/**
* 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.tez.common;
/**
* Event that allows running in parallel for different instances
*
* @param <TYPE>
* Event type
*/
public abstract class TezAbstractEvent<TYPE extends Enum<TYPE>> extends
org.apache.hadoop.yarn.event.AbstractEvent<TYPE> {
public TezAbstractEvent(TYPE type) {
super(type);
}
/**
* Returning a number that is identical for event instances that need to be
* serialized while processing.
*
* @return Serializing identifier. Not overriding this causes serialization
* for all events instances
*/
public int getSerializingHash() {
return 0;
}
}