Package org.apache.bookkeeper.client

Class TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints

java.lang.Object

org.apache.bookkeeper.client.TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints

All Implemented Interfaces:

ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>

Enclosing class:

TopologyAwareEnsemblePlacementPolicy

protected static class TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints
extends Object
implements ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final List<BookieId>	EMPTY_LIST
static final TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints	INSTANCE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EnsembleForReplacementWithNoConstraints()

Method Summary

Modifier and Type	Method	Description
boolean	addNode(BookieNode node)	Append the new bookie node to the ensemble only if the ensemble doesnt already contain the same bookie.
List<BookieId>	toList()
boolean	validate()	Validates if an ensemble is valid.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INSTANCE

public static final TopologyAwareEnsemblePlacementPolicy.EnsembleForReplacementWithNoConstraints INSTANCE

EMPTY_LIST

static final List<BookieId> EMPTY_LIST

Constructor Details

EnsembleForReplacementWithNoConstraints

protected EnsembleForReplacementWithNoConstraints()

Method Details

addNode

public boolean addNode(BookieNode node)

Description copied from interface: ITopologyAwareEnsemblePlacementPolicy.Ensemble

Append the new bookie node to the ensemble only if the ensemble doesnt already contain the same bookie.

Specified by:

addNode in interface ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>

Parameters:

node - new candidate bookie node.

Returns:

true if the node was added

toList

public List<BookieId> toList()

Specified by:

toList in interface ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>

Returns:

list of addresses representing the ensemble

validate

public boolean validate()

Validates if an ensemble is valid.

Specified by:

validate in interface ITopologyAwareEnsemblePlacementPolicy.Ensemble<BookieNode>

Returns:

true if the ensemble is valid; false otherwise