org.onosproject.net.provider

Interface ProviderRegistry<P extends Provider,S extends ProviderService<P>>

Type Parameters:

P - type of the information provider

S - type of the provider service

All Known Subinterfaces:

AlarmProviderRegistry, ClusterMetadataProviderRegistry, ControlMessageProviderRegistry, DeviceProviderRegistry, FlowRuleProviderRegistry, GroupProviderRegistry, HostProbingProviderRegistry, HostProviderRegistry, LinkProviderRegistry, MeterProviderRegistry, PacketProviderRegistry, TopologyProviderRegistry

All Known Implementing Classes:

AbstractListenerProviderRegistry, AbstractProviderRegistry

public interface ProviderRegistry<P extends Provider,S extends ProviderService<P>>

Registry for tracking information providers with the core.

Method Summary

Modifier and Type	Method and Description
Set<ProviderId>	getProviders() Returns a set of currently registered provider identities.
S	register(P provider) Registers the supplied provider with the core.
void	unregister(P provider) Unregisters the supplied provider.

Method Detail

register

S register(P provider)

Registers the supplied provider with the core.

Parameters:

provider - provider to be registered

Returns:

provider service for injecting information into core

Throws:

IllegalArgumentException - if the provider is registered already

unregister

void unregister(P provider)

Unregisters the supplied provider. As a result the previously issued provider service will be invalidated and any subsequent invocations of its methods may throw IllegalStateException.

Unregistering a provider that has not been previously registered results in a no-op.

Parameters:

provider - provider to be unregistered

getProviders

Set<ProviderId> getProviders()

Returns a set of currently registered provider identities.

Returns:

set of provider identifiers