/*
* 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 com.dangdang.ddframe.job.cloud.scheduler.config.job;
import com.dangdang.ddframe.job.reg.base.CoordinatorRegistryCenter;
import com.google.common.base.Optional;
import lombok.RequiredArgsConstructor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* 作业配置服务.
*
* @author zhangliang
*/
@RequiredArgsConstructor
public final class CloudJobConfigurationService {
private final CoordinatorRegistryCenter regCenter;
/**
* 添加云作业配置.
*
* @param jobConfig 云作业配置对象
*/
public void add(final CloudJobConfiguration jobConfig) {
regCenter.persist(CloudJobConfigurationNode.getRootNodePath(jobConfig.getJobName()), CloudJobConfigurationGsonFactory.toJson(jobConfig));
}
/**
* 修改云作业配置.
*
* @param jobConfig 云作业配置对象
*/
public void update(final CloudJobConfiguration jobConfig) {
regCenter.update(CloudJobConfigurationNode.getRootNodePath(jobConfig.getJobName()), CloudJobConfigurationGsonFactory.toJson(jobConfig));
}
/**
* 获取所有注册的云作业配置.
*
* @return 注册的云作业配置
*/
public Collection<CloudJobConfiguration> loadAll() {
if (!regCenter.isExisted(CloudJobConfigurationNode.ROOT)) {
return Collections.emptyList();
}
List<String> jobNames = regCenter.getChildrenKeys(CloudJobConfigurationNode.ROOT);
Collection<CloudJobConfiguration> result = new ArrayList<>(jobNames.size());
for (String each : jobNames) {
Optional<CloudJobConfiguration> config = load(each);
if (config.isPresent()) {
result.add(config.get());
}
}
return result;
}
/**
* 根据作业名称获取云作业配置.
*
* @param jobName 作业名称
* @return 云作业配置
*/
public Optional<CloudJobConfiguration> load(final String jobName) {
return Optional.fromNullable(CloudJobConfigurationGsonFactory.fromJson(regCenter.get(CloudJobConfigurationNode.getRootNodePath(jobName))));
}
/**
* 删除云作业.
*
* @param jobName 作业名称
*/
public void remove(final String jobName) {
regCenter.remove(CloudJobConfigurationNode.getRootNodePath(jobName));
}
}