/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* 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.druid.support.profile;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class ProfileStat {
private Map<ProfileEntryKey, ProfileEntryStat> entries = new LinkedHashMap<ProfileEntryKey, ProfileEntryStat>(4);
private ReadWriteLock lock = new ReentrantReadWriteLock();
public Map<ProfileEntryKey, ProfileEntryStat> getEntries() {
return entries;
}
public void record(Map<ProfileEntryKey, ProfileEntryReqStat> requestStatsMap) {
if (requestStatsMap == null) {
return;
}
for (Map.Entry<ProfileEntryKey, ProfileEntryReqStat> entry : requestStatsMap.entrySet()) {
ProfileEntryKey entryKey = entry.getKey();
ProfileEntryReqStat reqEntryStat = entry.getValue();
ProfileEntryStat entryStat = getProfileEntry(entryKey);
entryStat.addExecuteCount(reqEntryStat.getExecuteCount());
entryStat.addExecuteTimeNanos(reqEntryStat.getExecuteTimeNanos());
}
}
private ProfileEntryStat getProfileEntry(ProfileEntryKey entryKey) {
lock.readLock().lock();
try {
ProfileEntryStat entryStat = entries.get(entryKey);
if (entryStat != null) {
return entryStat;
}
} finally {
lock.readLock().unlock();
}
lock.writeLock().lock();
try {
ProfileEntryStat entryStat = entries.get(entryKey);
if (entryStat == null) {
entries.put(entryKey, new ProfileEntryStat());
entryStat = entries.get(entryKey);
}
return entryStat;
} finally {
lock.writeLock().unlock();
}
}
public List<Map<String, Object>> getStatData() {
List<ProfileEntryStatValue> statValueList = getStatValue(false);
int size = statValueList.size();
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(size);
for (ProfileEntryStatValue profileEntryStatValue : statValueList) {
list.add(profileEntryStatValue.getData());
}
return list;
}
public List<ProfileEntryStatValue> getStatValue(boolean reset) {
List<ProfileEntryStatValue> list = new ArrayList<ProfileEntryStatValue>();
lock.readLock().lock();
try {
for (Map.Entry<ProfileEntryKey, ProfileEntryStat> entry : entries.entrySet()) {
ProfileEntryStatValue entryStatValue = entry.getValue().getValue(reset);
entry.getKey().fillValue(entryStatValue);
list.add(entryStatValue);
}
} finally {
lock.readLock().unlock();
}
Collections.reverse(list);
return list;
}
}