package com.alipay.bluewhale.core.callback.impl;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.apache.log4j.Logger;
import backtype.storm.Config;
import com.alipay.bluewhale.core.callback.BaseCallback;
import com.alipay.bluewhale.core.cluster.StormStatus;
import com.alipay.bluewhale.core.daemon.NimbusData;
import com.alipay.bluewhale.core.daemon.NimbusUtils;
import com.alipay.bluewhale.core.daemon.StatusType;
import com.alipay.bluewhale.core.schedule.DelayEventRunnable;
/**
* ��topology״̬����Ϊkilled���ӳٺ�ִ��remove����
*
*/
public class KillTransitionCallback extends BaseCallback {
private static Logger LOG = Logger.getLogger(KillTransitionCallback.class);
private NimbusData data;
private String topologyid;
private StormStatus oldStatus;
public KillTransitionCallback(NimbusData data, String topologyid, StormStatus status) {
this.data=data;
this.topologyid=topologyid;
this.oldStatus=status;
}
@Override
public <T> Object execute(T... args) {
int delaySecs;
if(args==null||args.length==0){
Map<?,?> map=NimbusUtils.readStormConf(data.getConf(), topologyid);
delaySecs=(Integer)map.get(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS);
}else{
delaySecs=(Integer) args[0];
}
LOG.info("Delaying event " + StatusType.remove.getStatus() + " for " + delaySecs + " secs for " + topologyid);
data.getScheduExec().schedule(new DelayEventRunnable(data,topologyid,StatusType.remove), delaySecs, TimeUnit.SECONDS);
return new StormStatus(delaySecs, StatusType.killed, oldStatus);
}
}