package org.wamblee.system;

/**
 * Default service implementation.
 */
public class DefaultService implements Service {

	private String _id;
	private ProvidedServiceDescriptor _descriptor;
	private Object _service;

	/**
	 * Constructs the service.
	 * 
	 * @param aDescriptor
	 *            Descriptor to use.
	 * @param aService
	 *            Service.
	 */
	public DefaultService(String aId, ProvidedServiceDescriptor aDescriptor,
			Object aService) {
		_id = aId;
		_descriptor = aDescriptor;
		_service = aService;
	}

	@Override
	public String getId() {
		return _id;
	}

	@Override
	public ProvidedServiceDescriptor getDescriptor() {
		return _descriptor;
	}

	@Override
	public <T> T reference(Class<T> aClass) {
		return (T) _service;
	}

	@Override
	public String toString() {
		return "(" + _descriptor + ", " + _service + ")";
	}
}