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

Class GridDhtPartitionsSingleMessage

java.lang.Object

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

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

All Implemented Interfaces:

Serializable, Message

public class GridDhtPartitionsSingleMessage
extends GridCacheMessage

Information about partitions of a single node.

See Also:

Serialized Form

Field Summary

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

CACHE_MSG_INDEX_FIELD_NAME, cacheId, MAX_CACHE_MSG_LOOKUP_INDEX

Constructor Summary

Constructors

Constructor and Description
GridDhtPartitionsSingleMessage() Required by Externalizable.
GridDhtPartitionsSingleMessage(GridDhtPartitionExchangeId exchId, boolean client, GridCacheVersion lastVer)

Method Summary

Methods

Modifier and Type	Method and Description
void	addLocalPartitionMap(int cacheId, GridDhtPartitionMap locMap) Adds partition map to this message.
boolean	allowForStartup()
boolean	client()
byte	directType() Gets message type.
GridDhtPartitionExchangeId	exchangeId()
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.
GridCacheVersion	lastVersion()
boolean	partitionExchangeMessage()
Map<Integer,GridDhtPartitionMap>	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.
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

cacheId, cacheId, classError, deployInfo, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onClassError, prepare, prepareMarshalCacheObjects, prepareMarshalCacheObjects, 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

Constructor Detail

GridDhtPartitionsSingleMessage

public GridDhtPartitionsSingleMessage()

Required by Externalizable.

GridDhtPartitionsSingleMessage

public GridDhtPartitionsSingleMessage(GridDhtPartitionExchangeId exchId,
                              boolean client,
                              @Nullable
                              GridCacheVersion lastVer)

Parameters:

exchId - Exchange ID.

client - Client message flag.

lastVer - Last version.

Method Detail

client

public boolean client()

Returns:

True if sent from client node.

addLocalPartitionMap

public void addLocalPartitionMap(int cacheId,
                        GridDhtPartitionMap locMap)

Adds partition map to this message.

Parameters:

cacheId - Cache ID to add local partition for.

locMap - Local partition map.

partitions

public Map<Integer,GridDhtPartitionMap> partitions()

Returns:

Local partitions.

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 -

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

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 byte directType()

Gets message type.

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Returns:

Fields count.

toString

public String toString()

allowForStartup

public boolean allowForStartup()

Overrides:

allowForStartup in class GridCacheMessage

Returns:

True if this message is preloader message.

partitionExchangeMessage

public boolean partitionExchangeMessage()

Overrides:

partitionExchangeMessage in class GridCacheMessage

Returns:

True if this message is partition exchange message.

exchangeId

public GridDhtPartitionExchangeId exchangeId()

Returns:

Exchange ID.

lastVersion

@Nullable
public GridCacheVersion lastVersion()

Returns:

Last used version among all nodes.