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This operator assures that every n time elements there will be periodically a heartbeat and the to avoid blocking because of missing information about time progress. The operator garantees, that no element (heartbeat or streamobject) is send, that is older than the last send hearbeat heartbeat (i.e. the generated heartbeats are in order and indicate time progress). Heartbeats can be send periodically (sendAlwaysHeartbeats = true) or only if no other stream elements indicate time progess (e.g. in out of order scenarios) independent if a new element has been received or not.
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out = AssureHeartbeat({realTimeDelay=5000, APPLICATIONTIMEDELAY=5000, SENDALWAYSHEARTBEAT='false', ALLOWOUTOFORDER='false'},nexmark:person2)EVENTTRIGGER
Description
Parameter
Example
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