Package org.apache.slider.server.appmaster.state

Interface Summary

Interface	Description
ContainerReleaseSelector	Interface implemented by anything that must choose containers to release
StateAccessForProviders	The methods to offer state access to the providers and other parts of the system which want read-only access to the state.

Class Summary

Class	Description
AbstractClusterServices	Cluster services offered by the YARN infrastructure.
AppState	The model of all the ongoing state of a Slider AM.
AppState.NodeCompletionResult	This is a very small class to send a multiple result back from the completion operation
AppState.NodeUpdatedOutcome	Return value of the AppState.onNodesUpdated(List) call.
AppStateBindingInfo	Binding information for application states; designed to be extensible so that tests don't have to be massivley reworked when new arguments are added.
ContainerAllocationResults	This is just a tuple of the outcome of a container allocation
ContainerAssignment	Static assignment structure
ContainerPriority	Class containing the logic to build/split container priorities into the different fields used by Slider The original design here had a requestID merged with the role, to track outstanding requests.
MostRecentContainerReleaseSelector	Sort the candidate list by the most recent container first.
NodeEntry	Information about the state of a role on a specific node instance.
NodeInstance	A node instance -stores information about a node in the cluster.
NodeInstance.CompareNames	A comparator for sorting entries alphabetically
NodeInstance.MoreActiveThan	A comparator for sorting entries where the role is newer than the other.
NodeInstance.Preferred	A comparator for sorting entries where the node is preferred over another.
NodeMap	Node map map -and methods to work with it.
OutstandingRequest	Tracks an outstanding request.
OutstandingRequestTracker	Tracks outstanding requests made with a specific placement option.
ProviderAppState	Implementation of StateAccessForProviders, which means state access for providers, web UI and IPC/REST views.
RoleHistory	The Role History.
RoleHistoryUtils
RoleHostnamePair
RoleInstance	Tracking information about a container
RoleStatus	Models the ongoing status of all nodes in an application.
RoleStatus.CompareByKey	Compare two role status entries by key
RoleStatus.CompareByName	Compare two role status entries by name
SimpleReleaseSelector	Simplest release selector simply returns the list

Enum Summary

Enum	Description
ContainerAllocationOutcome	Outcome of the assignment
ContainerOutcome	Container outcomes we care about; slightly simplified from ContainerExitStatus -and hopefully able to handle any new exit codes.