org.apache.ignite.internal.processors.platform

Class PlatformContextImpl

java.lang.Object

org.apache.ignite.internal.processors.platform.PlatformContextImpl

All Implemented Interfaces:

PartitionsExchangeAware, PlatformContext

public class PlatformContextImpl
extends Object
implements PlatformContext, PartitionsExchangeAware

Implementation of platform context.

Constructor Summary

Constructors

Constructor and Description
PlatformContextImpl(GridKernalContext ctx, PlatformCallbackGateway gate, PlatformMemoryManagerImpl mem, String platform) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addNode(ClusterNode node) Sends node info to native platform, if necessary.
PlatformCacheEntryFilter	createCacheEntryFilter(Object filter, long ptr) Create cache entry filter.
PlatformCacheEntryProcessor	createCacheEntryProcessor(Object proc, long ptr) Create cache entry processor.
PlatformJob	createClosureJob(Object task, long ptr, Object job) Create closure job.
PlatformClusterNodeFilter	createClusterNodeFilter(Object filter) Create cluster node filter.
PlatformContinuousQuery	createContinuousQuery(long ptr, boolean hasFilter, @Nullable Object filter)
PlatformContinuousQueryFilter	createContinuousQueryFilter(Object filter) Create continuous query filter to be deployed on remote node.
PlatformJob	createJob(Object task, long ptr, @Nullable Object job) Create job.
PlatformEventFilterListener	createLocalEventFilter(long hnd) Create local event filter.
PlatformNativeException	createNativeException(Object cause) Create native exception.
PlatformEventFilterListener	createRemoteEventFilter(Object pred, int... types) Create remote event filter.
PlatformMessageFilter	createRemoteMessageFilter(Object filter, long ptr) Create remote message filter.
PlatformStreamReceiver	createStreamReceiver(Object rcv, long ptr, boolean keepBinary) Create stream receiver.
void	disableThreadLocalForPlatformCacheUpdate() Disables thread-local optimization for platform cache update.
void	enableThreadLocalForPlatformCacheUpdate() Enables thread-local optimization for platform cache update.
PlatformCallbackGateway	gateway() Gets platform callback gateway.
@Nullable BinaryMetadata	getBinaryType(String typeName) Gets platform binary type metadata.
byte	getMarshallerPlatformId() Gets marshaller platform id (see MarshallerPlatformIds).
boolean	isEventTypeSupported(int evtTyp) Check whether the given event type is supported.
boolean	isPlatformCacheSupported() Gets a value indicating whether current platform supports native cache.
GridKernalContext	kernalContext() Gets kernal context.
PlatformMemoryManager	memory() Gets platform memory manager.
void	onDoneAfterTopologyUnlock(GridDhtPartitionsExchangeFuture fut) Callback from exchange process completion; called after topology is unlocked.
String	platform() Gets the current platform name.
void	processMetadata(BinaryRawReaderEx reader) Process metadata from the platform.
BinaryRawReaderEx	reader(PlatformInputStream in) Get memory reader.
BinaryRawReaderEx	reader(PlatformMemory mem) Get memory reader.
void	updatePlatformCache(int cacheId, byte[] keyBytes, byte[] valBytes, int part, AffinityTopologyVersion ver) Updates the platform cache cache.
void	writeAllMetadata(BinaryRawWriterEx writer) Write all available metadata.
void	writeClusterMetrics(BinaryRawWriterEx writer, @Nullable ClusterMetrics metrics) Write cluster metrics.
void	writeEvent(BinaryRawWriterEx writer, Event evt) Write event.
void	writeMetadata(BinaryRawWriterEx writer, int typeId, boolean includeSchemas) Write metadata for the given type ID.
void	writeNode(BinaryRawWriterEx writer, ClusterNode node) Writes a node id to a stream and sends node info to native platform, if necessary.
void	writeNodes(BinaryRawWriterEx writer, Collection<ClusterNode> nodes) Writes multiple node ids to a stream and sends node info to native platform, if necessary.
BinaryRawWriterEx	writer(PlatformMemory mem) Get memory writer.
BinaryRawWriterEx	writer(PlatformOutputStream out) Get memory writer.
void	writeSchema(BinaryRawWriterEx writer, int typeId, int schemaId) Write schema for the given type ID and schema ID.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.processors.cache.distributed.dht.preloader.PartitionsExchangeAware

onDoneBeforeTopologyUnlock, onInitAfterTopologyLock, onInitBeforeTopologyLock

Constructor Detail

PlatformContextImpl

public PlatformContextImpl(GridKernalContext ctx,
                           PlatformCallbackGateway gate,
                           PlatformMemoryManagerImpl mem,
                           String platform)

Constructor.

Parameters:

ctx - Kernal context.

gate - Callback gateway.

mem - Memory manager.

platform - Platform name.

