FakeAccount.java

/**
 * Copyright (c) 2009-2011 VMware, Inc. All Rights Reserved.
 *
 * 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.springsource.insight.samples.payme;

import java.util.Random;

/**
 * Represents some monetary account.
 */
public class FakeAccount {

    private int balance;
    private Random rand = new Random();

    public void setBalance(int newBalance) {
        balance = newBalance;
        randomDelay();
    }

    public int getBalance() {
        return balance;
    }

    private int maxDelay;

    public void setMaxDelay(int maxDelay) {
        this.maxDelay = maxDelay;
    }

    /**
     * Introduces a random delay (5 - 50ms) into the processing.  Faux business logic.
     */
    private void randomDelay() {
        if (maxDelay <= 5) {
            return;
        }

        try {
            Thread.sleep(rand.nextInt(maxDelay - 5) + 5);
        } catch (InterruptedException e) {
            // ignore
        }
    }
}