endpointfactoryimpl.java

来自「p2p仿真器。开发者可以工作在覆盖层中进行创造和测试逻辑算法或者创建和测试新的服」· Java 代码 · 共 48 行

package planet.generic.commonapi.factory;

import planet.commonapi.Application;
import planet.commonapi.EndPoint;
import planet.commonapi.Node;
import planet.commonapi.exception.InitializationException;
import planet.commonapi.factory.EndPointFactory;

/**
 * This class uses the Factory Method pattern design to build new EndPoints.
 * @author <a href="mailto: [e-mail]">Jordi Pujol</a>
 * 07-jul-2005
 */
public class EndPointFactoryImpl implements EndPointFactory {
	/**
	 * Implementation Class of the EndPoint to use for build new EndPoints.
	 */
	private Class endPoint = null;
	
	/**
     * Build a uninitialized EndPointFactoryImpl. It requires the
     * <b>setValues(...)</b> invokation.
	 */
	public EndPointFactoryImpl() {}
    
    /**
     * Sets initial values for this EndPointFactory.
     * @param endPoint Class reference to build new EndPoint instances.
     * @return The same instance once it has been updated.
     * @throws InitializationException if some error occurs during the
     * initialization process.
     */
    public EndPointFactory setValues(Class endPoint) throws InitializationException {
        this.endPoint = endPoint;
        return this;
	}
	
	/**
	 * Builds a new instance of EndPoint, relating specified Application and Node.
	 * @see planet.commonapi.factory.EndPointFactory#buildEndPoint(planet.commonapi.Application, planet.commonapi.Node)
	 * @param app Application to run over the node.
	 * @param node Node over which run the specified application.
	 */
	public EndPoint buildEndPoint(Application app, Node node) throws InitializationException {
        return ((EndPoint)GenericFactory.newInstance(endPoint)).setValues(app,node);
	}
}