| // Copyright 2016 Twitter. All rights reserved. |
| // |
| // Licensed 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 com.twitter.heron.api.bolt; |
| |
| import java.util.Map; |
| |
| import com.twitter.heron.api.topology.IComponent; |
| import com.twitter.heron.api.topology.TopologyContext; |
| import com.twitter.heron.api.tuple.Tuple; |
| |
| public interface IBasicBolt extends IComponent { |
| void prepare(Map<String, Object> heronConf, TopologyContext context); |
| |
| /** |
| * Process the input tuple and optionally emit new tuples based on the input tuple. |
| * <p> |
| * All acking is managed for you. Throw a FailedException if you want to fail the tuple. |
| */ |
| void execute(Tuple input, BasicOutputCollector collector); |
| |
| void cleanup(); |
| } |