org.apache.ignite.internal.processors.cache.version

Class GridCacheVersion

java.lang.Object

org.apache.ignite.internal.processors.cache.version.GridCacheVersion

All Implemented Interfaces:

Externalizable, Serializable, Comparable<GridCacheVersion>, Message

Direct Known Subclasses:

GridCacheVersionEx

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

Grid unique version.

See Also:

Serialized Form

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
IgniteUuid	asGridUuid()
int	compareTo(GridCacheVersion other)
GridCacheVersion	conflictVersion()
byte	dataCenterId()
byte	directType() Gets message type.
boolean	equals(Object o)
byte	fieldsCount() Gets fields count.
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)
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
int	topologyVersion()
String	toString()
void	writeExternal(ObjectOutput out)
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

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.

conflictVersion

public GridCacheVersion conflictVersion()

Returns:

Conflict 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.

asGridUuid

public IgniteUuid 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>

writeTo

public boolean writeTo(ByteBuffer buf,
              MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
               MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Returns:

Fields count.

toString

public String toString()

Overrides:

toString in class Object