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package com.sun.enterprise;

import java.util.Set;

import java.rmi.Remote;
import javax.ejb.EJBObject;
import javax.ejb.EJBHome;

/**
 * The RemoteReferenceFactory interface provides methods to
 * create and destroy remote EJB references. Instances of the
 * RemoteReferenceFactory are obtained from the ProtocolManager.
 *
 */
public interface RemoteReferenceFactory {
 
    /**
     * Create a remote reference for an EJBObject which can
     * be used for performing remote invocations.
     * The key specifies the unique
     * "object-id" of the EJBObject. This operation should not
     * create any "tie" for the particular remote object instance.
     * This operation should not cause the ProtocolManager to maintain
     * any instance-specific state about the EJB instance.
     *
     * @param instanceKey a unique identifier for the EJB instance 
     *          which is unique across all EJB refs created using this 
     *          RemoteReferenceFactory instance.
     * @return the protocol-specific stub of the proper derived type.
     *       It should not be necessary to narrow this stub again.
     */
    Remote createRemoteReference(byte[] instanceKey);

   
    /**
     * Create a remote reference for an EJBHome which can
     * be used for performing remote invocations.
     * The key specifies the unique
     * "object-id" of the EJBHome. This operation should not
     * create any "tie" for the particular remote object instance.
     * This operation should not cause the ProtocolManager to maintain
     * any instance-specific state about the EJB instance.
     *
     * @param instanceKey a unique identifier for the EJB instance 
     *          which is unique across all EJB refs created using this 
     *          RemoteReferenceFactory instance.
     * @return the protocol-specific stub of the proper derived type.
     *       It should not be necessary to narrow this stub again.
     */
    EJBHome createHomeReference(byte[] homeKey);

    /**
     * Destroy an EJBObject or EJBHome remote ref 
     * so that it can no longer be used for remote invocations. 
     * This operation should destroy any state such as "tie" objects 
     * maintained by the ProtocolManager for the EJBObject or EJBHome.
     *
     * @param remoteRef the remote reference for the EJBObject/EJBHome
     * @param remoteObj the servant corresponding to the remote reference.
     */
    void destroyReference(Remote remoteRef, Remote remoteObj);

    /**
     * Destroy the factory itself. Called during shutdown / undeploy.
     * The factory is expected to release all resources in this method.
     */
    public void destroy();


    public boolean hasSameContainerID(org.omg.CORBA.Object ref)
	throws Exception;

    public void setRepositoryIds(Class homeIntf, Class remoteIntf);
    
    public void cleanupClass(Class clazz);

}