org.apache.ignite.internal.processors.cache.persistence.partstate

Class GroupPartitionId

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.partstate.GroupPartitionId

All Implemented Interfaces:

Comparable<GroupPartitionId>

public class GroupPartitionId
extends Object
implements Comparable<GroupPartitionId>

Pair of cache group ID with partition ID. Immutable, comparable class, may be used as key in maps

Constructor Summary

Constructors

Constructor and Description
GroupPartitionId(int grpId, int partId) Creates group-partition tuple.

Method Summary

Modifier and Type	Method and Description
int	compareTo(@NotNull GroupPartitionId o)
@NotNull FullPageId	createFirstPageFullId()
boolean	equals(Object o)
static byte	getFlagByPartId(int partId)
int	getGroupId()
int	getPartitionId()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupPartitionId

public GroupPartitionId(int grpId,
                        int partId)

Creates group-partition tuple.

Parameters:

grpId - Group ID.

partId - Partition ID.

Method Detail

getFlagByPartId

public static byte getFlagByPartId(int partId)

Parameters:

partId - Partition ID.

Returns:

flag to be used for partition

getGroupId

public int getGroupId()

Returns:

cache ID

getPartitionId

public int getPartitionId()

Returns:

Partition ID

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(@NotNull
                     @NotNull GroupPartitionId o)

Specified by:

compareTo in interface Comparable<GroupPartitionId>

createFirstPageFullId

@NotNull
public @NotNull FullPageId createFirstPageFullId()

Returns:

will return super-page (metapage) of this partition