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Simulates the Java's operator instanceof.
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Syntax:
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JInstanceOf(pseudo-reference, class name)
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Returns:
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A 'TRUE'LOG value if the object is not a NULL and can be cast to the class without generating an exception.
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Example:
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JInstanceOf(A, 'javax.jms.Message').
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Note:
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The parameter must be a BLOB.
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See also:
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Java Functions
The Online Samples project (program JV01)
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