Package dev.getelements.elements.rt.remote

Interface InstanceDiscoveryService

All Known Implementing Classes:

JndiSrvInstanceDiscoveryService, SpotifySrvInstanceDiscoveryService, StaticInstanceDiscoveryService

public interface InstanceDiscoveryService

Tracks and discovers remote instance of instances that have announced themselves on the network.

Method Summary

Modifier and Type	Method	Description
Collection<InstanceHostInfo>	getKnownHosts()	Gets the known remote hosts.
default void	start()
default void	stop()
Subscription	subscribeToDiscovery(Consumer<InstanceHostInfo> instanceHostInfoConsumer)	Subscribes to an event that fires when a new host joins the network.
Subscription	subscribeToUndiscovery(Consumer<InstanceHostInfo> instanceHostInfoConsumer)	Subscribes to an event that fires when a host leaves the network.

Method Details

start

default void start()

stop

default void stop()

getKnownHosts

Collection<InstanceHostInfo> getKnownHosts()

Gets the known remote hosts.

Returns:

a Set<String> containing the remote hosts

subscribeToDiscovery

Subscription subscribeToDiscovery(Consumer<InstanceHostInfo> instanceHostInfoConsumer)

Subscribes to an event that fires when a new host joins the network.

Parameters:

instanceHostInfoConsumer - the InstanceHostInfo

Returns:

the Subscription

subscribeToUndiscovery

Subscription subscribeToUndiscovery(Consumer<InstanceHostInfo> instanceHostInfoConsumer)

Subscribes to an event that fires when a host leaves the network.

Parameters:

instanceHostInfoConsumer - the InstanceHostInfo

Returns:

the Subscription