Method Detail

kernalContext

public GridKernalContext kernalContext()

Gets kernal context.

Specified by:

kernalContext in interface PlatformContext

Returns:

Kernal context.

memory

public PlatformMemoryManager memory()

Gets platform memory manager.

Specified by:

memory in interface PlatformContext

Returns:

Memory manager.

gateway

public PlatformCallbackGateway gateway()

Gets platform callback gateway.

Specified by:

gateway in interface PlatformContext

Returns:

Callback gateway.

reader

public BinaryRawReaderEx reader(PlatformMemory mem)

Get memory reader.

Specified by:

reader in interface PlatformContext

Parameters:

mem - Memory.

Returns:

Reader.

reader

public BinaryRawReaderEx reader(PlatformInputStream in)

Get memory reader.

Specified by:

reader in interface PlatformContext

Parameters:

in - Input.

Returns:

Reader.

writer

public BinaryRawWriterEx writer(PlatformMemory mem)

Get memory writer.

Specified by:

writer in interface PlatformContext

Parameters:

mem - Memory.

Returns:

Writer.

writer

public BinaryRawWriterEx writer(PlatformOutputStream out)

Get memory writer.

Specified by:

writer in interface PlatformContext

Parameters:

out - Output.

Returns:

Writer.

addNode

public void addNode(ClusterNode node)

Sends node info to native platform, if necessary.

Specified by:

addNode in interface PlatformContext

Parameters:

node - Node.

writeNode

public void writeNode(BinaryRawWriterEx writer,
                      ClusterNode node)

Writes a node id to a stream and sends node info to native platform, if necessary.

Specified by:

writeNode in interface PlatformContext

Parameters:

writer - Writer.

node - Node.

writeNodes

public void writeNodes(BinaryRawWriterEx writer,
                       Collection<ClusterNode> nodes)

Writes multiple node ids to a stream and sends node info to native platform, if necessary.

Specified by:

writeNodes in interface PlatformContext

Parameters:

writer - Writer.

nodes - Nodes.

writeClusterMetrics

public void writeClusterMetrics(BinaryRawWriterEx writer,
                                @Nullable
                                @Nullable ClusterMetrics metrics)

Write cluster metrics.

Specified by:

writeClusterMetrics in interface PlatformContext

Parameters:

writer - Writer.

metrics - Metrics.

processMetadata

public void processMetadata(BinaryRawReaderEx reader)

Process metadata from the platform.

Specified by:

processMetadata in interface PlatformContext

Parameters:

reader - Reader.

writeMetadata

public void writeMetadata(BinaryRawWriterEx writer,
                          int typeId,
                          boolean includeSchemas)

Write metadata for the given type ID.

Specified by:

writeMetadata in interface PlatformContext

Parameters:

writer - Writer.

typeId - Type ID.

includeSchemas - Whether to include binary object schemas into the result.

writeAllMetadata

public void writeAllMetadata(BinaryRawWriterEx writer)

Write all available metadata.

Specified by:

writeAllMetadata in interface PlatformContext

Parameters:

writer - Writer.

writeSchema

public void writeSchema(BinaryRawWriterEx writer,
                        int typeId,
                        int schemaId)

Write schema for the given type ID and schema ID.

Specified by:

writeSchema in interface PlatformContext

Parameters:

writer - Writer.

typeId - Type ID.

schemaId - Schema ID.

createContinuousQuery

public PlatformContinuousQuery createContinuousQuery(long ptr,
                                                     boolean hasFilter,
                                                     @Nullable
                                                     @Nullable Object filter)

Specified by:

createContinuousQuery in interface PlatformContext

Parameters:

ptr - Pointer to continuous query deployed on the platform.

hasFilter - Whether filter exists.

filter - Filter.

Returns:

Platform continuous query.

createContinuousQueryFilter

public PlatformContinuousQueryFilter createContinuousQueryFilter(Object filter)

Create continuous query filter to be deployed on remote node.

Specified by:

createContinuousQueryFilter in interface PlatformContext

Parameters:

filter - Native filter.

Returns:

Filter.

createRemoteMessageFilter

public PlatformMessageFilter createRemoteMessageFilter(Object filter,
                                                       long ptr)

Create remote message filter.

Specified by:

createRemoteMessageFilter in interface PlatformContext

Parameters:

filter - Native filter.

ptr - Pointer of deployed native filter.

Returns:

Filter.

isEventTypeSupported

public boolean isEventTypeSupported(int evtTyp)

Check whether the given event type is supported.

Specified by:

isEventTypeSupported in interface PlatformContext

Parameters:

evtTyp - Event type.

Returns:

True if supported.

writeEvent

public void writeEvent(BinaryRawWriterEx writer,
                       Event evt)

Write event.

