| /** |
| * 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.grouping; |
| |
| import java.util.List; |
| |
| import org.apache.storm.generated.GlobalStreamId; |
| import org.apache.storm.task.TopologyContext; |
| |
| public class CustomStreamGroupingDelegate implements |
| org.apache.heron.api.grouping.CustomStreamGrouping { |
| private static final long serialVersionUID = -7310525506102399193L; |
| private CustomStreamGrouping delegate; |
| |
| public CustomStreamGroupingDelegate(CustomStreamGrouping delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public void prepare(org.apache.heron.api.topology.TopologyContext context, |
| String component, String streamId, |
| List<Integer> targetTasks) { |
| TopologyContext c = new TopologyContext(context); |
| GlobalStreamId g = new GlobalStreamId(component, streamId); |
| delegate.prepare(c, g, targetTasks); |
| } |
| |
| @Override |
| public List<Integer> chooseTasks(List<Object> values) { |
| return delegate.chooseTasks(-1, values); |
| } |
| } |