| /** |
| * 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.hadoop.mapred.nativetask.buffer; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| |
| @InterfaceAudience.Private |
| public abstract class DataOutputStream extends OutputStream implements DataOutput { |
| /** |
| * Check whether this buffer has enough space to store length of bytes |
| * |
| * @param length length of bytes |
| */ |
| public abstract boolean shortOfSpace(int length) throws IOException; |
| |
| /** |
| * Check whether there is unflushed data stored in the stream |
| */ |
| public abstract boolean hasUnFlushedData(); |
| } |
