Uses of Interface
org.apache.bookkeeper.client.ITopologyAwareEnsemblePlacementPolicy.Ensemble

Packages that use ITopologyAwareEnsemblePlacementPolicy.Ensemble

Package	Description
org.apache.bookkeeper.client	BookKeeper Client.

Uses of ITopologyAwareEnsemblePlacementPolicy.Ensemble in org.apache.bookkeeper.client

Classes in org.apache.bookkeeper.client that implement ITopologyAwareEnsemblePlacementPolicy.Ensemble

Modifier and Type	Class	Description
protected static class	TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints
protected static class	TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble	A predicate checking the rack coverage for write quorum in RoundRobinDistributionSchedule, which ensures that a write quorum should be covered by at least two racks.

Fields in org.apache.bookkeeper.client declared as ITopologyAwareEnsemblePlacementPolicy.Ensemble

Modifier and Type	Field	Description
(package private) final ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>	TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.parentEnsemble

Methods in org.apache.bookkeeper.client with parameters of type ITopologyAwareEnsemblePlacementPolicy.Ensemble

Modifier and Type	Method	Description
boolean	ITopologyAwareEnsemblePlacementPolicy.Predicate.apply(T candidate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<T> chosenBookies)
boolean	TopologyAwareEnsemblePlacementPolicy.RRTopologyAwareCoverageEnsemble.apply(BookieNode candidate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble)
boolean	TopologyAwareEnsemblePlacementPolicy.TruePredicate.apply(BookieNode candidate, ITopologyAwareEnsemblePlacementPolicy.Ensemble chosenNodes)
EnsemblePlacementPolicy.PlacementResult<List<BookieId>>	ITopologyAwareEnsemblePlacementPolicy.newEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, Set<BookieId> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Ensemble<T> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<T> parentPredicate)	Create an ensemble with parent ensemble.
EnsemblePlacementPolicy.PlacementResult<List<BookieId>>	RackawareEnsemblePlacementPolicy.newEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, Set<BookieId> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate)
EnsemblePlacementPolicy.PlacementResult<List<BookieId>>	RackawareEnsemblePlacementPolicyImpl.newEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, Set<BookieId> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate)
EnsemblePlacementPolicy.PlacementResult<List<BookieId>>	ZoneawareEnsemblePlacementPolicyImpl.newEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, Set<BookieId> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate)
protected EnsemblePlacementPolicy.PlacementResult<List<BookieId>>	RackawareEnsemblePlacementPolicyImpl.newEnsembleInternal(int ensembleSize, int writeQuorumSize, int ackQuorumSize, Set<BookieId> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate)
protected BookieNode	RegionAwareEnsemblePlacementPolicy.replaceFromRack(BookieNode bookieNodeToReplace, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean enforceDurability)
T	ITopologyAwareEnsemblePlacementPolicy.selectFromNetworkLocation(String networkLoc, Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)	Select a node from networkLoc rack excluding excludeBookies.
T	ITopologyAwareEnsemblePlacementPolicy.selectFromNetworkLocation(String networkLoc, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<T> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<T> ensemble, boolean fallbackToRandom)	Select a node from a given network location.
T	ITopologyAwareEnsemblePlacementPolicy.selectFromNetworkLocation(Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)	Select a node from cluster excluding excludeBookies and bookie nodes of excludeRacks.
BookieNode	RackawareEnsemblePlacementPolicy.selectFromNetworkLocation(String networkLoc, Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	RackawareEnsemblePlacementPolicy.selectFromNetworkLocation(String networkLoc, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	RackawareEnsemblePlacementPolicy.selectFromNetworkLocation(Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	RackawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(String networkLoc, Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	RackawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(String networkLoc, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	RackawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)	It randomly selects a BookieNode that is not on the excludeRacks set, excluding the nodes in excludeBookies set.
BookieNode	ZoneawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(String networkLoc, Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	ZoneawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(String networkLoc, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
BookieNode	ZoneawareEnsemblePlacementPolicyImpl.selectFromNetworkLocation(Set<String> excludeRacks, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble, boolean fallbackToRandom)
protected List<BookieNode>	RackawareEnsemblePlacementPolicyImpl.selectRandom(int numBookies, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble)	Choose a random node from whole cluster.
protected BookieNode	RackawareEnsemblePlacementPolicyImpl.selectRandomFromRack(String netPath, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble)	Choose random node under a given network path.
protected List<BookieNode>	RegionAwareEnsemblePlacementPolicy.selectRandomFromRegions(Set<String> availableRegions, int numBookies, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble)
protected List<BookieNode>	RackawareEnsemblePlacementPolicyImpl.selectRandomInternal(List<BookieNode> bookiesToSelectFrom, int numBookies, Set<Node> excludeBookies, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> predicate, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> ensemble)

Constructors in org.apache.bookkeeper.client with parameters of type ITopologyAwareEnsemblePlacementPolicy.Ensemble

Modifier	Constructor	Description
protected	RRTopologyAwareCoverageEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, int distanceFromLeaves, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate, int minNumRacksPerWriteQuorum)
protected	RRTopologyAwareCoverageEnsemble(int ensembleSize, int writeQuorumSize, int ackQuorumSize, int distanceFromLeaves, ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode> parentEnsemble, ITopologyAwareEnsemblePlacementPolicy.Predicate<BookieNode> parentPredicate, Set<String> racksOrRegions, int minRacksOrRegionsForDurability, int minNumRacksPerWriteQuorum)