    001    /**
    002     * Licensed to the Apache Software Foundation (ASF) under one
    003     * or more contributor license agreements.  See the NOTICE file
    004     * distributed with this work for additional information
    005     * regarding copyright ownership.  The ASF licenses this file
    006     * to you under the Apache License, Version 2.0 (the
    007     * "License"); you may not use this file except in compliance
    008     * with the License.  You may obtain a copy of the License at
    009     *
    010     *     http://www.apache.org/licenses/LICENSE-2.0
    011     *
    012     * Unless required by applicable law or agreed to in writing, software
    013     * distributed under the License is distributed on an "AS IS" BASIS,
    014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    015     * See the License for the specific language governing permissions and
    016     * limitations under the License.
    017     */
    018    package org.apache.hadoop.mapred.join;
    019
    020    import org.apache.hadoop.classification.InterfaceAudience;
    021    import org.apache.hadoop.classification.InterfaceStability;
    022    import org.apache.hadoop.io.Writable;
    023
    024    /**
    025     * This class provides an implementation of ResetableIterator. This
    026     * implementation uses a byte array to store elements added to it.
    027     */
    028    @InterfaceAudience.Public
    029    @InterfaceStability.Stable
    030    public class StreamBackedIterator<X extends Writable>
    031        extends org.apache.hadoop.mapreduce.lib.join.StreamBackedIterator<X>
    032        implements ResetableIterator<X> {
    033    }