Specified by:

writeEvent in interface PlatformContext

Parameters:

writer - Writer.

evt - Event.

createLocalEventFilter

public PlatformEventFilterListener createLocalEventFilter(long hnd)

Create local event filter.

Specified by:

createLocalEventFilter in interface PlatformContext

Parameters:

hnd - Native handle.

Returns:

Filter.

createRemoteEventFilter

public PlatformEventFilterListener createRemoteEventFilter(Object pred,
                                                           int... types)

Create remote event filter.

Specified by:

createRemoteEventFilter in interface PlatformContext

Parameters:

pred - Native predicate.

types - Event types.

Returns:

Filter.

createNativeException

public PlatformNativeException createNativeException(Object cause)

Create native exception.

Specified by:

createNativeException in interface PlatformContext

Parameters:

cause - Native cause.

Returns:

Exception.

createJob

public PlatformJob createJob(Object task,
                             long ptr,
                             @Nullable
                             @Nullable Object job)

Create job.

Specified by:

createJob in interface PlatformContext

Parameters:

task - Task.

ptr - Pointer.

job - Native job.

Returns:

job.

createClosureJob

public PlatformJob createClosureJob(Object task,
                                    long ptr,
                                    Object job)

Create closure job.

Specified by:

createClosureJob in interface PlatformContext

Parameters:

task - Native task.

ptr - Pointer.

job - Native job.

Returns:

Closure job.

createCacheEntryProcessor

public PlatformCacheEntryProcessor createCacheEntryProcessor(Object proc,
                                                             long ptr)

Create cache entry processor.

Specified by:

createCacheEntryProcessor in interface PlatformContext

Parameters:

proc - Native processor.

ptr - Pointer.

Returns:

Entry processor.

createCacheEntryFilter

public PlatformCacheEntryFilter createCacheEntryFilter(Object filter,
                                                       long ptr)

Create cache entry filter.

Specified by:

createCacheEntryFilter in interface PlatformContext

Parameters:

filter - Native filter.

ptr - Pointer.

Returns:

Entry filter.

createStreamReceiver

public PlatformStreamReceiver createStreamReceiver(Object rcv,
                                                   long ptr,
                                                   boolean keepBinary)

Create stream receiver.

Specified by:

createStreamReceiver in interface PlatformContext

Parameters:

rcv - Native receiver.

ptr - Pointer.

keepBinary - Keep binary flag.

Returns:

Stream receiver.

createClusterNodeFilter

public PlatformClusterNodeFilter createClusterNodeFilter(Object filter)

Create cluster node filter.

Specified by:

createClusterNodeFilter in interface PlatformContext

Parameters:

filter - Native filter.

Returns:

Cluster node filter.

platform

public String platform()

Gets the current platform name.

Specified by:

platform in interface PlatformContext

Returns:

Current platform name.

isPlatformCacheSupported

public boolean isPlatformCacheSupported()

Gets a value indicating whether current platform supports native cache.

Specified by:

isPlatformCacheSupported in interface PlatformContext

Returns:

True when native caching is supported; false otherwise.

updatePlatformCache

public void updatePlatformCache(int cacheId,
                                byte[] keyBytes,
                                byte[] valBytes,
                                int part,
                                AffinityTopologyVersion ver)

Updates the platform cache cache.

Specified by:

updatePlatformCache in interface PlatformContext

Parameters:

cacheId - Cache id.

keyBytes - Serialized key to update.

valBytes - Serialized value.

part - Key partition.

ver - Key version.

enableThreadLocalForPlatformCacheUpdate

public void enableThreadLocalForPlatformCacheUpdate()

Enables thread-local optimization for platform cache update.

Specified by:

enableThreadLocalForPlatformCacheUpdate in interface PlatformContext

disableThreadLocalForPlatformCacheUpdate

public void disableThreadLocalForPlatformCacheUpdate()

Disables thread-local optimization for platform cache update.

Specified by:

disableThreadLocalForPlatformCacheUpdate in interface PlatformContext

getBinaryType

@Nullable
public @Nullable BinaryMetadata getBinaryType(String typeName)

Gets platform binary type metadata.

Specified by:

getBinaryType in interface PlatformContext

Parameters:

typeName - Type name.

Returns:

Metadata when type exists; null otherwise.

getMarshallerPlatformId

public byte getMarshallerPlatformId()

Gets marshaller platform id (see MarshallerPlatformIds).

Specified by:

getMarshallerPlatformId in interface PlatformContext

Returns:

Marshaller platform id.

onDoneAfterTopologyUnlock

public void onDoneAfterTopologyUnlock(GridDhtPartitionsExchangeFuture fut)

Callback from exchange process completion; called after topology is unlocked.

Specified by:

onDoneAfterTopologyUnlock in interface PartitionsExchangeAware

Parameters:

fut - Partition map exchange future.