/*
* Copyright (C) 2010-2101 Alibaba Group Holding Limited.
*
* 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.
*/
package com.alibaba.otter.manager.biz.statistics.delay.impl;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.alibaba.otter.shared.common.utils.Assert;
import com.alibaba.otter.manager.biz.statistics.delay.DelayStatService;
import com.alibaba.otter.manager.biz.statistics.delay.dal.DelayStatDAO;
import com.alibaba.otter.manager.biz.statistics.delay.dal.dataobject.DelayStatDO;
import com.alibaba.otter.manager.biz.statistics.delay.param.DelayStatInfo;
import com.alibaba.otter.manager.biz.statistics.delay.param.TopDelayStat;
import com.alibaba.otter.shared.common.model.statistics.delay.DelayStat;
/**
* @author danping.yudp
*/
public class DelayStatServiceImpl implements DelayStatService {
private DelayStatDAO delayStatDao;
public DelayStatDAO getDelayStatDao() {
return delayStatDao;
}
public void setDelayStatDao(DelayStatDAO delayStatDao) {
this.delayStatDao = delayStatDao;
}
/**
* 在数据库中插入delayStat
*/
public void createDelayStat(DelayStat stat) {
Assert.assertNotNull(stat);
delayStatDao.insertDelayStat(delayStatModelToDo(stat));
}
/**
* 通过pipeLineId得到一个以gmtCreate倒排序的第一条记录
*/
public DelayStat findRealtimeDelayStat(Long pipelineId) {
Assert.assertNotNull(pipelineId);
DelayStatDO delayStatDO = delayStatDao.findRealtimeDelayStat(pipelineId);
DelayStat delayStat = new DelayStat();
if (delayStatDO != null) {
delayStat = delayStatDOToModel(delayStatDO);
}
return delayStat;
}
/**
* 列出pipeLineId下，start-end时间段下的delayStat
*/
public Map<Long, DelayStatInfo> listTimelineDelayStat(Long pipelineId, Date start, Date end) {
Map<Long, DelayStatInfo> delayStatInfos = new LinkedHashMap<Long, DelayStatInfo>();
List<DelayStatDO> delayStatDOs = delayStatDao.listTimelineDelayStatsByPipelineId(pipelineId, start, end);
int size = delayStatDOs.size();
int k = size - 1;
for (Long i = start.getTime(); i <= end.getTime(); i += 60 * 1000) {
DelayStatInfo delayStatInfo = new DelayStatInfo();
List<DelayStat> delayStats = new ArrayList<DelayStat>();
// 取出每个时间点i以内的数据，k是一个游标，每次遍历时前面已经取过了的数据就不用再遍历了
for (int j = k; j >= 0; --j) {
if ((i - delayStatDOs.get(j).getGmtModified().getTime() <= 60 * 1000)
&& (i - delayStatDOs.get(j).getGmtModified().getTime() >= 0)) {
delayStats.add(delayStatDOToModel(delayStatDOs.get(j)));
k = j - 1;
}// 如果不满足if条件，则后面的数据也不用再遍历
else {
break;
}
}
if (delayStats.size() > 0) {
delayStatInfo.setItems(delayStats);
delayStatInfos.put(i, delayStatInfo);
}
}
return delayStatInfos;
}
public List<TopDelayStat> listTopDelayStat(String searchKey, int topN) {
return delayStatDao.listTopDelayStatsByName(searchKey, topN);
}
/**
* 用于Model对象转化为DO对象
*
* @param delayStat
* @return DelayStatDO
*/
private DelayStatDO delayStatModelToDo(DelayStat delayStat) {
DelayStatDO delayStatDO = new DelayStatDO();
delayStatDO.setId(delayStat.getId());
delayStatDO.setDelayTime(delayStat.getDelayTime());
delayStatDO.setDelayNumber(delayStat.getDelayNumber());
delayStatDO.setPipelineId(delayStat.getPipelineId());
delayStatDO.setGmtCreate(delayStat.getGmtCreate());
delayStatDO.setGmtModified(delayStat.getGmtModified());
return delayStatDO;
}
/**
* 用于DO对象转化为Model对象
*
* @param delayStatDO
* @return DelayStat
*/
private DelayStat delayStatDOToModel(DelayStatDO delayStatDO) {
DelayStat delayStat = new DelayStat();
delayStat.setId(delayStatDO.getId());
delayStat.setDelayTime(delayStatDO.getDelayTime());
delayStat.setDelayNumber(delayStatDO.getDelayNumber());
delayStat.setPipelineId(delayStatDO.getPipelineId());
delayStat.setGmtCreate(delayStatDO.getGmtCreate());
delayStat.setGmtModified(delayStatDO.getGmtModified());
return delayStat;
}
}