DeadlineFailureDetector
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package remote
Constructor that reads parameters from config.
Constructor that reads parameters from config.
Expecting config properties named acceptable-heartbeat-pause.
Duration corresponding to number of potentially lost/delayed heartbeats that will be accepted before considering it to be an anomaly.
Expected heartbeat interval
The clock, returning current time in milliseconds, but can be faked for testing purposes. It is only used for measuring intervals (duration).
Duration corresponding to number of potentially lost/delayed heartbeats that will be accepted before considering it to be an anomaly.
Notifies the FailureDetector that a heartbeat arrived from the monitored resource.
Notifies the FailureDetector that a heartbeat arrived from the monitored resource. This causes the FailureDetector to update its state.
Expected heartbeat interval
Returns true if the resource is considered to be up and healthy and returns false otherwise.
Returns true if the resource is considered to be up and healthy and returns false otherwise.
Returns true if the failure detector has received any heartbeats and started monitoring of the resource.
Returns true if the failure detector has received any heartbeats and started monitoring of the resource.
Implementation of failure detector using an absolute timeout of missing heartbeats to trigger unavailability.
#isAvailable will return
falseif there is no #heartbeat within the durationheartbeatInterval + acceptableHeartbeatPause.