summaryrefslogtreecommitdiff
path: root/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/EOGlobalID.java
diff options
context:
space:
mode:
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.java83
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.
+ *
+ *
+ */
+
+