| /* |
| * 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 java.util.concurrent.ThreadLocalRandom; |
| |
| 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; |
| |
| /** |
| * Provides a Random function which returns a random long integer between a min |
| * (first argument) and a max (second argument). |
| * @since 1.9 |
| */ |
| public class Random extends AbstractFunction { |
| |
| private static final List<String> desc = new LinkedList<>(); |
| private static final String KEY = "__Random"; //$NON-NLS-1$ |
| |
| static { |
| desc.add(JMeterUtils.getResString("minimum_param")); //$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("maximum_param")); //$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("function_name_paropt")); //$NON-NLS-1$ |
| } |
| |
| private CompoundVariable varName, minimum, maximum; |
| |
| /** |
| * No-arg constructor. |
| */ |
| public Random() { |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String execute(SampleResult previousResult, Sampler currentSampler) |
| throws InvalidVariableException { |
| |
| |
| long min = Long.parseLong(minimum.execute().trim()); |
| long max = Long.parseLong(maximum.execute().trim()); |
| |
| long rand = ThreadLocalRandom.current().nextLong(min, max+1); |
| |
| String randString = Long.toString(rand); |
| |
| if (varName != null) { |
| JMeterVariables vars = getVariables(); |
| final String varTrim = varName.execute().trim(); |
| if (vars != null && varTrim.length() > 0){// vars will be null on TestPlan |
| vars.put(varTrim, randString); |
| } |
| } |
| |
| return randString; |
| |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException { |
| checkParameterCount(parameters, 2, 3); |
| Object[] values = parameters.toArray(); |
| |
| minimum = (CompoundVariable) values[0]; |
| maximum = (CompoundVariable) values[1]; |
| if (values.length>2){ |
| varName = (CompoundVariable) values[2]; |
| } else { |
| varName = null; |
| } |
| |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getReferenceKey() { |
| return KEY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public List<String> getArgumentDesc() { |
| return desc; |
| } |
| |
| } |