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/*******************************************************************************
* Copyright (c) 2014 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.tcf.core.internal.channelmanager.steps;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.callback.Callback;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.StepperAttributeUtil;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.tcf.core.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.core.interfaces.steps.ITcfStepAttributes;
import org.eclipse.tcf.te.tcf.core.steps.AbstractPeerStep;
import org.eclipse.tcf.te.tcf.core.va.interfaces.IValueAdd;
/**
* LaunchValueAddStep
*/
public class LaunchValueAddStep extends AbstractPeerStep {
/**
* Constructor.
*/
public LaunchValueAddStep() {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#validateExecute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void validateExecute(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
IValueAdd valueAdd = (IValueAdd)StepperAttributeUtil.getProperty(ITcfStepAttributes.ATTR_VALUE_ADD, fullQualifiedId, data);
if (valueAdd == null) {
throw new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), "Value-add descriptor instance not set.")); //$NON-NLS-1$
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#execute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void execute(IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, IProgressMonitor monitor, final ICallback callback) {
Assert.isNotNull(context);
Assert.isNotNull(data);
Assert.isNotNull(fullQualifiedId);
Assert.isNotNull(monitor);
Assert.isNotNull(callback);
final IValueAdd valueAdd = (IValueAdd)StepperAttributeUtil.getProperty(ITcfStepAttributes.ATTR_VALUE_ADD, fullQualifiedId, data);
final String peerId = getActivePeerContext(context, data, fullQualifiedId).getID();
Runnable runnable = new Runnable() {
@Override
public void run() {
valueAdd.isAlive(peerId, new Callback() {
@Override
protected void internalDone(Object caller, IStatus status) {
boolean alive = ((Boolean)getResult()).booleanValue();
if (!alive) {
valueAdd.launch(peerId, callback);
}
else {
callback(data, fullQualifiedId, callback, Status.OK_STATUS, null);
}
}
});
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeLater(runnable);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.steps.AbstractStep#rollback(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.core.runtime.IStatus, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void rollback(final IStepContext context, final IPropertiesContainer data, final IStatus status, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor, final ICallback callback) {
final IValueAdd valueAdd = (IValueAdd)StepperAttributeUtil.getProperty(ITcfStepAttributes.ATTR_VALUE_ADD, fullQualifiedId, data);
final String peerId = getActivePeerContext(context, data, fullQualifiedId).getID();
Runnable runnable = new Runnable() {
@SuppressWarnings("synthetic-access")
@Override
public void run() {
valueAdd.shutdown(peerId, callback);
LaunchValueAddStep.super.rollback(context, data, status, fullQualifiedId, monitor, callback);
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeLater(runnable);
}
}
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