src/main/java/org/apache/giraph/comm/VertexIdMessagesList.java

/*
 * 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.
 */

package org.apache.giraph.comm;

import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableComparable;

/**
 * Wrapper around {@link ArrayListWritable} that provides the list for
 * {@link VertexIdMessage}.
 *
 * @param <I extends Writable> vertex id
 * @param <M extends Writable> message data
 */
@SuppressWarnings("rawtypes")
public class VertexIdMessagesList<I extends WritableComparable,
        M extends Writable> extends ArrayListWritable<VertexIdMessages<I, M>> {
    /** Defining a layout version for a serializable class. */
    private static final long serialVersionUID = 100L;

    public VertexIdMessagesList() {
        super();
    }

    public VertexIdMessagesList(VertexIdMessagesList<I, M> vertexIdMessagesList) {
        super(vertexIdMessagesList);
    }

    @SuppressWarnings("unchecked")
    @Override
    public void setClass() {
        setClass((Class<VertexIdMessages<I, M>>)
                 (new VertexIdMessages<I, M>()).getClass());
    }
}