/*
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*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
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*
* Copyright 2008-2009 Sun Microsystems, Inc.
*/
package org.opends.guitools.controlpanel.task;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.opends.guitools.controlpanel.datamodel.BackendDescriptor;
import org.opends.guitools.controlpanel.datamodel.ControlPanelInfo;
import org.opends.guitools.controlpanel.ui.ProgressDialog;
import org.opends.messages.Message;
/**
* An abstract class used to re-factor some code between the start, stop and
* restart tasks.
*
*/
public abstract class StartStopTask extends Task
{
Set<String> backendSet;
/**
* Constructor of the task.
* @param info the control panel information.
* @param progressDialog the progress dialog where the task progress will be
* displayed.
*/
protected StartStopTask(ControlPanelInfo info, ProgressDialog progressDialog)
{
super(info, progressDialog);
backendSet = new HashSet<String>();
for (BackendDescriptor backend :
info.getServerDescriptor().getBackends())
{
backendSet.add(backend.getBackendID());
}
}
/**
* {@inheritDoc}
*/
public Set<String> getBackends()
{
return backendSet;
}
/**
* {@inheritDoc}
*/
public boolean canLaunch(Task taskToBeLaunched,
Collection<Message> incompatibilityReasons)
{
boolean canLaunch = true;
if (state == State.RUNNING && runningOnSameServer(taskToBeLaunched))
{
incompatibilityReasons.add(getIncompatibilityMessage(this,
taskToBeLaunched));
canLaunch = false;
}
return canLaunch;
}
/**
* {@inheritDoc}
*/
public void runTask()
{
state = State.RUNNING;
lastException = null;
// To display new status
try
{
getInfo().stopPooling();
getInfo().regenerateDescriptor();
ArrayList<String> arguments = getCommandLineArguments();
String[] args = new String[arguments.size()];
arguments.toArray(args);
returnCode = executeCommandLine(getCommandLinePath(), args);
postCommandLine();
}
catch (Throwable t)
{
lastException = t;
state = State.FINISHED_WITH_ERROR;
}
getInfo().startPooling();
}
/**
* {@inheritDoc}
*/
protected ArrayList<String> getCommandLineArguments()
{
ArrayList<String> args = new ArrayList<String>();
return args;
}
/**
* Method called just after calling the command-line. To be overwritten
* by the inheriting classes.
*/
protected void postCommandLine()
{
if (returnCode != 0)
{
state = State.FINISHED_WITH_ERROR;
}
else
{
state = State.FINISHED_SUCCESSFULLY;
}
}
}