConfig(InstanceDirs.getRepositoryName(),
                                   InstanceDirs.getRepositoryRoot(), getName());
            //instanceConfig.setInstanceName(getName());
            EEInstancesManager eeInstancesManager =
                new EEInstancesManager(instanceConfig);
           
            if (isTimeBound) {
                boolean stopped = false;
               
                if(timeout > 0)
                    stopped = eeInstancesManager.stopInstanceWithinTime(timeout);
               
                if (!stopped) eeInstancesManager.killRelatedProcesses();
            } else {
                eeInstancesManager.stopInstance("true");
            }
           
            if (bDebug) System.out.println("\nCurrently Running:" +
                                    ProcessManager.getInstance().toString());
        } catch (Exception e) {
            throw new ProcessManagerException(e);
  }       
    }
}
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