private Object getChildElement(Key key, Object defaultValue) {
// column and query has same name
if (key.equals(this.key)) {
return get(qry.getCurrentrow(), defaultValue);
}
// get it from undefined scope
PageContext pc = ThreadLocalPageContext.get();
if (pc != null) {
UndefinedImpl undefined = ((UndefinedImpl) pc.undefinedScope());
boolean old = undefined.setAllowImplicidQueryCall(false);
Object sister = undefined.get(this.key, null);
undefined.setAllowImplicidQueryCall(old);
if (sister != null) {
try {
return pc.get(sister, key);
} catch (PageException e) {
return defaultValue;
}
}
}
return defaultValue;
}
