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The source code

// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/testelement/property/MultiProperty.java,v 1.8 2004/02/13 02:40:53 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
 *
 *   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.testelement.property;

import org.apache.jmeter.testelement.TestElement;

/**
 * For JMeterProperties that hold multiple properties within, provides a simple
 * interface for retrieving a property iterator for the sub values.
 * 
 * @version $Revision: 1.8 $
 */
public abstract class MultiProperty extends AbstractProperty
{
    public MultiProperty()
    {
        super();
    }

    public MultiProperty(String name)
    {
        super(name);
    }
    
    /**
     * Get the property iterator to iterate through the sub-values of this
     * JMeterProperty.
     * 
     * @return an iterator for the sub-values of this property
     */
    public abstract PropertyIterator iterator();
    
    /**
     * Add a property to the collection.
     */
    public abstract void addProperty(JMeterProperty prop);
    
    /**
     * Clear away all values in the property.
     */
    public abstract void clear();


    public void setRunningVersion(boolean running)
    {
        super.setRunningVersion(running);
        PropertyIterator iter = iterator();
        while (iter.hasNext())
        {
            iter.next().setRunningVersion(running);
        }
    }

    protected void recoverRunningVersionOfSubElements(TestElement owner)
    {
        PropertyIterator iter = iterator();
        while (iter.hasNext())
        {
            JMeterProperty prop = iter.next();
            if (owner.isTemporary(prop))
            {
                iter.remove();
            }
            else
            {
                prop.recoverRunningVersion(owner);
            }
        }
    }

    public void mergeIn(JMeterProperty prop)
    {
        if (prop.getObjectValue() == getObjectValue())
        {
            return;
        }
        log.debug("merging in " + prop.getClass());
        if (prop instanceof MultiProperty)
        {
            PropertyIterator iter = ((MultiProperty) prop).iterator();
            while (iter.hasNext())
            {
                JMeterProperty item = iter.next();
                addProperty(item);
            }
        }
        else
        {
            addProperty(prop);
        }
    }
}
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