dependencymanager/test/src/main/java/org/apache/felix/dm/test/bundle/annotation/factory/MyService.java

/*
 * 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.dm.test.bundle.annotation.factory;

import java.util.Dictionary;
import java.util.HashMap;
import java.util.Map;

import junit.framework.Assert;

import org.apache.felix.dm.annotation.api.Init;
import org.apache.felix.dm.annotation.api.Property;
import org.apache.felix.dm.annotation.api.Component;
import org.apache.felix.dm.annotation.api.ServiceDependency;
import org.apache.felix.dm.annotation.api.Start;
import org.apache.felix.dm.annotation.api.Stop;
import org.apache.felix.dm.test.bundle.annotation.sequencer.Sequencer;

/**
 * This service will be instantiated by our MyServiceFactory class.
 */
@Component(factorySet = "MyServiceFactory", 
         factoryConfigure = "configure", properties = { @Property(name = "foo", value = "bar") })
public class MyService implements MyServiceInterface
{
    /**
     *  The configuration provided by MyServiceFactory
     */
    @SuppressWarnings("unchecked")
    Dictionary m_configuration;

    /**
     *  Our sequencer.
     */
    @ServiceDependency
    Sequencer m_sequencer;
    
    /**
     *  An extra dependency (we'll dynamically configure the filter from our init() method).
     */
    @ServiceDependency(name="extra")
    Runnable m_extra;

    /**
     * This is the first method called: we are provided with the MyServiceFactory configuration.
     */
    public void configure(Dictionary<?, ?> configuration)
    {
        if (m_configuration == null)
        {
            m_configuration = configuration;
        }
        else
        {
            m_sequencer.step(5);
        }
    }

    /**
     * Initialize our Service: we'll dynamically configure our dependency whose name is "extra".
     */
    @Init
    Map init() 
    {
        return new HashMap() {{
            put("extra.filter", "(foo=bar2)");
            put("extra.required", "true");
        }};
    }
        
    /**
     * our Service is starting: at this point, all required dependencies have been injected.
     */
    @Start
    public void start()
    {
        Assert.assertNotNull("Extra dependency not injected", m_extra);
        m_extra.run();
        m_sequencer.step(2);
    }

    /**
     * Our service is stopping.
     */
    @Stop
    public void stop()
    {
        m_sequencer.step(10);
    }

    public void added(String instanceId)
    {
        if (instanceId.equals(m_configuration.get("instance.id")))
        {
            m_sequencer.step(4);
        }
    }

    public void changed(String modified)
    {
        if (modified.equals(m_configuration.get("instance.modified")))
        {
            m_sequencer.step(7);
        }
    }

    public void removed()
    {
        m_sequencer.step(9);
    }
}