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Rogue.java
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Rogue.java
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/*
* Copyright 2016-2018 the original author or authors.
*
* 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 com.creactiviti.piper.taskhandler.random;
import org.apache.commons.lang3.RandomUtils;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import com.creactiviti.piper.core.task.TaskExecution;
import com.creactiviti.piper.core.task.TaskHandler;
/**
* a {@link TaskHandler} implementaion which can
* throw an exception based on a probabilty
* value.
*
* @author Arik Cohen
* @since Mar 30, 2017
*/
@Component("random/rogue")
class Rogue implements TaskHandler<Object> {
@Override
public Object handle(TaskExecution aTask) throws Exception {
float nextFloat = RandomUtils.nextFloat(0, 1);
float probability = aTask.getFloat("probability",0.5f);
Assert.isTrue(probability>=0 && probability<=1,"probability must be a value between 0 and 1");
if(nextFloat <= probability) {
throw new IllegalStateException("I'm a rogue exception");
}
return null;
}
}