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check if typename is null in isInstanceOf (which is the

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case for virtual nodes).
This commit is contained in:
hns 2001-10-02 09:49:03 +00:00
parent de5ab9a388
commit 841f09b789
1 changed files with 2 additions and 2 deletions
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4
src/helma/objectmodel/db/DbMapping.java
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@ -675,11 +675,11 @@ public class DbMapping implements Updatable {
* by the string argument, either itself or via one of its parent prototypes. * by the string argument, either itself or via one of its parent prototypes.
*/ */
public boolean isInstanceOf (String other) { public boolean isInstanceOf (String other) {
if (typename.equals (other)) if (typename != null && typename.equals (other))
return true; return true;
DbMapping p = parentMapping; DbMapping p = parentMapping;
while (p != null) { while (p != null) {
if (p.typename.equals (other)) if (p.typename != null && p.typename.equals (other))
return true; return true;
p = p.parentMapping; p = p.parentMapping;
} }