Package io.hekate.partition

Class DefaultPartition

java.lang.Object

io.hekate.partition.DefaultPartition

All Implemented Interfaces:

Partition, Comparable<Partition>

public class DefaultPartition
extends Object
implements Partition

Default implementation of PartitionMapper interface.

Constructor Summary

Constructors

Constructor	Description
DefaultPartition(int id, ClusterNode primary, List<ClusterNode> backup, ClusterTopology topology)	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
List<ClusterNode>	backupNodes()	Returns the backup node set of this partition.
static DefaultPartition	empty(int id)	Returns a new instance that represents an empty partition.
boolean	equals(Object o)
int	hashCode()
int	id()	Returns the partition identifier.
List<ClusterNode>	nodes()	Returns the set of all nodes that are mapped to this partition (including primary and backup).
ClusterNode	primaryNode()	Returns the primary node that is assigned to this partition.
ClusterTopology	topology()	Returns the cluster topology that this partition is mapped to.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.hekate.partition.Partition

compareTo, hasBackupNodes, isPrimary, isPrimary

Constructor Detail

DefaultPartition

public DefaultPartition(int id,
                        ClusterNode primary,
                        List<ClusterNode> backup,
                        ClusterTopology topology)

Constructs a new instance.

Parameters:

id - See id().

primary - See primaryNode().

backup - See backupNodes().

topology - See topology().

Method Detail

empty

public static DefaultPartition empty(int id)

Returns a new instance that represents an empty partition.

Parameters:

id - Partition identifier.

Returns:

Empty partition.

id

public int id()

Description copied from interface: Partition

Returns the partition identifier.

Specified by:

id in interface Partition

Returns:

Partition identifier.

primaryNode

public ClusterNode primaryNode()

Description copied from interface: Partition

Returns the primary node that is assigned to this partition.

Specified by:

primaryNode in interface Partition

Returns:

Primary node.

backupNodes

public List<ClusterNode> backupNodes()

Description copied from interface: Partition

Returns the backup node set of this partition.

Specified by:

backupNodes in interface Partition

Returns:

Set of backup nodes or an empty set if there are no backup nodes.

nodes

public List<ClusterNode> nodes()

Description copied from interface: Partition

Returns the set of all nodes that are mapped to this partition (including primary and backup).

Specified by:

nodes in interface Partition

Returns:

The set of all nodes that are mapped to this partition.

topology

public ClusterTopology topology()

Description copied from interface: Partition

Returns the cluster topology that this partition is mapped to.

Specified by:

topology in interface Partition

Returns:

Cluster topology that this partition is mapped to.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object