Apama Documentation : Developing Apama Applications : EPL Reference : Events and Event Listeners : Event expressions : Event expression operator precedence
Event expression operator precedence
The following table lists the event expression operators in order by their precedence, from lowest to highest. See Expression operator precedence for a corresponding table of primary and bitwise expression operator precedence.
Operation
Operator
Logical negation
not
All
all
Logical intersection
and
Logical exclusive or
xor
Logical union
or
Followed-by
->
For example, the following expression:
on all A()or B() and not C() -> D()
is equivalent to this expression:
on (
(all A() )
or
(B() and (not C() ))
) -> D()
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