1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.giraph.writable.kryo.markers; 19 20 import org.apache.hadoop.io.Writable; 21 22 23 /** 24 * Marker interface, specifying that kryo should serialize it on it's own, 25 * and ignore actual Writable method implementations. 26 * 27 * If you are using HadoopKryo.writeOutOfObject/readIntoObject result is the 28 * same, and adding it allows wrapping Kryo context into writable context, 29 * and then wrapping it back into Kryo context. 30 */ 31 public interface KryoIgnoreWritable extends Writable { 32 }