com.bloomberg.bmq

Interface HostHealthMonitor

public interface HostHealthMonitor

Provides an interface for monitoring the health of the host. BlazingMQ sessions can use such objects to conditionally suspend queue activity while the host is marked unhealthy

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	HostHealthMonitor.Handler Provides an interface for handling changes detected by HostHealthMonitor

Method Summary

Modifier and Type	Method and Description
boolean	addHandler(HostHealthMonitor.Handler handler) Registers the specified `handler` to be invoked each time the health of the host changes
HostHealthState	hostHealthState() Queries the current health of the host
boolean	removeHandler(HostHealthMonitor.Handler handler) Unregisters the specified `handler'

Method Detail

addHandler

boolean addHandler(HostHealthMonitor.Handler handler)

Registers the specified `handler` to be invoked each time the health of the host changes

Parameters:

handler - Handler object to be registered

Returns:

true if specified handler was successfully added, false if specified handler was added before

Throws:

NullPointerException - if specified handler is null

removeHandler

boolean removeHandler(HostHealthMonitor.Handler handler)

Unregisters the specified `handler'

Parameters:

handler - Handler object to be removed

Returns:

true if specified handler was successfully removed, false if there were no such object to remove

Throws:

NullPointerException - if specified handler is null

hostHealthState

HostHealthState hostHealthState()

Queries the current health of the host

Returns:

HostHealthState current host health state