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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
<modelVersion>4.0.0</modelVersion> | ||
<parent> | ||
<groupId>org.dromara.dynamictp</groupId> | ||
<artifactId>dynamic-tp-extension</artifactId> | ||
<version>${revision}</version> | ||
<relativePath>../pom.xml</relativePath> | ||
</parent> | ||
<artifactId>dynamic-tp-extension-agent</artifactId> | ||
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<dependencies> | ||
</dependencies> | ||
</project> |
151 changes: 151 additions & 0 deletions
151
extension/extension-agent/src/main/java/org/dromara/dynamictp/core/aware/AgentAware.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You 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. | ||
*/ | ||
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package org.dromara.dynamictp.core.aware; | ||
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import cn.hutool.core.util.ArrayUtil; | ||
import lombok.extern.slf4j.Slf4j; | ||
import org.apache.commons.collections4.CollectionUtils; | ||
import org.dromara.dynamictp.core.support.task.runnable.DtpRunnable; | ||
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import java.lang.ref.SoftReference; | ||
import java.lang.reflect.Field; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
import java.util.Map; | ||
import java.util.Objects; | ||
import java.util.concurrent.ConcurrentHashMap; | ||
import java.util.concurrent.Executor; | ||
import java.util.stream.Collectors; | ||
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import static org.dromara.dynamictp.common.constant.DynamicTpConst.DTP_EXECUTE_ENHANCED; | ||
import static org.dromara.dynamictp.common.constant.DynamicTpConst.FALSE_STR; | ||
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/** | ||
* deal agent wrapper | ||
* @author txbao | ||
*/ | ||
@Slf4j | ||
@SuppressWarnings("all") | ||
public class AgentAware extends TaskStatAware { | ||
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/** | ||
* dtpRunnableCache key -> Runnable value -> DtpRunnable | ||
*/ | ||
private final Map<Runnable, SoftReference<DtpRunnable>> dtpRunnableCache = new ConcurrentHashMap<>(); | ||
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@Override | ||
public int getOrder() { | ||
return Integer.MIN_VALUE; | ||
} | ||
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@Override | ||
public String getName() { | ||
return "agent"; | ||
} | ||
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private DtpRunnable determineDtpRunnable(List<Field> conditionalFields, Runnable r) throws IllegalAccessException { | ||
for (Field field : conditionalFields) { | ||
if (Objects.isNull(field)) { | ||
continue; | ||
} | ||
field.setAccessible(true); | ||
Runnable o = (Runnable) field.get(r); | ||
if (o instanceof DtpRunnable) { | ||
return (DtpRunnable) o; | ||
} | ||
// 纵向查找 | ||
DtpRunnable dtpRunnable = getDtpRunnable(o.getClass(), o); | ||
if (dtpRunnable != null) { | ||
return dtpRunnable; | ||
} | ||
} | ||
return null; | ||
} | ||
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private DtpRunnable getDtpRunnable(Class<? extends Runnable> rClass, Runnable r) throws IllegalAccessException { | ||
while (Runnable.class.isAssignableFrom(rClass)) { | ||
Field[] declaredFields = rClass.getDeclaredFields(); | ||
if (ArrayUtil.isNotEmpty(declaredFields)) { | ||
List<Field> conditionFields = Arrays.stream(declaredFields) | ||
.filter(ele -> Runnable.class.isAssignableFrom(ele.getType())) | ||
.collect(Collectors.toList()); | ||
if (CollectionUtils.isNotEmpty(conditionFields)) { | ||
DtpRunnable dtpRunnable = determineDtpRunnable(conditionFields, r); | ||
if (Objects.nonNull(dtpRunnable)) { | ||
return dtpRunnable; | ||
} | ||
} | ||
} | ||
if (!Runnable.class.isAssignableFrom(rClass.getSuperclass())) { | ||
break; | ||
} | ||
rClass = (Class<? extends Runnable>) rClass.getSuperclass(); | ||
} | ||
return null; | ||
} | ||
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private Runnable getDtpRunnableInstance(Runnable r) { | ||
if (r instanceof DtpRunnable) { | ||
return r; | ||
} | ||
DtpRunnable dtpRunnable = null; | ||
Class<? extends Runnable> rClass = r.getClass(); | ||
try { | ||
dtpRunnable = getDtpRunnable(rClass, r); | ||
} catch (IllegalAccessException e) { | ||
log.error("getDtpRunnable Error", e); | ||
} | ||
if (dtpRunnable == null) { | ||
if (log.isWarnEnabled()) { | ||
log.warn("DynamicTp aware [{}], can not find DtpRunnable.", getName()); | ||
} | ||
return r; | ||
} | ||
return dtpRunnable; | ||
} | ||
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@Override | ||
public Runnable beforeExecuteWrap(Executor executor, Thread t, Runnable r) { | ||
Runnable runnableWrap = getDtpRunnableInstance(r); | ||
if (runnableWrap instanceof DtpRunnable) { | ||
dtpRunnableCache.put(r, new SoftReference<>((DtpRunnable) runnableWrap)); | ||
} else { | ||
// 被封装的wrapper没有找到DtpRunnable对象,那么就关闭某些监控指标,防止内存溢出 | ||
System.setProperty(DTP_EXECUTE_ENHANCED, FALSE_STR); | ||
} | ||
return runnableWrap; | ||
} | ||
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@Override | ||
public Runnable afterExecuteWrap(Executor executor, Runnable r, Throwable t) { | ||
SoftReference<DtpRunnable> remove = dtpRunnableCache.remove(r); | ||
if (remove != null) { | ||
return remove.get(); | ||
} | ||
return getDtpRunnableInstance(r); | ||
} | ||
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@Override | ||
public Runnable beforeRejectWrap(Runnable r, Executor executor) { | ||
SoftReference<DtpRunnable> remove = dtpRunnableCache.remove(r); | ||
if (remove != null) { | ||
return remove.get(); | ||
} | ||
return getDtpRunnableInstance(r); | ||
} | ||
} |
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...agent/src/main/resources/META-INF/services/org.dromara.dynamictp.core.aware.ExecutorAware
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org.dromara.dynamictp.core.aware.AgentAware |
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