| /* |
| * 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.samza.container.grouper.task; |
| |
| import org.apache.samza.config.Config; |
| import org.apache.samza.config.JobConfig; |
| import org.apache.samza.container.TaskName; |
| import org.apache.samza.job.model.ContainerModel; |
| import org.apache.samza.job.model.TaskModel; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class SingleContainerGrouperFactory implements TaskNameGrouperFactory { |
| @Override |
| public TaskNameGrouper build(Config config) { |
| return new SingleContainerGrouper(config.get(JobConfig.PROCESSOR_ID())); |
| } |
| } |
| |
| class SingleContainerGrouper implements TaskNameGrouper { |
| private final String containerId; |
| |
| SingleContainerGrouper(String containerId) { |
| this.containerId = containerId; |
| } |
| |
| @Override |
| public Set<ContainerModel> group(Set<TaskModel> taskModels) { |
| Map<TaskName, TaskModel> taskNameTaskModelMap = new HashMap<>(); |
| for (TaskModel taskModel: taskModels) { |
| taskNameTaskModelMap.put(taskModel.getTaskName(), taskModel); |
| } |
| ContainerModel containerModel = new ContainerModel(containerId, -1, taskNameTaskModelMap); |
| return Collections.singleton(containerModel); |
| } |
| } |