52 lines
1.5 KiB
Java
52 lines
1.5 KiB
Java
/*******************************************************************************
|
|
* Copyright (c) 2002 - 2006 IBM Corporation.
|
|
* 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:
|
|
* IBM Corporation - initial API and implementation
|
|
*******************************************************************************/
|
|
package com.ibm.wala.util.graph;
|
|
|
|
import java.util.Collection;
|
|
import java.util.Iterator;
|
|
|
|
/**
|
|
* An object which tracks graph nodes.
|
|
*
|
|
* This is effectively a stripped-down collection interface. We choose to avoid using the full {@link Collection} interface, so that
|
|
* it takes less code to implement a new {@link NodeManager}.
|
|
*
|
|
* @param <T> the type of nodes this {@link NodeManager} tracks.
|
|
*/
|
|
public interface NodeManager<T> extends Iterable<T> {
|
|
|
|
/**
|
|
* @return an {@link Iterator} of the nodes in this graph
|
|
*/
|
|
@Override
|
|
public Iterator<T> iterator();
|
|
|
|
/**
|
|
* @return the number of nodes in this graph
|
|
*/
|
|
public int getNumberOfNodes();
|
|
|
|
/**
|
|
* add a node to this graph
|
|
*/
|
|
public void addNode(T n);
|
|
|
|
/**
|
|
* remove a node from this graph
|
|
*/
|
|
public void removeNode(T n) throws UnsupportedOperationException;
|
|
|
|
/**
|
|
* @return true iff the graph contains the specified node
|
|
*/
|
|
public boolean containsNode(T n);
|
|
}
|