package org.wamblee.system.spring;

import org.springframework.beans.factory.FactoryBean;

/**
 * Bean which adds a service required by the spring component to 
 * the application context so that other spring beans can use it.  
 *  
 * @author Erik Brakkee
 */
class RequiredServiceBean implements FactoryBean {
	
	private String _id;
	
	/**
	 * Constructs the bean. 
	 * @param aId Id of the bean in the service registry.  
	 */
	public RequiredServiceBean(String aId) { 
		_id = aId; 
	}

	@Override
	public Object getObject() throws Exception {
		return SpringComponent.REGISTRY.get().find(_id).reference(Object.class);
	}

	@Override
	public Class getObjectType() {
		return null;
	}

	@Override
	public boolean isSingleton() {
		return true; 
	}

}