| package org.apache.helix.model.builder; |
| |
| /* |
| * 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 org.apache.helix.model.IdealState.RebalanceMode; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| public class CustomModeISBuilder extends IdealStateBuilder { |
| |
| public CustomModeISBuilder(String resourceName) { |
| super(resourceName); |
| setRebalancerMode(RebalanceMode.CUSTOMIZED); |
| } |
| |
| /** |
| * Add a sub-resource |
| * @param partitionName |
| */ |
| public void add(String partitionName) { |
| if (_record.getMapField(partitionName) == null) { |
| _record.setMapField(partitionName, new TreeMap<String, String>()); |
| } |
| } |
| |
| /** |
| * add an instance->state assignment |
| * @param partitionName |
| * @param instanceName |
| * @param state |
| * @return |
| */ |
| public CustomModeISBuilder assignInstanceAndState(String partitionName, String instanceName, |
| String state) { |
| add(partitionName); |
| Map<String, String> partitionToInstanceStateMapping = _record.getMapField(partitionName); |
| partitionToInstanceStateMapping.put(instanceName, state); |
| return this; |
| } |
| |
| } |