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/*******************************************************************************
* Copyright (c) 2011, 2012 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.runtime.stepper.extensions;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.tcf.te.runtime.extensions.ExecutableExtension;
import org.eclipse.tcf.te.runtime.extensions.ExecutableExtensionProxy;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepGroup;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepGroupIterator;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepGroupable;
/**
* Abstract step group implementation.
*/
public abstract class AbstractStepGroup extends ExecutableExtension implements IStepGroup {
private ExecutableExtensionProxy<IStepGroupIterator> iteratorProxy = null;
/**
* Constant to be returned in case the step group contains no steps.
*/
protected final static IStepGroupable[] NO_STEPS = new IStepGroupable[0];
/**
* Constructor.
*/
public AbstractStepGroup() {
super();
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepGroup#isLocked()
*/
@Override
public boolean isLocked() {
return false;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.extensions.ExecutableExtension#doSetInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
*/
@Override
public void doSetInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
super.doSetInitializationData(config, propertyName, data);
if (iteratorProxy == null) {
iteratorProxy = new ExecutableExtensionProxy<IStepGroupIterator>(config) {
@Override
protected String getExecutableExtensionAttributeName() {
return "iterator"; //$NON-NLS-1$
}
};
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepGroup#getStepGroupIterator()
*/
@Override
public IStepGroupIterator getStepGroupIterator() {
return iteratorProxy != null ? iteratorProxy.newInstance() : null;
}
}
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