/** * 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; import backtype.storm.spout.SpoutOutputCollector; import backtype.storm.utils.Utils; import com.alibaba.jstorm.task.execute.spout.SpoutCollector; import java.util.List; /** * callbacks like ICollectorCallback will be unnecessary since control messages are sent sequentially * * @author JohnFang (xiaojian.fxj@alibaba-inc.com). */ public class ControlSpoutOutputCollector implements IControlSpoutOutputCollector { private SpoutOutputCollector out; public ControlSpoutOutputCollector(SpoutOutputCollector out) { this.out = out; } public List<Integer> emit(String streamId, List<Object> tuple, Object messageId) { return out.emit(streamId, tuple, messageId); } public List<Integer> emit(List<Object> tuple, Object messageId) { return emit(Utils.DEFAULT_STREAM_ID, tuple, messageId); } public List<Integer> emit(List<Object> tuple) { return emit(tuple, null); } public List<Integer> emit(String streamId, List<Object> tuple) { return emit(streamId, tuple, null); } public void emitDirect(int taskId, String streamId, List<Object> tuple, Object messageId) { out.emitDirect(taskId, streamId, tuple, messageId); } public void emitDirect(int taskId, List<Object> tuple, Object messageId) { emitDirect(taskId, Utils.DEFAULT_STREAM_ID, tuple, messageId); } public void emitDirect(int taskId, String streamId, List<Object> tuple) { emitDirect(taskId, streamId, tuple, null); } public void emitDirect(int taskId, List<Object> tuple) { emitDirect(taskId, tuple, null); } public void reportError(Throwable error) { out.reportError(error); } public void flush() { out.flush(); } public List<Integer> emitCtrl(String streamId, List<Object> tuple, Object messageId) { return ((SpoutCollector) (out.getDelegate())).emitCtrl(streamId, tuple, messageId); } public List<Integer> emitCtrl(List<Object> tuple, Object messageId) { return emitCtrl(Utils.DEFAULT_STREAM_ID, tuple, messageId); } public List<Integer> emitCtrl(List<Object> tuple) { return emitCtrl(tuple, null); } public List<Integer> emitCtrl(String streamId, List<Object> tuple) { return emitCtrl(streamId, tuple, null); } public void emitDirectCtrl(int taskId, String streamId, List<Object> tuple, Object messageId) { ((SpoutCollector) (out.getDelegate())).emitDirectCtrl(taskId, streamId, tuple, messageId); } public void emitDirectCtrl(int taskId, List<Object> tuple, Object messageId) { emitDirectCtrl(taskId, Utils.DEFAULT_STREAM_ID, tuple, messageId); } public void emitDirectCtrl(int taskId, String streamId, List<Object> tuple) { emitDirectCtrl(taskId, streamId, tuple, null); } public void emitDirectCtrl(int taskId, List<Object> tuple) { emitDirectCtrl(taskId, tuple, null); } }