org.apache.ignite.internal.processors.cache.distributed.dht.preloader

Class GridDhtPartitionsAbstractMessage

java.lang.Object

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

org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsAbstractMessage

All Implemented Interfaces:

Serializable, Message

Direct Known Subclasses:

GridDhtPartitionsFullMessage, GridDhtPartitionsSingleMessage, GridDhtPartitionsSingleRequest

public abstract class GridDhtPartitionsAbstractMessage
extends GridCacheMessage

Request for single partition info.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected byte	flags

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

Modifier	Constructor and Description
protected	GridDhtPartitionsAbstractMessage() Required by Externalizable.

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()
boolean	compressed()
void	compressed(boolean compressed)
@Nullable GridDhtPartitionExchangeId	exchangeId()
void	exchangeId(GridDhtPartitionExchangeId exchId)
byte	fieldsCount() Gets fields count.
@Nullable GridCacheVersion	lastVersion()
int	partition()
boolean	partitionExchangeMessage()
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
boolean	restoreState()
String	toString()
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, finishUnmarshal, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, handlerId, ignoreClassErrors, lastAffinityChangedTopologyVersion, lastAffinityChangedTopologyVersion, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, messageLogger, nextIndexId, onAckReceived, onClassError, prepare, prepareMarshal, prepareMarshalCacheObject, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, prepareObject, topologyVersion, transferExpiryPolicy, unmarshalCollection, unmarshalInfo, unmarshalInfos, unmarshalInvokeArguments, unmarshalTx

Methods inherited from class java.lang.Object

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

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

directType

Field Detail

flags

protected byte flags

Constructor Detail

GridDhtPartitionsAbstractMessage

protected GridDhtPartitionsAbstractMessage()

Required by Externalizable.

Method Detail

cacheGroupMessage

public boolean cacheGroupMessage()

Specified by:

cacheGroupMessage in class GridCacheMessage

Returns:

True if cache group message.

partition

public int partition()

Overrides:

partition in class GridCacheMessage

Returns:

Partition ID this message is targeted to or -1 if it cannot be determined.

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.

partitionExchangeMessage

public boolean partitionExchangeMessage()

Overrides:

partitionExchangeMessage in class GridCacheMessage

Returns:

True if this message is partition exchange message.

exchangeId

@Nullable
public @Nullable GridDhtPartitionExchangeId exchangeId()

Returns:

Exchange ID. Null if message doesn't belong to exchange process.

exchangeId

public void exchangeId(GridDhtPartitionExchangeId exchId)

Parameters:

exchId - Exchange ID.

lastVersion

@Nullable
public @Nullable GridCacheVersion lastVersion()

Returns:

Last used version among all nodes.

compressed

public final boolean compressed()

Returns:

True if message data is compressed.

compressed

public final void compressed(boolean compressed)

Parameters:

compressed - True if message data is compressed.

restoreState

public boolean restoreState()

Returns:

Restore exchange state flag.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Overrides:

fieldsCount in class GridCacheMessage

Returns:

Fields count.

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.

toString

public String toString()

Overrides:

toString in class GridCacheMessage