From cdf170c568afa1303a87de05b8898dedb8634e5c Mon Sep 17 00:00:00 2001
From: hns <hannesw@gmail.com>
Date: Mon, 1 Oct 2001 09:54:49 +0000
Subject: [PATCH] implemented isInstanceOf to tell whether a DbMapping
represents itself or by inheritance some prototype.
---
src/helma/objectmodel/db/DbMapping.java | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/helma/objectmodel/db/DbMapping.java b/src/helma/objectmodel/db/DbMapping.java
index 58606d6e..590fdfd8 100644
--- a/src/helma/objectmodel/db/DbMapping.java
+++ b/src/helma/objectmodel/db/DbMapping.java
@@ -670,6 +670,21 @@ public class DbMapping implements Updatable {
return !other.isRelational ();
}
+ /**
+ * Return true if this db mapping represents the prototype indicated
+ * by the string argument, either itself or via one of its parent prototypes.
+ */
+ public boolean isInstanceOf (String other) {
+ if (typename.equals (other))
+ return true;
+ DbMapping p = parentMapping;
+ while (p != null) {
+ if (p.typename.equals (other))
+ return true;
+ p = p.parentMapping;
+ }
+ return false;
+ }
}