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The source code// $Header: /home/cvs/jakarta-jmeter/src/functions/org/apache/jmeter/functions/IterationCounter.java,v 1.13 2004/02/10 00:35:12 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.functions; import java.io.Serializable; import java.util.Collection; import java.util.LinkedList; import java.util.List; import org.apache.jmeter.engine.util.CompoundVariable; import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.samplers.Sampler; import org.apache.jmeter.threads.JMeterVariables; import org.apache.jmeter.util.JMeterUtils; public class IterationCounter extends AbstractFunction implements Serializable { private static final List desc = new LinkedList(); private static final String KEY = "__counter"; static { desc.add(JMeterUtils.getResString("iteration_counter_arg_1")); desc.add(JMeterUtils.getResString("function_name_param")); } private Object[] variables; private int[] counter; public IterationCounter() { counter = new int[1]; } public Object clone() { IterationCounter newCounter = new IterationCounter(); newCounter.counter = counter; return newCounter; } /* (non-Javadoc) * @see org.apache.jmeter.functions.Function#execute(SampleResult, Sampler) */ public synchronized String execute( SampleResult previousResult, Sampler currentSampler) throws InvalidVariableException { counter[0]++; JMeterVariables vars = getVariables(); boolean perThread = Boolean.valueOf(((CompoundVariable) variables[0]).execute()).booleanValue(); String varName = ((CompoundVariable) variables[variables.length - 1]).execute(); String counterString = ""; if (perThread) { counterString = Integer.toString(vars.getIteration()); } else { counterString = String.valueOf(counter[0]); } vars.put(varName, counterString); return counterString; } /* (non-Javadoc) * @see org.apache.jmeter.functions.Function#setParameters(Collection) */ public void setParameters(Collection parameters) throws InvalidVariableException { variables = parameters.toArray(); if (variables.length < 2) { throw new InvalidVariableException("Fewer than 2 parameters"); } } /* (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; } } |
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