| package org.apache.helix; |
| |
| /* |
| * 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.Arrays; |
| import java.util.List; |
| |
| import org.apache.helix.monitoring.mbeans.MonitorDomainNames; |
| |
| /** |
| * CONTROLLER: cluster managing component is a controller |
| * PARTICIPANT: participate in the cluster state changes |
| * SPECTATOR: interested in the state changes in the cluster |
| * CONTROLLER_PARTICIPANT: |
| * special participant that competes for the leader of CONTROLLER_CLUSTER |
| * used in cluster controller of distributed mode {@HelixControllerMain} |
| */ |
| public enum InstanceType { |
| CONTROLLER(new String[] { |
| MonitorDomainNames.ClusterStatus.name(), |
| MonitorDomainNames.HelixZkClient.name(), |
| MonitorDomainNames.HelixCallback.name(), |
| MonitorDomainNames.Rebalancer.name(), |
| MonitorDomainNames.AggregatedView.name() |
| }), |
| |
| PARTICIPANT(new String[] { |
| MonitorDomainNames.CLMParticipantReport.name(), |
| MonitorDomainNames.HelixZkClient.name(), |
| MonitorDomainNames.HelixCallback.name(), |
| MonitorDomainNames.HelixThreadPoolExecutor.name() |
| }), |
| |
| CONTROLLER_PARTICIPANT(new String[] { |
| MonitorDomainNames.ClusterStatus.name(), |
| MonitorDomainNames.HelixZkClient.name(), |
| MonitorDomainNames.HelixCallback.name(), |
| MonitorDomainNames.HelixThreadPoolExecutor.name(), |
| MonitorDomainNames.CLMParticipantReport.name(), |
| MonitorDomainNames.Rebalancer.name(), |
| MonitorDomainNames.AggregatedView.name() |
| }), |
| |
| SPECTATOR(new String[] { |
| MonitorDomainNames.HelixZkClient.name() |
| }), |
| |
| ADMINISTRATOR(new String[] { |
| MonitorDomainNames.HelixZkClient.name() |
| }); |
| |
| private final String[] _monitorDomains; |
| |
| InstanceType(String[] monitorDomains) { |
| _monitorDomains = monitorDomains; |
| } |
| |
| public List<String> getActiveMBeanDomains() { |
| return Arrays.asList(_monitorDomains); |
| } |
| } |