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

Class GridDhtPartitionsSingleMessage<K,V>

java.lang.Object

org.apache.ignite.plugin.extensions.communication.MessageAdapter

org.apache.ignite.internal.processors.cache.GridCacheMessage<K,V>

org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsSingleMessage<K,V>

All Implemented Interfaces:

Serializable

public class GridDhtPartitionsSingleMessage<K,V>
extends GridCacheMessage<K,V>

Information about partitions of a single node.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

MessageAdapter.Type

Field Summary

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

CACHE_MSG_INDEX_FIELD_NAME, cacheId, MAX_CACHE_MSG_LOOKUP_INDEX

Fields inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

reader, readState

Constructor Summary

Constructors

Constructor and Description
GridDhtPartitionsSingleMessage() Required by Externalizable.
GridDhtPartitionsSingleMessage(GridDhtPartitionExchangeId exchId, 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()
byte	directType() Gets message type.
GridDhtPartitionExchangeId	exchangeId()
void	finishUnmarshal(GridCacheSharedContext<K,V> 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()
Map<Integer,GridDhtPartitionMap>	partitions()
void	prepareMarshal(GridCacheSharedContext<K,V> ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf) 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, ignoreClassErrors, lookupIndex, marshalBooleanLinkedMap, marshalCollection, marshalFilter, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, marshalValuesCollection, messageId, nextIndexId, onClassError, prepare, prepareFilter, prepareObject, prepareObjects, topologyVersion, transactional, transferExpiryPolicy, unmarshalBooleanLinkedMap, unmarshalCollection, unmarshalFilter, unmarshalInfo, unmarshalInfos, unmarshalInvokeArguments, unmarshalTx, unmarshalValueBytesCollection

Methods inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

setReader, skipRecovery

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,
                              @Nullable
                              GridCacheVersion lastVer)

Parameters:

exchId - Exchange ID.

lastVer - Last version.

Method Detail

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<K,V> 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<K,V>

Parameters:

ctx -

Throws:

IgniteCheckedException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheSharedContext<K,V> 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<K,V>

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.

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Reads this message from provided byte buffer.

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Specified by:

directType in class MessageAdapter

Returns:

Message type.

toString

public String toString()

allowForStartup

public boolean allowForStartup()

Overrides:

allowForStartup in class GridCacheMessage<K,V>

Returns:

True if this message is preloader message.

exchangeId

public GridDhtPartitionExchangeId exchangeId()

Returns:

Exchange ID.

lastVersion

@Nullable
public GridCacheVersion lastVersion()

Returns:

Last used version among all nodes.