org.gridgain.grid.kernal.processors.cache

Class GridCacheVersion

java.lang.Object

org.gridgain.grid.kernal.processors.cache.GridCacheVersion

All Implemented Interfaces:

Externalizable, Serializable, Comparable<GridCacheVersion>, GridOptimizedMarshallable

Direct Known Subclasses:

GridCacheVersionEx

public class GridCacheVersion
extends Object
implements Comparable<GridCacheVersion>, Externalizable, GridOptimizedMarshallable

Grid unique version.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.gridgain.grid.marshaller.optimized.GridOptimizedMarshallable

CLS_ID_FIELD_NAME

Constructor Summary

Constructors

Constructor and Description
GridCacheVersion() Empty constructor required by Externalizable.
GridCacheVersion(int topVer, int nodeOrderDrId, long globalTime, long order)
GridCacheVersion(int topVer, long globalTime, long order, int nodeOrder, int dataCenterId)

Method Summary

Methods

Modifier and Type	Method and Description
GridUuid	asGridUuid()
int	compareTo(GridCacheVersion other)
byte	dataCenterId()
GridCacheVersion	drVersion()
boolean	equals(Object o)
Object	ggClassId() Implementation of this method should simply return value of GG_CLASS_ID field.
long	globalTime()
int	hashCode()
boolean	isGreater(GridCacheVersion ver)
boolean	isGreaterEqual(GridCacheVersion ver)
boolean	isLess(GridCacheVersion ver)
boolean	isLessEqual(GridCacheVersion ver)
int	nodeOrder()
int	nodeOrderAndDrIdRaw() Gets combined node order and DR ID.
long	order()
void	readExternal(ObjectInput in)
int	topologyVersion()
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheVersion

public GridCacheVersion()

Empty constructor required by Externalizable.

GridCacheVersion

public GridCacheVersion(int topVer,
                long globalTime,
                long order,
                int nodeOrder,
                int dataCenterId)

Parameters:

topVer - Topology version plus number of seconds from the start time of the first grid node.

globalTime - Globally adjusted time.

order - Version order.

nodeOrder - Node order.

dataCenterId - Replication data center ID.

GridCacheVersion

public GridCacheVersion(int topVer,
                int nodeOrderDrId,
                long globalTime,
                long order)

Parameters:

topVer - Topology version.

nodeOrderDrId - Node order and DR ID.

globalTime - Globally adjusted time.

order - Version order.

Method Detail

topologyVersion

public int topologyVersion()

Returns:

Topology version plus number of seconds from the start time of the first grid node..

nodeOrderAndDrIdRaw

public int nodeOrderAndDrIdRaw()

Gets combined node order and DR ID.

Returns:

Combined integer for node order and DR ID.

globalTime

public long globalTime()

Returns:

Adjusted time.

order

public long order()

Returns:

Version order.

nodeOrder

public int nodeOrder()

Returns:

Node order on which this version was assigned.

dataCenterId

public byte dataCenterId()

Returns:

DR mask.

drVersion

@Nullable
public GridCacheVersion drVersion()

Returns:

DR version.

isGreater

public boolean isGreater(GridCacheVersion ver)

Parameters:

ver - Version.

Returns:

True if this version is greater.

isGreaterEqual

public boolean isGreaterEqual(GridCacheVersion ver)

Parameters:

ver - Version.

Returns:

True if this version is greater or equal.

isLess

public boolean isLess(GridCacheVersion ver)

Parameters:

ver - Version.

Returns:

True if this version is less.

isLessEqual

public boolean isLessEqual(GridCacheVersion ver)

Parameters:

ver - Version.

Returns:

True if this version is less or equal.

ggClassId

public Object ggClassId()

Implementation of this method should simply return value of GG_CLASS_ID field.

Specified by:

ggClassId in interface GridOptimizedMarshallable

Returns:

Class ID for optimized marshalling.

asGridUuid

public GridUuid asGridUuid()

Returns:

Version represented as GridUuid

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(GridCacheVersion other)

Specified by:

compareTo in interface Comparable<GridCacheVersion>

toString

public String toString()

Overrides:

toString in class Object