edu.ucsb.adl.middleware.rmi
Class CancelServiceImpl

java.lang.Object
  |
  +--java.rmi.server.RemoteObject
        |
        +--java.rmi.server.RemoteServer
              |
              +--java.rmi.server.UnicastRemoteObject
                    |
                    +--edu.ucsb.adl.middleware.rmi.CancelServiceImpl

All Implemented Interfaces:

CancelService, java.rmi.Remote, java.io.Serializable

public final class CancelServiceImpl

extends java.rmi.server.UnicastRemoteObject

implements CancelService

Bridge between the RMI interface to the ADL cancel service and the cancel service itself.

Version:

$Header: /export/home/gjanee/middleware/edu/ucsb/adl/middleware/rmi/RCS/CancelServiceImpl.java,v 1.1 2001/02/16 14:42:31 gjanee Exp $

$Log: CancelServiceImpl.java,v $ Revision 1.1 2001/02/16 14:42:31 gjanee Initial revision

Author:

Greg Janée
Alexandria Digital Library

See Also:

Serialized Form

Field Summary

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

CancelServiceImpl(java.lang.String configurationFile)
Creates a CancelServiceImpl.

Method Summary

protected void	finalize() Frees all resources held by the bridge.
void	performCancelService(int id) Performs the ADL cancel service.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CancelServiceImpl

public CancelServiceImpl(java.lang.String configurationFile)
                  throws InternalErrorException,
                         java.rmi.RemoteException

Creates a CancelServiceImpl.

Parameters:

configurationFile - The filename of an ADL middleware configuration file.

Throws:

InternalErrorException - If the initialization of the service fails.

java.rmi.RemoteException - If an RMI error occurs.

Method Detail

performCancelService

public void performCancelService(int id)
                          throws MiddlewareException,
                                 java.rmi.RemoteException

Performs the ADL cancel service.

Specified by:

performCancelService in interface CancelService

Parameters:

id - The query's ID. If the ID is invalid, the service does nothing.

Throws:

NoAuthorizationException - If the request is not allowed.

java.rmi.RemoteException - If an RMI error occurs.

InternalErrorException - If the request cannot otherwise be completed.

MiddlewareException

finalize

protected void finalize()

Frees all resources held by the bridge.

Overrides:

finalize in class java.lang.Object