| /* |
| * Copyright 1999-2015 dangdang.com. |
| * <p> |
| * Licensed 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. |
| * </p> |
| */ |
| |
| package io.elasticjob.cloud.scheduler.ha; |
| |
| import io.elasticjob.cloud.scheduler.mesos.SchedulerService; |
| import io.elasticjob.cloud.reg.base.ElectionCandidate; |
| import io.elasticjob.cloud.exception.JobSystemException; |
| import io.elasticjob.cloud.reg.base.CoordinatorRegistryCenter; |
| |
| /** |
| * 调度器选举候选人. |
| * |
| * @author caohao |
| */ |
| public final class SchedulerElectionCandidate implements ElectionCandidate { |
| |
| private final CoordinatorRegistryCenter regCenter; |
| |
| private SchedulerService schedulerService; |
| |
| public SchedulerElectionCandidate(final CoordinatorRegistryCenter regCenter) { |
| this.regCenter = regCenter; |
| } |
| |
| @Override |
| public void startLeadership() throws Exception { |
| try { |
| schedulerService = new SchedulerService(regCenter); |
| schedulerService.start(); |
| //CHECKSTYLE:OFF |
| } catch (final Throwable throwable) { |
| throw new JobSystemException(throwable); |
| } |
| } |
| |
| @Override |
| public void stopLeadership() { |
| schedulerService.stop(); |
| } |
| } |