# Package org.apache.ignite.internal.managers.discovery

TODO.

See: Description

Interface Summary
CustomEventListener<T extends DiscoveryCustomMessage>: Listener interface.
DiscoveryCustomMessage: DiscoveryCustomMessage messages are handled by discovery protocol which provides some guarantees around them.
DiscoveryServerOnlyCustomMessage: DiscoveryServerOnlyCustomMessage is the special subtype of the DiscoveryCustomMessage message that is delivered only on server nodes of the cluster.
GridLocalMetrics: This class represents runtime information available for current VM.
IgniteClusterNode
IgniteDiscoverySpi
IgniteDiscoverySpiInternalListener: For TESTING only.

Class Summary
ClusterMetricsImpl: Cluster metrics proxy
ConsistentIdMapper: Class is needed for map UUID to consistent id and vice versa.
CustomMessageWrapper
DiscoCache
DiscoveryLocalJoinData: Information about local join event.
DiscoveryMessageResultsCollector<M,R>
DiscoveryMessageResultsCollector.NodeMessage<M>
GridDiscoveryManager: Discovery SPI manager.
GridDiscoveryTopologySnapshot: Topology snapshot managed by discovery manager.

## Package org.apache.ignite.internal.managers.discovery Description

TODO.

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Ignite Fabric | : ver. 2.6.0
Release Date | : July 10 2018