ModificationWatchpointEventImpl


1   /*******************************************************************************
2    * Copyright (c) 2000, 2005 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    * 
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.jdi.internal.event;
12  
13  
14  import java.io.DataInputStream  ;
15  import java.io.IOException  ;
16  
17  import org.eclipse.jdi.internal.MirrorImpl;
18  import org.eclipse.jdi.internal.ValueImpl;
19  import org.eclipse.jdi.internal.VirtualMachineImpl;
20  import org.eclipse.jdi.internal.request.RequestID;
21  
22  import com.sun.jdi.Value;
23  import com.sun.jdi.event.ModificationWatchpointEvent;
24  
25  /**
26   * this class implements the corresponding interfaces
27   * declared by the JDI specification. See the com.sun.jdi package
28   * for more information.
29   *
30   */
31  public class ModificationWatchpointEventImpl extends WatchpointEventImpl implements ModificationWatchpointEvent {
32      /** Jdwp Event Kind. */
33      public static final byte EVENT_KIND = EVENT_FIELD_MODIFICATION;
34  
35      /** Value to be assigned. */
36      private ValueImpl fValueToBe;
37      
38      /**
39       * Creates new ModificationWatchpointEventImpl.
40       */
41      private ModificationWatchpointEventImpl(VirtualMachineImpl vmImpl, RequestID requestID) {
42          super("ModificationWatchpointEvent", vmImpl, requestID); //$NON-NLS-1$
43      }
44  
45      /**
46       * @return Creates, reads and returns new EventImpl, of which requestID has already been read.
47       */
48      public static WatchpointEventImpl read(MirrorImpl target, RequestID requestID, DataInputStream   dataInStream) throws IOException   {
49          VirtualMachineImpl vmImpl = target.virtualMachineImpl();
50          ModificationWatchpointEventImpl event = new ModificationWatchpointEventImpl(vmImpl, requestID);
51          event.readWatchpointEventFields(target, dataInStream);
52          event.fValueToBe = ValueImpl.readWithTag(target, dataInStream);
53          return event;
54      }
55      
56      /**
57       * @return Returns value that will be assigned to the field when the instruction completes.
58       */
59      public Value valueToBe() {
60          return fValueToBe;
61      }
62  }
63
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