| package org.apache.helix.controller.stages; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.helix.controller.common.PartitionStateMap; |
| import org.apache.helix.controller.common.ResourcesStateMap; |
| import org.apache.helix.model.Partition; |
| |
| /** |
| * Output for BestPossibleStateCalStage. |
| */ |
| public class BestPossibleStateOutput extends ResourcesStateMap { |
| /* resource -> partition -> preference list */ |
| private Map<String, Map<String, List<String>>> _preferenceLists; |
| /** |
| * Deprecated, use getResourceStatesMap instead. |
| * |
| * @param resourceName |
| * @return |
| */ |
| // TODO: remove this. |
| @Deprecated |
| public Map<Partition, Map<String, String>> getResourceMap(String resourceName) { |
| PartitionStateMap map = _resourceStateMap.get(resourceName); |
| if (map != null) { |
| return map.getStateMap(); |
| } |
| return Collections.emptyMap(); |
| } |
| |
| /** |
| * Deprecated, use getResourceStatesMap instead. |
| * |
| * @return |
| */ |
| // TODO: remove this. |
| @Deprecated |
| public Map<String, Map<Partition, Map<String, String>>> getStateMap() { |
| Map<String, Map<Partition, Map<String, String>>> stateMap = |
| new HashMap<String, Map<Partition, Map<String, String>>>(); |
| for (Map.Entry<String, PartitionStateMap> e : _resourceStateMap.entrySet()) { |
| stateMap.put(e.getKey(), e.getValue().getStateMap()); |
| } |
| return stateMap; |
| } |
| |
| public Map<String, Map<String, List<String>>> getPreferenceLists() { |
| return _preferenceLists; |
| } |
| |
| public Map<String, List<String>> getPreferenceLists(String resource) { |
| if (_preferenceLists != null && _preferenceLists.containsKey(resource)) { |
| return _preferenceLists.get(resource); |
| } |
| |
| return null; |
| } |
| |
| public List<String> getPreferenceList(String resource, String partition) { |
| if (_preferenceLists != null && _preferenceLists.containsKey(resource) && _preferenceLists |
| .get(resource).containsKey(partition)) { |
| return _preferenceLists.get(resource).get(partition); |
| } |
| |
| return null; |
| } |
| |
| public void setPreferenceList(String resource, String partition, List<String> list) { |
| if (_preferenceLists == null) { |
| _preferenceLists = new HashMap<>(); |
| } |
| if (!_preferenceLists.containsKey(resource)) { |
| _preferenceLists.put(resource, new HashMap<String, List<String>>()); |
| } |
| _preferenceLists.get(resource).put(partition, list); |
| } |
| |
| public void setPreferenceLists(String resource, |
| Map<String, List<String>> resourcePreferenceLists) { |
| if (_preferenceLists == null) { |
| _preferenceLists = new HashMap<>(); |
| } |
| _preferenceLists.put(resource, resourcePreferenceLists); |
| } |
| |
| protected boolean containsResource(String resource) { |
| return _preferenceLists != null && _preferenceLists.containsKey(resource); |
| } |
| } |