com.springinpractice.ch14.kite.sample.service.impl.Flakinator.java Source code

Introduction

Here is the source code for com.springinpractice.ch14.kite.sample.service.impl.Flakinator.java

Source

/*
 * Copyright (c) 2010-2013 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.springinpractice.ch14.kite.sample.service.impl;

import org.springframework.stereotype.Component;

/**
 * @author Willie Wheeler (willie.wheeler@gmail.com)
 */
@Component
public class Flakinator {
    private volatile boolean up = true;

    public void simulateFlakiness() {
        if (up) {
            if (Math.random() < 0.05) {
                this.up = false;
            }
        } else {
            if (Math.random() < 0.2) {
                this.up = true;
            }
        }

        if (!up) {
            throw new RuntimeException("Oops, service down");
        }
    }

}