deleterequestimpl.java

来自「CmisJavaApi」· Java 代码 · 共 121 行

/*
 * The contents of this file are subject to the Dyade Public License, 
 * as defined by the file DYADE_PUBLIC_LICENSE.TXT
 *
 * You may not use this file except in compliance with the License. You may
 * obtain a copy of the License on the Dyade web site (www.dyade.fr).
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific terms governing rights and limitations under the License.
 *
 * The Original Code is CmisJava API, including the java package 
 * fr.dyade.cmis, released September 5, 2000.
 *
 * The Initial Developer of the Original Code is Dyade. The Original Code and
 * portions created by Dyade are Copyright Bull and Copyright INRIA. 
 * All Rights Reserved.
 */

/*      Copyright 1996-2000 by Institut National de Recherche en Informatique 
 *                             et en Automatique (INRIA)
 *          All rights reserved.  See COPYRIGHT in top-level directory.
 *
 *      Authors: Laurent Andrey, Eric Dillon, Olivier Festor
 */


//  $Id: DeleteRequestImpl.java,v 1.2 2000/09/05 14:30:43 festor Exp $
//  $Source: /local/resedas/CVS-Repository/CmisJavaApi/src/fr/dyade/cmis/impl/operation/DeleteRequestImpl.java,v $
//
//  Todo
//

package fr.dyade.cmis.impl.operation;

import java.util.Enumeration;
import fr.dyade.cmis.api.*;
import fr.dyade.cmis.api.types.*;
import fr.dyade.cmis.api.operation.*;
import fr.dyade.cmis.api.operation.event.*;
import fr.dyade.cmis.impl.*;

/** basic implementation for a CMIS Delete request
  * This class mainly implements the <code>{@link fr.dyade.cmis.api.operation.DeleteRequest}</code> interface.
  * It has the filtering and scoping features so
  * it is a subclass of <code>{@link FilteredAndScopedOperationImpl}</code>.
  *
  * Because of java scope properties this class is public, but user can not directly build instances
  * as it is an abstract class. Instances are to be built using
  * {@link fr.dyade.cmis.api.CMISManagerStack#newDeleteRequest factory method}.
  * @see DeleteConfirmation
  * @see DeleteIndication
  * @version cvs $Id: DeleteRequestImpl.java,v 1.2 2000/09/05 14:30:43 festor Exp $
  */
public abstract class DeleteRequestImpl extends FilteredAndScopedOperationImpl implements DeleteRequest {
      protected DeleteRequestImpl( CMISStackImpl pStack ){
	 super(pStack, DELETE_REQUEST);
      }
      /**
	* Effective Delete service invocation.	
	* This method is synchronized to ensure
	* that no thread (dispatchEvent method) would change  the request state (fState)
	* in the meanwhile.
	*/
      public final synchronized void doIt() throws CMISException {
	 // delete is always a confirmed service.
	 synchronized(fStack.getPendingRequestQueueSynchronization()) {
	    setInvokeId(new InvokeId(nativeDoIt()));
	    fStack.addPendingRequest(this);
	    // Update only if successful
	    startProcessing();
	 }
      }
      /**
	* Add a DeleteRequestListner object to a Delete request.
	* @param pDL the  listener to add
	*/
      public final void addDeleteRequestListener(DeleteRequestListener pDl) {
	 addCMISListener(pDl);
      }
      /**
	* Remove a DeleteRequestListner object from a Delete request
	* @param pDl the  listener to remove
	*/
      public final void removeDeleteRequestListener(DeleteRequestListener pDl) {
	 removeCMISListener(pDl);
      }
      /** The dispatch METHOD for event loop.
	* @param the event (DeleteConfirmation/Completion Event) to dispatch on this DeleteRequest
	* @see fr.dyade.cmis.impl.CMISEventQueue
	*/
      public final void dispatchEvent( CMISEvent pEvent ) {
	 if (pEvent instanceof DeleteConfirmationEvent) {
	    DeleteConfirmationEvent lEvent=(DeleteConfirmationEvent)pEvent;
	    lEvent.getRequest().addConfirmation(lEvent.getConfirmation());
	    synchronized (fCMISEventListener){
	       for (Enumeration e = fCMISEventListener.elements() ; e.hasMoreElements() ;) {
		  ((DeleteRequestListener)e.nextElement()).confirmation(lEvent);
	       }
	    }
	 } else {
	    if (pEvent instanceof DeleteCompletionEvent) {
	       complete();
	       synchronized (fCMISEventListener){
		  for (Enumeration e = fCMISEventListener.elements() ; e.hasMoreElements() ;) {
		     ((DeleteRequestListener)e.nextElement()).completion((DeleteCompletionEvent)pEvent);
		  }
	       }
	       endProcessing();
	    } else {
	       System.err.println("DeleteRequestImpl.java:dispatchEvent bad event type INTERNAL ERROR");
	    }
	 }
      }
} // DeleteRequestImpl