Activities in Brief

Table 7.1 lists the basic activities available to a BPEL-process developer. Table 7.2 lists the structured activities.

Table 7.1: BPEL basic activities
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Basic activity	Purpose
assign	Copy one or more values to variables and partner links
compensate	Invoke a set of compensation handlers
compensateScope	Invoke a specific compensation handler
empty	Act as a placeholder
exit	End the process immediately
extensionActivity	Do a task allowed by a technology that extends BPEL
invoke	Invoke a partner service
receive	Receive an inbound message
reply	Reply to an inbound message
rethrow	Re-direct an error from one fault handler to another
throw	Direct an error to a fault handler
validate	Validate one or more variables against their data types
wait	Block processing for a time