org.jgrapht.graph.specifics.ArrayUnenforcedSetEdgeSetFactory Maven / Gradle / Ivy
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/*
* (C) Copyright 2003-2023, by Barak Naveh and Contributors.
*
* JGraphT : a free Java graph-theory library
*
* See the CONTRIBUTORS.md file distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the
* GNU Lesser General Public License v2.1 or later
* which is available at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html.
*
* SPDX-License-Identifier: EPL-2.0 OR LGPL-2.1-or-later
*/
package org.jgrapht.graph.specifics;
import org.jgrapht.graph.*;
import org.jgrapht.util.*;
import java.io.*;
import java.util.*;
/**
* An edge set factory which creates {@link ArrayUnenforcedSet} of size 1, suitable for small degree
* vertices.
*
* @param the graph vertex type
* @param the graph edge type
*
* @author Barak Naveh
*/
public class ArrayUnenforcedSetEdgeSetFactory
implements EdgeSetFactory, Serializable
{
private static final long serialVersionUID = 5936902837403445985L;
/**
* {@inheritDoc}
*/
@Override
public Set createEdgeSet(V vertex)
{
// NOTE: use size 1 to keep memory usage under control
// for the common case of vertices with low degree
return new ArrayUnenforcedSet<>(1);
}
}