SpoutProcessor.java

/**
 * Copyright 2013-2014 Recruit Technologies Co., Ltd. and contributors
 * (see CONTRIBUTORS.md)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  A copy of the
 * License is distributed with this work in the LICENSE.md file.  You may
 * also obtain a copy of the License from
 *
 *     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.gennai.gungnir.topology.processor;

import java.util.List;

import org.gennai.gungnir.GungnirConfig;
import org.gennai.gungnir.topology.GungnirContext;
import org.gennai.gungnir.topology.processor.spout.MessageId;
import org.gennai.gungnir.topology.processor.spout.TupleAndMessageId;
import org.gennai.gungnir.tuple.schema.Schema;

public interface SpoutProcessor extends Processor, Cloneable {

  void open(GungnirConfig config, GungnirContext context, Schema schema)
      throws ProcessorException;

  List<TupleAndMessageId> read() throws ProcessorException, InterruptedException;

  void ack(MessageId messageId);

  void fail(MessageId messageId);

  void close();

  SpoutProcessor clone();
}