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Dictionary
object.
Hashtable
object.
Hashtable
object.
ExprProps
is a subclass of Properties
that
is "smart" in the sense that it wraps a Calculator
object, passing get
and getProperty
keys to
the Calculator
for processing.Calculator
instance with
this instance of ExprProps
as it's symbol table.
Calculator
instance with
this instance of ExprProps
as it's symbol table and
with the Properties
instance referenced by the
parameter defaults
as it's set of default values.
Calculator
instance with
request.props
as it's symbol table.
Calculator
instance with
request.props
as it's symbol table and with the
Properties
instance referenced by the parameter
defaults
as it's set of default values.
ExprPropsHandler
installs an expression evaluator as a
"smart properties" into the current request object, enabling arithmetic and
logical expression evaluation in property name lookups.
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