1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/org/cristalise/kernel/entity/proxy/ProxyObserver.java b/src/main/java/org/cristalise/kernel/entity/proxy/ProxyObserver.java
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+++ b/src/main/java/org/cristalise/kernel/entity/proxy/ProxyObserver.java
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+/**
+ * This file is part of the CRISTAL-iSE kernel.
+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
+ *
+ * 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 3 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; with out 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * http://www.fsf.org/licensing/licenses/lgpl.html
+ */
+package org.cristalise.kernel.entity.proxy;
+
+import org.cristalise.kernel.entity.C2KLocalObject;
+
+
+
+public interface ProxyObserver<V extends C2KLocalObject>
+{
+   /**************************************************************************
+    * Subscribed items are broken apart and fed one by one to these methods.
+    * Replacement after an event is done by feeding the new memberbase with the same id.
+    * ID could be an XPath?
+    **************************************************************************/
+    public void add(V contents);
+
+   /**************************************************************************
+    * the 'type' parameter should be an indication of the type of object
+    * supplied so that the subscriber can associate the call back with
+    * one of its subscriptions. If we go with an Xpath subscription form,
+    * then the id will probably be sufficient.
+    * Should be comparable (substring whatever) with the parameter given to
+    * the subscribe method of ItemProxy.
+    **************************************************************************/
+    public void remove(String id);
+    
+    public void control(String control, String msg);
+}