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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.core.async;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.tcf.te.core.async.interfaces.IAsyncExecutable;
import org.eclipse.tcf.te.runtime.callback.Callback;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.utils.ProgressHelper;
/**
* Abstract asynchronous executable stepper job.
* <p>
* The job executes a list of actions. If any action returns with an error, the whole job will be
* aborted.
*/
public abstract class AbstractAsyncExecutableStepperJob extends AbstractAsyncExecutableJob {
private final IAsyncExecutable[] actions;
/**
* Constructor.
*
* @param name The job name. Must not be <code>null</code>
* @param actions The actions to execute. Must not be <code>null</code>.
*/
public AbstractAsyncExecutableStepperJob(String name, IAsyncExecutable[] actions) {
super(name);
Assert.isNotNull(actions);
this.actions = actions;
}
/**
* Returns the actions to execute.
*
* @return The actions to execute.
*/
protected IAsyncExecutable[] getActions() {
return actions;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.core.async.AbstractAsyncExecutableJob#getJobTicks()
*/
@Override
protected int getJobTicks() {
return getActions().length * 100;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.core.async.AbstractAsyncExecutableJob#internalExecute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
protected final void internalExecute(final IProgressMonitor monitor, final ICallback callback) {
if (getActions() == null || getActions().length == 0) {
callback.done(this, Status.OK_STATUS);
}
else {
ICallback stepCallback = new Callback() {
private int index = 0;
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.callback.Callback#internalDone(java.lang.Object, org.eclipse.core.runtime.IStatus)
*/
@Override
protected void internalDone(Object caller, IStatus status) {
if (!ProgressHelper.isCancelOrError(caller, status, getProgressMonitor(), null) && index < getActions().length) {
setProperty(PROPERTY_IS_DONE, false);
getActions()[index++].execute(monitor, 100, this);
}
else {
callback.done(caller, status);
}
}
};
stepCallback.done(this, Status.OK_STATUS);
}
}
}
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