org.apache.drill.exec.work.foreman

Interface DrillbitStatusListener

All Known Implementing Classes:

ZKRegistry

public interface DrillbitStatusListener

Interface to define the listener to take actions when the set of active drillbits is changed.

Method Summary

Modifier and Type	Method and Description
void	drillbitRegistered(Set<CoordinationProtos.DrillbitEndpoint> registeredDrillbits) The action to taken when a set of new drillbits are registered to the cluster.
void	drillbitUnregistered(Set<CoordinationProtos.DrillbitEndpoint> unregisteredDrillbits) The action to taken when a set of drillbits are unregistered from the cluster.

Method Detail

drillbitUnregistered

void drillbitUnregistered(Set<CoordinationProtos.DrillbitEndpoint> unregisteredDrillbits)

The action to taken when a set of drillbits are unregistered from the cluster.

Parameters:

unregisteredDrillbits - the set of newly unregistered drillbits.

drillbitRegistered

void drillbitRegistered(Set<CoordinationProtos.DrillbitEndpoint> registeredDrillbits)

The action to taken when a set of new drillbits are registered to the cluster.

Parameters:

registeredDrillbits - the set of newly registered drillbits. Note: the complete set of currently registered bits could be different.