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/*
 * 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.flink.runtime.fs.hdfs;

import java.io.IOException;

import org.apache.flink.core.fs.FSDataOutputStream;

public class HadoopDataOutputStream extends FSDataOutputStream {

	private final org.apache.hadoop.fs.FSDataOutputStream fdos;

	public HadoopDataOutputStream(org.apache.hadoop.fs.FSDataOutputStream fdos) {
		if (fdos == null) {
			throw new NullPointerException();
		}
		this.fdos = fdos;
	}

	@Override
	public void write(int b) throws IOException {
		fdos.write(b);
	}

	@Override
	public void write(byte[] b, int off, int len) throws IOException {
		fdos.write(b, off, len);
	}

	@Override
	public void close() throws IOException {
		fdos.close();
	}

	@Override
	public long getPos() throws IOException {
		return fdos.getPos();
	}

	@Override
	public void flush() throws IOException {
		fdos.hflush();
	}

	@Override
	public void sync() throws IOException {
		fdos.hsync();
	}

	/**
	 * Gets the wrapped Hadoop output stream.
	 * @return The wrapped Hadoop output stream.
	 */
	public org.apache.hadoop.fs.FSDataOutputStream getHadoopOutputStream() {
		return fdos;
	}

}