This interface allows applications to monitor changes the state of the registry.
registryInit — The registryInit
operation is called after registration of an observer to indicate the state of the registries.
registryUp — The nodeUp
operation is called to notify an observer that a node came up.
registryDown — The nodeDown
operation is called to notify an observer that a node went down.
The registryInit
operation is called after registration of an observer to indicate the state of the registries.
registries
— The current state of the registries.
The nodeUp
operation is called to notify an observer that a node came up.
node
— The node state.
The nodeDown
operation is called to notify an observer that a node went down.
name
— The node name.