| /** |
| * 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.task; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import backtype.storm.tuple.Tuple; |
| import backtype.storm.tuple.TupleImpl; |
| |
| /** |
| * This output collector exposes the API for emitting tuples from an IRichBolt. |
| * This is the core API for emitting tuples. For a simpler API, and a more restricted |
| * form of stream processing, see IBasicBolt and BasicOutputCollector. |
| */ |
| public class OutputCollectorImpl extends OutputCollector { |
| private org.apache.heron.api.bolt.OutputCollector delegate; |
| |
| public OutputCollectorImpl(org.apache.heron.api.bolt.OutputCollector delegate) { |
| super(null); |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public List<Integer> emit(String streamId, Collection<Tuple> anchors, List<Object> tuple) { |
| if (anchors != null) { |
| ArrayList<org.apache.heron.api.tuple.Tuple> l = |
| new ArrayList<org.apache.heron.api.tuple.Tuple>(); |
| for (Tuple t : anchors) { |
| TupleImpl i = (TupleImpl) t; |
| l.add(i.getDelegate()); |
| } |
| return delegate.emit(streamId, l, tuple); |
| } else { |
| return delegate.emit(streamId, (Collection<org.apache.heron.api.tuple.Tuple>) null, tuple); |
| } |
| } |
| |
| @Override |
| public void emitDirect( |
| int taskId, String streamId, Collection<Tuple> anchors, List<Object> tuple) { |
| if (anchors != null) { |
| ArrayList<org.apache.heron.api.tuple.Tuple> l = |
| new ArrayList<org.apache.heron.api.tuple.Tuple>(); |
| for (Tuple t : anchors) { |
| TupleImpl i = (TupleImpl) t; |
| l.add(i.getDelegate()); |
| } |
| delegate.emitDirect(taskId, streamId, l, tuple); |
| } else { |
| delegate.emitDirect( |
| taskId, streamId, (Collection<org.apache.heron.api.tuple.Tuple>) null, tuple); |
| } |
| } |
| |
| @Override |
| public void ack(Tuple input) { |
| TupleImpl i = (TupleImpl) input; |
| delegate.ack(i.getDelegate()); |
| } |
| |
| @Override |
| public void fail(Tuple input) { |
| TupleImpl i = (TupleImpl) input; |
| delegate.fail(i.getDelegate()); |
| } |
| |
| @Override |
| public void reportError(Throwable error) { |
| delegate.reportError(error); |
| } |
| } |