coloring/src/main/java/org/apache/commons/graph/coloring/ColoringSolver.java

package org.apache.commons.graph.coloring;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import static org.apache.commons.graph.utils.Assertions.checkNotNull;

import org.apache.commons.graph.UndirectedGraph;

public final class ColoringSolver
{

    private ColoringSolver()
    {
        // do nothing
    }

    /**
     * Create a color builder.
     *
     * @param <V> the Graph vertices type
     * @param <E> the Graph edges type
     * @param <G> the Graph type
     * @param graph the input graph
     * @return an instance of {@link ColorsBuilder}
     */
    public static <V, E, G extends UndirectedGraph<V, E>> ColorsBuilder<V, E> coloring( G graph )
    {
        graph = checkNotNull( graph, "Coloring can not be calculated on null graph"  );
        return new DefaultColorsBuilder<V, E>( graph );
    }

}