| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.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; |
| |
| /** |
| * Counter that can be referenced anywhere in the Thread Group. It can be configured per User (Thread Local) |
| * or globally. |
| * @since 1.X |
| */ |
| public class IterationCounter extends AbstractFunction { |
| |
| private static final List<String> desc = new LinkedList<>(); |
| |
| private static final String KEY = "__counter"; //$NON-NLS-1$ |
| |
| private ThreadLocal<Integer> perThreadInt; |
| |
| private Object[] variables; |
| |
| private int globalCounter;//MAXINT = 2,147,483,647 |
| |
| private void init(){ // WARNING: called from ctor so must not be overridden (i.e. must be private or final) |
| synchronized(this){ |
| globalCounter=0; |
| } |
| perThreadInt = new ThreadLocal<Integer>(){ |
| @Override |
| protected Integer initialValue() { |
| return Integer.valueOf(0); |
| } |
| }; |
| } |
| |
| static { |
| desc.add(JMeterUtils.getResString("iteration_counter_arg_1")); //$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("function_name_paropt")); //$NON-NLS-1$ |
| } |
| |
| public IterationCounter() { |
| init(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String execute(SampleResult previousResult, Sampler currentSampler) |
| throws InvalidVariableException { |
| |
| JMeterVariables vars = getVariables(); |
| |
| boolean perThread = Boolean.parseBoolean(((CompoundVariable) variables[0]).execute()); |
| |
| String varName = ""; //$NON-NLS-1$ |
| if (variables.length >=2) {// Ensure variable has been provided |
| varName = ((CompoundVariable) variables[1]).execute().trim(); |
| } |
| |
| String counterString = ""; //$NON-NLS-1$ |
| |
| if (perThread) { |
| int threadCounter; |
| threadCounter = perThreadInt.get().intValue() + 1; |
| perThreadInt.set(Integer.valueOf(threadCounter)); |
| counterString = String.valueOf(threadCounter); |
| } else { |
| synchronized (this) { |
| globalCounter++; |
| counterString = String.valueOf(globalCounter); |
| } |
| } |
| |
| // vars will be null on Test Plan |
| if (vars != null && varName.length() > 0) { |
| vars.put(varName, counterString); |
| } |
| return counterString; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException { |
| checkParameterCount(parameters, 1, 2); |
| variables = parameters.toArray(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getReferenceKey() { |
| return KEY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public List<String> getArgumentDesc() { |
| return desc; |
| } |
| } |