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 static byte	COMPRESSED_FLAG_MASK

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

Methods

Modifier and Type	Method and Description
boolean	addDeploymentInfo() Deployment enabled flag indicates whether deployment info has to be added to this message.
boolean	cacheGroupMessage()
protected boolean	compressed()
protected void	compressed(boolean compressed)
GridDhtPartitionExchangeId	exchangeId()
byte	fieldsCount() Gets fields count.
GridCacheVersion	lastVersion()
int	partition()
boolean	partitionExchangeMessage()
abstract Map<Integer,T2<Long,Long>>	partitionUpdateCounters(int grpId)
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
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, 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

COMPRESSED_FLAG_MASK

protected static final byte COMPRESSED_FLAG_MASK

See Also:

Constant Field Values

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 GridDhtPartitionExchangeId exchangeId()

Returns:

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

partitionUpdateCounters

public abstract Map<Integer,T2<Long,Long>> partitionUpdateCounters(int grpId)

Parameters:

grpId - Cache group ID.

Returns:

Parition update counters.

lastVersion

@Nullable
public GridCacheVersion lastVersion()

Returns:

Last used version among all nodes.

compressed

protected final boolean compressed()

Returns:

True if message data is compressed.

compressed

protected final void compressed(boolean compressed)

Parameters:

compressed - True if message data is compressed.

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