The following XLANG/s operators are available for use in orchestration expressions. They adhere closely to the functionality of the corresponding operators in C#.
|
Operator
|
Description
|
Example
|
|---|
|
checked()
|
raise error on arithmetic overflow
|
checked(x = y * 1000)
|
|
unchecked()
|
ignore arithmetic overflow
|
unchecked(x = y * 1000)
|
|
new
|
create an instance of a class
|
myObject = new MyClass;
|
|
typeof
|
Type retrieval
|
myMapType = typeof(myMap)
|
|
succeeded()
|
test for successful completion of transactional scope or orchestration
|
succeeded(<transaction ID for child transaction of current scope or service>)
|
|
exists
|
test for the existence of a message context property
|
BTS.RetryCount exists Message_In
|
|
+
|
unary plus
|
+(int x)
|
|
-
|
unary minus
|
-(int x)
|
|
!
|
logical negation
|
!myBool
|
|
~
|
bitwise complement
|
x = ~y
|
|
()
|
cast
|
(bool) myInt
|
|
*
|
times
|
Weight = MyMsg.numOrders * 20
|
|
/
|
divided by
|
x / y
|
|
+
|
plus
|
x + y
|
|
-
|
minus
|
x - y
|
|
<<
|
shift left
|
x << 2
|
|
>>
|
shift right
|
x >> 2
|
|
<
|
less than
|
If (MyMsg.numOrders < 10)...
|
|
>
|
greater than
|
If (MyMsg.numOrders > 10)...
|
|
<=
|
less than or equal to
|
If (MyMsg.numOrders <= 10)...
|
|
>=
|
greater than or equal to
|
If (MyMsg.numOrders >= 10)...
|
|
==
|
equal to
|
If (MyMsg.numOrders == 10)...
|
|
!=
|
not equal to
|
If (MyMsg.numOrders != 10)...
|
|
&
|
and
|
If (myByte & 255)...
|
|
^
|
exclusive or
|
If (myByte ^ 1)...
|
|
|
|
or
|
If (myByte | 1)...
|
|
&&
|
conditional and
|
If (MyMsg.numOrders > 10) && (MyMsg.numOrders < 100)
|
|
||
|
conditional or
|
If (MyMsg.numOrders < 10) || (MyMsg.numOrders > 100)
|
|
//
|
commenting
|
//This is the comment
|
.gif) Note |
|---|
|
The rules differ between general expressions and filter expressions that are used with the Receive shape.
|
Concepts
Using Filters With the Receive Message Shape