com.alibaba.druid.support.spring.stat.DruidStatInterceptor Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid Show documentation
Show all versions of druid Show documentation
An JDBC datasource implementation.
/*
* Copyright 1999-2018 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.spring.stat;
import com.alibaba.druid.filter.stat.StatFilterContext;
import com.alibaba.druid.filter.stat.StatFilterContextListenerAdapter;
import com.alibaba.druid.support.logging.Log;
import com.alibaba.druid.support.logging.LogFactory;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.aop.TargetSource;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import java.lang.reflect.Method;
public class DruidStatInterceptor implements MethodInterceptor, InitializingBean, DisposableBean {
public static final String PROP_NAME_PROFILE = "druid.profile";
private static final Log LOG = LogFactory.getLog(DruidStatInterceptor.class);
private static SpringStat springStat = new SpringStat();
private SpringMethodContextListener statContextListener = new SpringMethodContextListener();
public DruidStatInterceptor() {
}
@Override
public void afterPropertiesSet() throws Exception {
SpringStatManager.getInstance().addSpringStat(springStat);
StatFilterContext.getInstance().addContextListener(statContextListener);
}
@Override
public void destroy() throws Exception {
StatFilterContext.getInstance().removeContextListener(statContextListener);
}
@Override
public Object invoke(MethodInvocation invocation) throws Throwable {
SpringMethodStat lastMethodStat = SpringMethodStat.current();
SpringMethodInfo methodInfo = getMethodInfo(invocation);
SpringMethodStat methodStat = springStat.getMethodStat(methodInfo, true);
if (methodStat != null) {
methodStat.beforeInvoke();
}
long startNanos = System.nanoTime();
Throwable error = null;
try {
return invocation.proceed();
} catch (Throwable e) {
error = e;
throw e;
} finally {
long endNanos = System.nanoTime();
long nanos = endNanos - startNanos;
if (methodStat != null) {
methodStat.afterInvoke(error, nanos);
}
SpringMethodStat.setCurrent(lastMethodStat);
}
}
public SpringMethodInfo getMethodInfo(MethodInvocation invocation) {
Object thisObject = invocation.getThis();
Method method = invocation.getMethod();
if (thisObject == null) {
return new SpringMethodInfo(method.getDeclaringClass(), method);
}
if (method.getDeclaringClass() == thisObject.getClass()) {
return new SpringMethodInfo(method.getDeclaringClass(), method);
}
{
Class clazz = thisObject.getClass();
boolean isCglibProxy = false;
boolean isJavassistProxy = false;
for (Class item : clazz.getInterfaces()) {
if (item.getName().equals("net.sf.cglib.proxy.Factory")) {
isCglibProxy = true;
break;
} else if (item.getName().equals("javassist.util.proxy.ProxyObject")) {
isJavassistProxy = true;
break;
}
}
if (isCglibProxy || isJavassistProxy) {
Class superClazz = clazz.getSuperclass();
return new SpringMethodInfo(superClazz, method);
}
}
Class clazz = null;
try {
// 最多支持10层代理
for (int i = 0; i < 10; ++i) {
if (thisObject instanceof org.springframework.aop.framework.Advised) {
TargetSource targetSource = ((org.springframework.aop.framework.Advised) thisObject).getTargetSource();
if (targetSource == null) {
break;
}
Object target = targetSource.getTarget();
if (target != null) {
thisObject = target;
} else {
clazz = targetSource.getTargetClass();
break;
}
} else {
break;
}
}
} catch (Exception ex) {
LOG.error("getMethodInfo error", ex);
}
if (clazz == null) {
return new SpringMethodInfo(method.getDeclaringClass(), method);
}
return new SpringMethodInfo(clazz, method);
}
static class SpringMethodContextListener extends StatFilterContextListenerAdapter {
@Override
public void addUpdateCount(int updateCount) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.addJdbcUpdateCount(updateCount);
}
}
@Override
public void addFetchRowCount(int fetchRowCount) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.addJdbcFetchRowCount(fetchRowCount);
}
}
@Override
public void executeBefore(String sql, boolean inTransaction) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcExecuteCount();
}
}
@Override
public void executeAfter(String sql, long nanos, Throwable error) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.addJdbcExecuteTimeNano(nanos);
if (error != null) {
springMethodStat.incrementJdbcExecuteErrorCount();
}
}
}
@Override
public void commit() {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcCommitCount();
}
}
@Override
public void rollback() {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcRollbackCount();
}
}
@Override
public void pool_connect() {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcPoolConnectionOpenCount();
}
}
@Override
public void pool_close(long nanos) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcPoolConnectionCloseCount();
}
}
@Override
public void resultSet_open() {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcResultSetOpenCount();
}
}
@Override
public void resultSet_close(long nanos) {
SpringMethodStat springMethodStat = SpringMethodStat.current();
if (springMethodStat != null) {
springMethodStat.incrementJdbcResultSetCloseCount();
}
}
}
}