/**
* Copyright 2016 vip.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.vip.saturn.job.sharding.listener;
import org.apache.curator.framework.recipes.cache.TreeCacheEvent.Type;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.vip.saturn.job.sharding.node.SaturnExecutorsNode;
import com.vip.saturn.job.sharding.service.NamespaceShardingService;
/**
* @author yangjuanying
*/
public class SaturnExecutorsShardingTriggerShardingListener extends AbstractTreeCacheListener{
static Logger log = LoggerFactory.getLogger(SaturnExecutorsShardingTriggerShardingListener.class);
private NamespaceShardingService namespaceShardingService;
public SaturnExecutorsShardingTriggerShardingListener(NamespaceShardingService namespaceShardingService) {
this.namespaceShardingService = namespaceShardingService;
}
@Override
public void childEvent(Type type, String path, String nodeData) throws Exception {
if(isShardAllAtOnce(type,path)) {
log.info("msg=shard-all-at-once triggered.");
namespaceShardingService.asyncShardingWhenExecutorAll();
}
}
private boolean isShardAllAtOnce(Type type, String path) {
return type == Type.NODE_ADDED && SaturnExecutorsNode.getExecutorShardingNodePath("shardAllAtOnce").equals(path);
}
}