Package org.apache.ignite.internal.processors.affinity

Class AffinityTopologyVersion

java.lang.Object

org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion

All Implemented Interfaces:

Externalizable, Serializable, Comparable<AffinityTopologyVersion>, Message

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

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static AffinityTopologyVersion	NONE
static AffinityTopologyVersion	ZERO

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor	Description
AffinityTopologyVersion()	Empty constructor required by Externalizable.
AffinityTopologyVersion(long topVer)
AffinityTopologyVersion(long topVer, int minorTopVer)

Method Summary

Modifier and Type	Method	Description
boolean	after(AffinityTopologyVersion topVer)
boolean	before(AffinityTopologyVersion topVer)
int	compareTo(AffinityTopologyVersion o)
short	directType()	Gets message type.
boolean	equals(Object o)
byte	fieldsCount()	Gets fields count.
int	hashCode()
boolean	initialized()
boolean	isBetween(AffinityTopologyVersion lower, AffinityTopologyVersion upper)
int	minorTopologyVersion()
AffinityTopologyVersion	nextMinorVersion()
void	onAckReceived()	Method called when ack message received.
void	readExternal(ObjectInput in)
boolean	readFrom(ByteBuffer buf, MessageReader reader)	Reads this message from provided byte buffer.
long	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

Field Detail

NONE

public static final AffinityTopologyVersion NONE

ZERO

public static final AffinityTopologyVersion ZERO

Constructor Detail

AffinityTopologyVersion

public AffinityTopologyVersion()

Empty constructor required by Externalizable.

AffinityTopologyVersion

public AffinityTopologyVersion(long topVer)

Parameters:

topVer - Topology version.

AffinityTopologyVersion

public AffinityTopologyVersion(long topVer,
                               int minorTopVer)

Parameters:

topVer - Topology version.

minorTopVer - Minor topology version.

Method Detail

initialized

public boolean initialized()

Returns:

True if this is real topology version (neither NONE nor ZERO.

nextMinorVersion

public AffinityTopologyVersion nextMinorVersion()

Returns:

Topology version with incremented minor version.

topologyVersion

public long topologyVersion()

Returns:

Topology version.

minorTopologyVersion

public int minorTopologyVersion()

Returns:

Minor topology version.

compareTo

public int compareTo(AffinityTopologyVersion o)

Specified by:

compareTo in interface Comparable<AffinityTopologyVersion>

isBetween

public final boolean isBetween(AffinityTopologyVersion lower,
                               AffinityTopologyVersion upper)

Parameters:

lower - Lower bound.

upper - Upper bound.

Returns:

True if this topology version is within provided bounds (inclusive).

after

public final boolean after(AffinityTopologyVersion topVer)

Parameters:

topVer - Test version.

Returns:

True if this topology happens strictly after than topVer.

before

public final boolean before(AffinityTopologyVersion topVer)

Parameters:

topVer - Test version.

Returns:

True if this topology happens strictly before than topVer.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

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 short 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