/** * 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 backtype.storm.topology.base; import java.util.Map; import backtype.storm.state.State; import backtype.storm.task.OutputCollector; import backtype.storm.task.TopologyContext; import backtype.storm.topology.IStatefulBolt; import backtype.storm.topology.OutputFieldsDeclarer; public abstract class BaseStatefulBolt<T extends State> implements IStatefulBolt<T> { @Override public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) { // NOOP } @Override public void cleanup() { // NOOP } @Override public void declareOutputFields(OutputFieldsDeclarer declarer) { // NOOP } @Override public Map<String, Object> getComponentConfiguration() { return null; } @Override public void preCommit(long txid) { // NOOP } @Override public void prePrepare(long txid) { // NOOP } @Override public void preRollback() { // NOOP } }