/*******************************************************************************
* Copyright (c) 2010, 2014 Alena Laskavaia 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:
* Alena Laskavaia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.internal.core.cfg;
import org.eclipse.cdt.codan.core.model.cfg.IBasicBlock;
import org.eclipse.cdt.codan.core.model.cfg.ISingleIncoming;
/**
* Abstract node with one incoming arc (node)
*
*/
public abstract class AbstractSingleIncomingNode extends AbstractBasicBlock implements ISingleIncoming {
private IBasicBlock prev;
/**
* Default constructor
*/
public AbstractSingleIncomingNode() {
super();
}
@Override
public IBasicBlock[] getIncomingNodes() {
return new IBasicBlock[] { prev };
}
@Override
public int getIncomingSize() {
return prev!=null?1:0;
}
@Override
public IBasicBlock getIncoming() {
return prev;
}
/**
* Sets the incoming node
*
* @param prev
*/
public void setIncoming(IBasicBlock prev) {
this.prev = prev;
}
@Override
public void addIncoming(IBasicBlock node) {
setIncoming(node);
}
}