/**
* 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 storm.trident.planner;
import backtype.storm.task.TopologyContext;
import java.io.Serializable;
import java.util.Map;
import storm.trident.planner.processor.TridentContext;
import storm.trident.tuple.TridentTuple.Factory;
public interface TridentProcessor extends Serializable, TupleReceiver {
// imperative that don't emit any tuples from here, since output factory cannot be gotten until
// preparation is done, therefore, receivers won't be ready to receive tuples yet
// can't emit tuples from here anyway, since it's not within a batch context (which is only
// startBatch, execute, and finishBatch
void prepare(Map conf, TopologyContext context, TridentContext tridentContext);
void cleanup();
void startBatch(ProcessorContext processorContext);
void finishBatch(ProcessorContext processorContext);
Factory getOutputFactory();
}