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

Class IncrementalSnapshotAwareMessage

java.lang.Object

org.apache.ignite.internal.processors.cache.GridCacheMessage

org.apache.ignite.internal.processors.cache.persistence.snapshot.IncrementalSnapshotAwareMessage

All Implemented Interfaces:

Serializable, Message

public class IncrementalSnapshotAwareMessage
extends GridCacheMessage

Message that holds a transaction message and incremental snapshot ID.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static short	TYPE_CODE

Fields inherited from class org.apache.ignite.internal.processors.cache.GridCacheMessage

addDepInfo, CACHE_MSG_INDEX_FIELD_NAME, forceAddDepInfo, MAX_CACHE_MSG_LOOKUP_INDEX

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

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor and Description
IncrementalSnapshotAwareMessage()
IncrementalSnapshotAwareMessage(GridCacheMessage payload, UUID id, @Nullable UUID txSnpId, long topVer)

Method Summary

Modifier and Type	Method and Description
boolean	addDeploymentInfo() Deployment enabled flag indicates whether deployment info has to be added to this message.
boolean	cacheGroupMessage()
short	directType() Gets message type.
byte	fieldsCount() Gets fields count.
void	finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.
int	handlerId()
UUID	id()
GridCacheMessage	payload()
void	prepareMarshal(GridCacheSharedContext ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
long	snapshotTopologyVersion()
UUID	txInrementalSnapshotId() ID of the latest incremental snapshot after which this transaction committed.
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class org.apache.ignite.internal.processors.cache.GridCacheMessage

appendFlag, classError, deployInfo, error, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lastAffinityChangedTopologyVersion, lastAffinityChangedTopologyVersion, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, messageLogger, nextIndexId, onAckReceived, onClassError, partition, partitionExchangeMessage, prepare, prepareMarshalCacheObject, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, prepareObject, topologyVersion, toString, transferExpiryPolicy, unmarshalCollection, unmarshalInfo, unmarshalInfos, unmarshalInvokeArguments, unmarshalTx

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TYPE_CODE

public static final short TYPE_CODE

See Also:

Constant Field Values

Constructor Detail

IncrementalSnapshotAwareMessage

public IncrementalSnapshotAwareMessage()

IncrementalSnapshotAwareMessage

public IncrementalSnapshotAwareMessage(GridCacheMessage payload,
                                       UUID id,
                                       @Nullable
                                       @Nullable UUID txSnpId,
                                       long topVer)

Method Detail

id

public UUID id()

Returns:

Incremental snapshot ID.

txInrementalSnapshotId

public UUID txInrementalSnapshotId()

ID of the latest incremental snapshot after which this transaction committed.

payload

public GridCacheMessage payload()

snapshotTopologyVersion

public long snapshotTopologyVersion()

Returns:

Incremental snapshot topology version.

prepareMarshal

public void prepareMarshal(GridCacheSharedContext ctx)
                    throws IgniteCheckedException

This method is called before the whole message is serialized and is responsible for pre-marshalling state.

Overrides:

prepareMarshal in class GridCacheMessage

Parameters:

ctx - Cache context.

Throws:

IgniteCheckedException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheSharedContext ctx,
                            ClassLoader ldr)
                     throws IgniteCheckedException

This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.

Overrides:

finishUnmarshal in class GridCacheMessage

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Overrides:

writeTo in class GridCacheMessage

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

Overrides:

readFrom in class GridCacheMessage

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public short directType()

Gets message type.

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Overrides:

fieldsCount in class GridCacheMessage

Returns:

Fields count.

addDeploymentInfo

public boolean addDeploymentInfo()

Deployment enabled flag indicates whether deployment info has to be added to this message.

Specified by:

addDeploymentInfo in class GridCacheMessage

Returns:

true or if deployment info must be added to the the message, false otherwise.

handlerId

public int handlerId()

Specified by:

handlerId in class GridCacheMessage

Returns:

ID to distinguish message handlers for the same messages but for different caches/cache groups.

cacheGroupMessage

public boolean cacheGroupMessage()

Specified by:

cacheGroupMessage in class GridCacheMessage

Returns:

True if cache group message.