Called by the framework when the Mbo has been constructed and the
MboValues have been initialized.
This can be overridden by the programmer to provide any custom
initialization they would like to do.
attributeName - The attribute name within the current object.
val - The string value to set to the attribute.
accessModifier - The bitwise flags such as NOACCESSCHECK,
NOVALIDATION_AND_NOACTION, and DELAYVALIDATION.
Throws:
MXException - "Attribute {0} does not exist" exception will
be thrown if the attribute does not exist
in the object.
"Field is read only" exception will be thrown
if the attribute is READONLY and the
accessModifier does not specify NOACCESSCHECK.
"Invalid Data Type" exception will be thrown
for datatype mismatch. For example,
setting a string value of characters to an
attribute which has datatype of YORN.