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/*
* TouchGraph LLC. Apache-Style Software License
*
*
* Copyright (c) 2001-2002 Alexander Shapiro. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* TouchGraph LLC (http://www.touchgraph.com/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "TouchGraph" or "TouchGraph LLC" must not be used to endorse
* or promote products derived from this software without prior written
* permission. For written permission, please contact
* alex@touchgraph.com
*
* 5. Products derived from this software may not be called "TouchGraph",
* nor may "TouchGraph" appear in their name, without prior written
* permission of alex@touchgraph.com.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL TOUCHGRAPH OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
*/
package com.touchgraph.graphlayout.graphelements;
import com.touchgraph.graphlayout.Node;
import com.touchgraph.graphlayout.Edge;
import java.io.Serializable;
//import java.util.Collection;
//import java.util.Iterator;
/** ImmutableGraphEltSet provides access to the elements of GraphElementSet
* that does not allow for addition or deletion of nodes or edges.
*
* @author Alexander Shapiro
* @version 1.22-jre1.1 $Id: ImmutableGraphEltSet.java,v 1.2 2002/09/20 14:03:14 ldornbusch Exp $
*/
public interface ImmutableGraphEltSet {
/** Return the number of Nodes in the cumulative Vector. */
public int nodeCount();
/** Return the current Node count.
* @deprecated this method has been replaced by the <tt>nodeCount()</tt> method.
*/
public int nodeNum();
/** Return an iterator over the Nodes in the cumulative Vector, null if it is empty. */
// public Iterator getNodes();
/** Return the number of Edges in the cumulative Vector. */
public int edgeCount();
/** Return the current Edge count.
* @deprecated this method has been replaced by the <tt>edgeCount()</tt> method.
*/
public int edgeNum();
/** Return an iterator over the Edges in the cumulative Vector, null if it is empty. */
// public Iterator getEdges();
/** Return the Node whose ID matches the String <tt>id</tt>, null if no match is found. */
public Node findNode( String id );
/** Return a Collection of all Nodes whose label matches the String <tt>label</tt>,
* null if no match is found. */
// public Collection findNodesByLabel( String label );
/** Return the first Nodes whose label contains the String <tt>substring</tt>,
* null if no match is found. */
public Node findNodeLabelContaining( String substring );
/** Return an Edge spanning Node <tt>from</tt> to Node <tt>to</tt>. */
public Edge findEdge( Node from, Node to );
/** Returns a random node, or null if none exist (for making random graphs). */
public Node getRandomNode();
/** Return the first Node, null if none exist. */
public Node getFirstNode();
/** iterates through all the nodes. */
public void forAllNodes( TGForEachNode fen );
/** iterates through pairs of Nodes. */
public void forAllNodePairs( TGForEachNodePair fenp );
/** iterates through Edges. */
public void forAllEdges( TGForEachEdge fee );
} // end com.touchgraph.graphlayout.graphelements.ImmutableGraphEltSet
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