| /** |
| * 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.spout; |
| |
| import java.util.List; |
| import org.apache.storm.task.IErrorReporter; |
| |
| /** |
| * Methods are not expected to be thread safe. Each thread expected to have a separate instance of this type of object, or else externally |
| * synchronize any shared instance. |
| */ |
| |
| public interface ISpoutOutputCollector extends IErrorReporter { |
| /** |
| * Returns the task ids that received the tuples. |
| */ |
| List<Integer> emit(String streamId, List<Object> tuple, Object messageId); |
| |
| void emitDirect(int taskId, String streamId, List<Object> tuple, Object messageId); |
| |
| long getPendingCount(); |
| |
| void flush(); |
| } |
| |