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

Class GridDhtPartitionDemandMessage

java.lang.Object

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

org.apache.ignite.internal.processors.cache.GridCacheGroupIdMessage

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

All Implemented Interfaces:

Serializable, Message

public class GridDhtPartitionDemandMessage
extends GridCacheGroupIdMessage

Partition demand request.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static IgniteProductVersion	VERSION_SINCE

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

grpId

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	Description
GridDhtPartitionDemandMessage()	Empty constructor required for Externalizable.
GridDhtPartitionDemandMessage(GridDhtPartitionDemandLegacyMessage cp)

Method Summary

Modifier and Type	Method	Description
boolean	addDeploymentInfo()	Deployment enabled flag indicates whether deployment info has to be added to this message.
GridCacheMessage	convertIfNeeded(IgniteProductVersion target)	Converts message to it's legacy version if necessary.
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.
IgniteDhtDemandedPartitionsMap	partitions()
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.
AffinityTopologyVersion	topologyVersion()	Gets topology version or -1 in case of topology version is not required for this message.
String	toString()
GridDhtPartitionDemandMessage	withNewPartitionsMap(@NotNull IgniteDhtDemandedPartitionsMap parts)	Creates copy of this message with new partitions map.
boolean	writeTo(ByteBuffer buf, MessageWriter writer)	Writes this message to provided byte buffer.

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

cacheGroupMessage, groupId, handlerId

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, 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

VERSION_SINCE

public static final IgniteProductVersion VERSION_SINCE

Constructor Detail

GridDhtPartitionDemandMessage

public GridDhtPartitionDemandMessage(GridDhtPartitionDemandLegacyMessage cp)

Parameters:

cp - Message to copy from.

GridDhtPartitionDemandMessage

public GridDhtPartitionDemandMessage()

Empty constructor required for Externalizable.

Method Detail

withNewPartitionsMap

public GridDhtPartitionDemandMessage withNewPartitionsMap(@NotNull
                                                          @NotNull IgniteDhtDemandedPartitionsMap parts)

Creates copy of this message with new partitions map.

Parameters:

parts - New partitions map.

Returns:

Copy of message with new partitions map.

partitions

public IgniteDhtDemandedPartitionsMap partitions()

Returns:

Partition.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Description copied from class: GridCacheMessage

Gets topology version or -1 in case of topology version is not required for this message.

Overrides:

topologyVersion in class GridCacheMessage

Returns:

Topology version for which demand message is sent.

convertIfNeeded

public GridCacheMessage convertIfNeeded(IgniteProductVersion target)

Converts message to it's legacy version if necessary.

Parameters:

target - Target version

Returns:

Converted message or this if conversion isn't necessary.

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.

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.

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 GridCacheGroupIdMessage

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 GridCacheGroupIdMessage

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 GridCacheGroupIdMessage

Returns:

Fields count.

toString

public String toString()

Overrides:

toString in class GridCacheGroupIdMessage