// $Header$
/*
 * 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.functions;

import java.io.Serializable;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;

/**
 * @version $Revision$
 */
public class ThreadNumber implements Function, Serializable {

	private static final String KEY = "__threadNum";

	private static final List desc = new LinkedList();

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.jmeter.functions.Function#execute(SampleResult, Sampler)
	 */
	public String execute(SampleResult previousResult, Sampler currentSampler) throws InvalidVariableException {
		return Thread.currentThread().getName().substring(Thread.currentThread().getName().lastIndexOf("-") + 1);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.jmeter.functions.Function#setParameters(Collection)
	 */
	public void setParameters(Collection parameters) throws InvalidVariableException {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.jmeter.functions.Function#getReferenceKey()
	 */
	public String getReferenceKey() {
		return KEY;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.jmeter.functions.Function#getArgumentDesc()
	 */
	public List getArgumentDesc() {
		return desc;
	}
}

@@ -1,16 +1,4 @@
-// $Header$%0A
 /*%0A 
@@ -868,27 +868,50 @@
 %0A * 
-@version $Revision$
+TODO: should this extend AbstractFunction?
 %0A */

Add TODO