| /* |
| * 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.utils; |
| |
| import org.apache.hadoop.io.WritableComparable; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| /** |
| * Stores pairs of vertex id and generic data in a single byte array |
| * |
| * @param <I> Vertex id |
| * @param <T> Data |
| */ |
| public abstract class ByteArrayVertexIdData<I extends WritableComparable, |
| T> extends AbstractVertexIdData<I, T> { |
| |
| /** |
| * Get the underlying byte-array. |
| * |
| * @return The underlying byte-array |
| */ |
| public byte[] getByteArray() { |
| return extendedDataOutput.getByteArray(); |
| } |
| |
| @Override |
| public void write(DataOutput dataOutput) throws IOException { |
| WritableUtils.writeExtendedDataOutput(extendedDataOutput, dataOutput); |
| } |
| |
| @Override |
| public void readFields(DataInput dataInput) throws IOException { |
| extendedDataOutput = |
| WritableUtils.readExtendedDataOutput(dataInput, getConf()); |
| } |
| } |