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This file is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

// $Header: /home/cvs/jakarta-jmeter/src/protocol/http/org/apache/jmeter/protocol/http/util/accesslog/,v 1.4 2004/02/12 00:29:48 sebb Exp $
 * Copyright 2003-2004 The Apache Software Foundation.
 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.jmeter.protocol.http.util.accesslog;

 * Description:
* Generator is a base interface that defines * the minimum methods needed to implement a * concrete generator. The reason for creating * this interface is eventually JMeter could * use the logs directly rather than pre- * process the logs into a JMeter .jmx file. * In situations where a test plan simulates * load from production logs, it is more * efficient for JMeter to use the logs * directly.

* From first hand experience, loading a test * plan with 10K or more Requests requires a * lot of memory. It's important to keep in * mind this type of testing is closer to * functional and regression testing than the * typical stress tests. Typically, this kind * of testing is most useful for search sites * that get a large number of requests per * day, but the request parameters vary * dramatically. E-commerce sites typically * have limited inventory, therefore it is * better to design test plans that use data * from the database. *

* @author Peter Lin * @version $Revision: 1.4 $ last updated on $Date: 2004/02/12 00:29:48 $ * Created on: Jun 23, 2003
*/ public interface Generator { /** * close the generator */ public void close(); /** * The host is the name of the server. * @param host */ public void setHost(String host); /** * This is the label for the request, * which is used in the logs and * results. * @param label */ public void setLabel(String label); /** * The method is the HTTP request * method. It's normally POST or GET. * @param post_get */ public void setMethod(String post_get); /** * Set the request parameters * @param params */ public void setParams(NVPair[] params); /** * The path is the web page you want * to test. * @param path */ public void setPath(String path); /** * The default port for HTTP is 80, * but not all servers run on that * port. * @param port - port number */ public void setPort(int port); /** * Set the querystring for the request * if the method is GET. * @param querystring */ public void setQueryString(String querystring); /** * The source logs is the location * where the access log resides. * @param sourcefile */ public void setSourceLogs(String sourcefile); /** * The target can be either a * or a Sampler. We make it generic, so * that later on we can use these classes * directly from a HTTPSampler. * @param target */ public void setTarget(Object target); /** * The method is responsible for calling * the necessary methods to generate a * valid request. If the generator is * used to pre-process access logs, the * method wouldn't return anything. If * the generator is used by a control * element, it should return the correct * Sampler class with the required * fields set. */ public Object generateRequest(); /** * If the generator is converting the logs * to a .jmx file, save should be called. */ public void save(); /** * The purpose of the reset is so Samplers * can explicitly call reset to create a * new instance of HTTPSampler. * */ public void reset(); }

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