Source code

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,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.io.data.output;
020
021import java.io.DataOutputStream;
022import java.io.IOException;
023
024/**
025 * A provider through which users create output streams.
026 */
027public interface OutputStreamProvider {
028
029  /**
030   * create an output stream using the given name.
031   *
032   * @param name name of the created output stream
033   *             It is used as the name of the directory if the created output stream is a file output stream
034   * @return created output stream
035   * @throws java.io.IOException
036   */
037  DataOutputStream create(final String name) throws IOException;
038
039  /**
040   * release resources.
041   *
042   * @throws java.io.IOException
043   */
044  void close() throws IOException;
045}