/** * Copyright 2007-2010 Arthur Blake * * 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 net.sf.log4jdbc; /** * Common interface that all Spy classes can implement. * This is used so that any class that is being spied upon can transmit generic information about * itself to the whoever is doing the spying. * * @author Arthur Blake */ public interface Spy { /** * Get the type of class being spied upon. For example, "Statement", "ResultSet", etc. * * @return a description of the type of class being spied upon. */ public String getClassType(); /** * Get the connection number. In general, this is used to track which underlying connection is being * used from the database. The number will be incremented each time a new Connection is retrieved from the * real underlying jdbc driver. This is useful for debugging and tracking down problems with connection pooling. * * @return the connection instance number. */ public Integer getConnectionNumber(); }