Java tutorial
/* * 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. */ package com.qbao.cat.plugin.db.nosql; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Pointcut; import com.dianping.cat.Cat; import com.dianping.cat.message.Transaction; import com.mongodb.DBCollection; import com.qbao.cat.plugin.DefaultPluginTemplate; /** * <a href="https://stackoverflow.com/questions/29364787/mongocollection-versus-dbcollection-java"> * https://stackoverflow.com/questions/29364787/mongocollection-versus-dbcollection-java</a> * 3.0MongoCollection, DbCollection * @author andersen * */ @Aspect public abstract class OldMongoPluginTemplate extends DefaultPluginTemplate { @Pointcut public void scope() { } @Around(POINTCUT_NAME) public Object doAround(ProceedingJoinPoint pjp) throws Throwable { return super.doAround(pjp); } protected Transaction beginLog(ProceedingJoinPoint pjp) { Transaction transaction = null; transaction = newTransaction("MongoDB", String.valueOf(pjp.getSignature().toShortString())); DBCollection collector = (DBCollection) pjp.getTarget(); Cat.logEvent("Host", collector.getDB().getMongo().getServerAddressList().toString()); Cat.logEvent("Connection", collector.toString()); Cat.logEvent("DB", collector.getDB().getName()); Cat.logEvent("Method", pjp.getSignature().toString()); return transaction; } @Override protected void endLog(Transaction transaction, Object retVal, Object... params) { } }