/**
    * Copyright By Grandsoft Company Limited.  
    * 2012-3-2 上午08:53:31
    */
   package gboat2.serviceflow;
   
   import org.drools.util.ServiceRegistry;
   import org.osgi.framework.Bundle;
   import org.osgi.framework.BundleActivator;
  import org.osgi.framework.BundleContext;
  import org.osgi.framework.ServiceReference;
  import org.osgi.util.tracker.ServiceTracker;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * 
   * @author lysming
   * @since jdk1.6
   * @date 2012-3-2
   *  
   */
  
  public class Activator implements BundleActivator {
  
  	private Logger logger = LoggerFactory.getLogger(Activator.class);
  	private ServiceTracker tracker;
  	public static Bundle LOCAL_BUNDLE;
  	
  	/** 
  	  * (non-Javadoc)    
  	  * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)   
  	  */
  	/** 
  	  * (non-Javadoc)    
  	  * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)   
  	  * @param bundleContext bundle上下文
  	  */
  	public void start(BundleContext bundleContext) {
  		LOCAL_BUNDLE = bundleContext.getBundle();
  		logger.debug("starting gboat2.serviceflow ......");
  
  		tracker = new ServiceTracker(bundleContext,ServiceRegistry.class.getName(),null){
  			public Object addingService(ServiceReference reference){
  				ServiceRegistry registry = (ServiceRegistry)context.getService(reference);
  				JBPMHelper.setServiceRegistry(registry);
  				return super.addingService(reference);
  			}
  		};
  		tracker.open();
  
  	}
  
  	/** 
  	  * (non-Javadoc)    
  	  * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)   
  	  * @param context bundle上下文
  	  */
  	public void stop(BundleContext context) {
  		tracker.close();
  	}
  
  }