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Diffstat (limited to 'projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java')
| -rw-r--r-- | projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java new file mode 100644 index 0000000..1b4ccbe --- /dev/null +++ b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java @@ -0,0 +1,83 @@ +/* +Wotonomy: OpenStep design patterns for pure Java applications. +Copyright (C) 2001 Michael Powers + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public +License along with this library; if not, see http://www.gnu.org +*/ + +package net.wotonomy.control; + +import java.io.Serializable; + +/** +* A pure java implementation of EOGlobalID. +* +* @author michael@mpowers.net +* @author $Author: cgruber $ +* @version $Revision: 893 $ +*/ +public abstract class EOGlobalID implements Cloneable, Serializable +{ + /** + * ObjectStores broadcast this notification when they + * replace a temporary global id with a permanent one. + * EditingContexts listen for these notifications to + * update their mapping of global ids to objects. + * The object of the notification is null, and the user + * info contains a mapping of the old temporary ids to + * the new permanent ids. + */ + public static final String GlobalIDChangedNotification + = "GlobalIDChangedNotification"; + + /** + * Returns whether this id is a temporary id. + * Temporary ids are generated for newly created + * objects that have not been persisted. When + * persisted, the temporary id is discarded in favor + * of the one generated by the object store. + */ + public abstract boolean isTemporary(); + + /** + * Returns a copy of this object. + * This implementation calls super.clone(). + */ + public Object clone() throws CloneNotSupportedException + { + return super.clone(); + } +} + +/* + * $Log$ + * Revision 1.1 2006/02/16 13:19:57 cgruber + * Check in all sources in eclipse-friendly maven-enabled packages. + * + * Revision 1.4 2001/04/29 22:02:45 mpowers + * Work on id transposing between editing contexts. + * + * Revision 1.3 2001/03/15 21:10:26 mpowers + * Implemented global id re-registration for newly saved inserts. + * + * Revision 1.2 2001/02/15 21:13:30 mpowers + * First draft implementation is complete. Now on to debugging. + * + * Revision 1.1 2001/02/05 03:45:37 mpowers + * Starting work on EOEditingContext. + * + * + */ + + |
