com.alibaba.csp.sentinel.transport

Interface HeartbeatSender

public interface HeartbeatSender

The heartbeat sender which is responsible for sending heartbeat to remote dashboard periodically per interval.

Author:

leyou, Eric Zhao

Method Summary

Modifier and Type	Method and Description
long	intervalMs() Default interval in milliseconds of the sender.
boolean	sendHeartbeat() Send heartbeat to Sentinel Dashboard.

Method Detail

sendHeartbeat

boolean sendHeartbeat()
               throws Exception

Send heartbeat to Sentinel Dashboard. Each invocation of this method will send heartbeat once. Sentinel core is responsible for invoking this method at every intervalMs() interval.

Returns:

whether heartbeat is successfully send.

Throws:

Exception - if error occurs

intervalMs

long intervalMs()

Default interval in milliseconds of the sender. It would take effect only when the heartbeat interval is not configured in Sentinel config property.

Returns:

default interval of the sender in milliseconds