// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/samplers/Entry.java,v 1.7 2004/02/13 02:21:38 sebb Exp $
/*
 * Copyright 2001-2004 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
 *
 *   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 org.apache.jmeter.samplers;

import java.util.HashMap;
//import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
//import java.util.Set;

import org.apache.jmeter.assertions.Assertion;
import org.apache.jmeter.config.ConfigElement;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

/**
 * @author     Michael Stover
 * @version    $Revision: 1.7 $
 */
public class Entry
{
    transient private static Logger log = LoggingManager.getLoggerForClass();
    Map configSet;
    //Set clonedSet;
    Class sampler;
    List assertions;

    public Entry()
    {
        configSet = new HashMap();
        //clonedSet = new HashSet();
        assertions = new LinkedList();
    }

    public void addAssertion(Assertion assertion)
    {
        assertions.add(assertion);
    }

    public List getAssertions()
    {
        return assertions;
    }

    public void setSamplerClass(Class samplerClass)
    {
        this.sampler = samplerClass;
    }

    public Class getSamplerClass()
    {
        return this.sampler;
    }

    public ConfigElement getConfigElement(Class configClass)
    {
        return (ConfigElement) configSet.get(configClass);
    }

    public void addConfigElement(ConfigElement config)
    {
        addConfigElement(config, config.getClass());
    }

    /**
     * Add a config element as a specific class.  Usually this is done to add a
     * subclass as one of it's parent classes.
     */
    public void addConfigElement(ConfigElement config, Class asClass)
    {
        if (config != null)
        {
            ConfigElement current = (ConfigElement) configSet.get(asClass);
            if (current == null)
            {
                configSet.put(asClass, cloneIfNecessary(config));
            }
            else
            {
                current.addConfigElement(config);
            }
        }
    }

    private ConfigElement cloneIfNecessary(ConfigElement config)
    {
        if (config.expectsModification())
        {
            return config;
        }
        else
        {
            return (ConfigElement) config.clone();
        }
    }

    public Object clone()
    {
        try
        {
            return super.clone();
        }
        catch (Exception ex)
        {
            log.error("", ex);
        }
        return null;
    }
}