/**
 * 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.storm.trident.planner;

import java.io.Serializable;
import java.util.Map;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.trident.planner.processor.TridentContext;
import org.apache.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<String, Object> conf, TopologyContext context, TridentContext tridentContext);

    void cleanup();

    void startBatch(ProcessorContext processorContext);

    void finishBatch(ProcessorContext processorContext);

    Factory getOutputFactory();
}
