From d8149e0bee4ef2b69dd286c57bf2459d1947e440 Mon Sep 17 00:00:00 2001
From: hns <hannesw@gmail.com>
Date: Fri, 21 Dec 2007 16:37:25 +0000
Subject: [PATCH] * Implement new HOpObject isPersistent() and isTransient()
 methods.

---
 src/helma/scripting/rhino/HopObject.java | 30 ++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/helma/scripting/rhino/HopObject.java b/src/helma/scripting/rhino/HopObject.java
index 42dbd598..029a7f33 100644
--- a/src/helma/scripting/rhino/HopObject.java
+++ b/src/helma/scripting/rhino/HopObject.java
@@ -668,6 +668,36 @@ public class HopObject extends ScriptableObject implements Wrapper, PropertyReco
         return true;
     }
 
+    /**
+     * Check whether the wrapped Node is persistent.
+     * This also returns true if the Node is being inserted in the database,
+     * or it has been in database and is in the proces of being deleted.
+     * @return true if the the wrapped Node has a valid database id.
+     */
+    public boolean jsFunction_isPersistent() {
+        if (!(node instanceof helma.objectmodel.db.Node)) {
+            return false;
+        }
+        checkNode();
+        int nodeState = node.getState();
+        return nodeState != INode.TRANSIENT;
+    }
+
+    /**
+     * Check whether the wrapped Node is transient.
+     * This also returns false if the Node is being inserted in the database,
+     * or it has been in database and is in the proces of being deleted.
+     * @return true if the the wrapped Node is not stored in a database.
+     */
+    public boolean jsFunction_isTransient() {
+        if (!(node instanceof helma.objectmodel.db.Node)) {
+            return true;
+        }
+        checkNode();
+        int nodeState = node.getState();
+        return nodeState == INode.TRANSIENT;
+    }
+
     /**
      * Check if node is contained in the subnode collection.
      * Return its index position if it is, and -1 otherwise.