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ORA_JAVA.IS_NULL

This function returns a BOOLEAN value that indicates whether or not an object is null.

Syntax

FUNCTION ORA_JAVA.IS_NULL (
 obj IN ORA_JAVA.JOBJECT)
RETURN BOOLEAN;

Parameter

Description

obj

A valid instance of the Java class. The actual parameter can be any object of type ORA_JAVA.JOBJECT.

Example

PROCEDURE foo IS
 obj ORA_JAVA.JOBJECT;
 ...
BEGIN
 obj := myclass.new;
 IF NOT ORA_JAVA.IS_NULL(obj) THEN
  pck.obj := ORA_JAVA.NEW_GLOBAL_REF(obj);
  ...
 END IF;
 ...
END;