The node observer interface. Observers should implement this interface to receive information about the state of the IceGrid nodes.
nodeInit — The nodeInit
operation indicates the current state of nodes.
nodeUp — The nodeUp
operation is called to notify an observer that a node came up.
nodeDown — The nodeDown
operation is called to notify an observer that a node went down.
updateServer — The updateServer
operation is called to notify an observer that the state of a server changed.
updateAdapter — The updateAdapter
operation is called to notify an observer that the state of an adapter changed.
The nodeInit
operation indicates the current state of nodes. It is called after the registration of an observer.
nodes
— The current state of the nodes.
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.
The updateServer
operation is called to notify an observer that the state of a server changed.
node
— The node hosting the server.
updatedInfo
— The new server state.
The updateAdapter
operation is called to notify an observer that the state of an adapter changed.
node
— The node hosting the adapter.
updatedInfo
— The new adapter state.