January 2006
Intermediate to advanced
372 pages
10h 10m
English
book
Business Process Execution Language for Web Services 2nd Edition
by Matjaz B Juric, Benny Mathew, Poornachandra Sarang
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BPEL Functions
This section talks about the important and commonly used functions related to BPEL. These are:
getLinkStatus()getVariableData()getVariableProperty()
getLinkStatus()
This function is used to return a Boolean value to indicate the status of a link. Links with positive status are evaluated to true, links with negative status to false. This function can only be used in join conditions. The linkName argument must refer to the name of an incoming link for the activity associated with the join condition.
Syntax
bpws:getLinkStatus (‘linkName’)
Example
<switch name=”BestOfferSelect”
joinCondition=”bpws:getLinkStatus(
‘AmericanAirlinesCallbackToBestOfferSelect’)
and
bpws:getLinkStatus(
‘DeltaAirlinesCallbackToBestOfferSelect’)” >
... </switch> ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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