/*
* 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.felix.ipojo.handler.eventadmin.test.donut;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.Random;
/**
* Implementation of an event vendor that directly uses the Event Admin service
* to post (asynchronously) raw events.
*
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
public class AsyncEventProviderImpl implements DonutProvider {
/**
* The donut current serial number.
*/
private long m_serial = 0L;
/**
* The name of the donut vendor.
*/
private String m_name;
/**
* A random generator.
*/
private Random m_random;
/**
* The Event Admin service reference.
*/
private EventAdmin m_ea;
/**
* Construct a new donut provider. The initial serial number is randomly
* generated.
*/
public AsyncEventProviderImpl() {
m_random = new Random(System.currentTimeMillis());
}
/**
* Sell a donut with a random flavour.
*
* @return the sold donut
*/
public Donut sellDonut() {
Dictionary rawEvent = new Hashtable();
Donut donut = new Donut(m_serial++, m_name, Donut.FLAVOURS[m_random
.nextInt(Donut.FLAVOURS.length)]);
rawEvent.put("food", donut);
m_ea.postEvent(new Event("food/donuts", rawEvent));
return donut;
}
}