org.apache.ignite.internal.processors.query.h2.opt

Class GridH2QueryContext

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.GridH2QueryContext

public class GridH2QueryContext
extends Object

Thread local SQL query context which is intended to be accessible from everywhere.

Constructor Summary

Constructors

Constructor and Description
GridH2QueryContext(UUID locNodeId, UUID nodeId, long qryId, GridH2QueryType type)
GridH2QueryContext(UUID locNodeId, UUID nodeId, long qryId, int segmentId, GridH2QueryType type)

Method Summary

Modifier and Type	Method and Description
static boolean	clear(UUID locNodeId, UUID nodeId, long qryId, GridH2QueryType type)
static void	clearAfterDeadNode(UUID locNodeId, UUID nodeId)
void	clearContext(boolean nodeStop)
static void	clearLocalNodeStop(UUID locNodeId)
static void	clearThreadLocal() Drops current thread local context.
DistributedJoinMode	distributedJoinMode()
GridH2QueryContext	distributedJoinMode(DistributedJoinMode distributedJoinMode)
IndexingQueryFilter	filter()
GridH2QueryContext	filter(IndexingQueryFilter filter)
static GridH2QueryContext	get() Access current thread local query context (if it was set).
static GridH2QueryContext	get(UUID locNodeId, UUID nodeId, long qryId, int segmentId, GridH2QueryType type) Access query context from another thread.
<T> T	getSource(UUID ownerId, int segmentId, int batchLookupId)
<T> T	getStreams(int batchLookupId)
boolean	isCleared()
MapQueryLazyWorker	lazyWorker()
GridH2QueryContext	lazyWorker(MapQueryLazyWorker lazyWorker)
MvccSnapshot	mvccSnapshot()
GridH2QueryContext	mvccSnapshot(MvccSnapshot mvccSnapshot)
int	nextBatchLookupId()
UUID	nodeForPartition(int p, <any> cctx)
UUID	originNodeId()
int	pageSize()
GridH2QueryContext	pageSize(int pageSize)
Map<UUID,int[]>	partitionsMap()
GridH2QueryContext	partitionsMap(Map<UUID,int[]> partsMap)
void	putSource(UUID ownerId, int segmentId, int batchLookupId, Object src)
void	putStreams(int batchLookupId, Object streams)
GridH2CollocationModel	queryCollocationModel()
void	queryCollocationModel(GridH2CollocationModel qryCollocationMdl)
long	queryId()
GridH2QueryContext	reservations(List<GridReservable> reservations)
int	segment()
static void	set(GridH2QueryContext x) Sets current thread local context.
AffinityTopologyVersion	topologyVersion()
GridH2QueryContext	topologyVersion(AffinityTopologyVersion topVer)
String	toString()
GridH2QueryType	type()

Methods inherited from class java.lang.Object

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

Constructor Detail

GridH2QueryContext

public GridH2QueryContext(UUID locNodeId,
                          UUID nodeId,
                          long qryId,
                          GridH2QueryType type)

Parameters:

locNodeId - Local node ID.

nodeId - The node who initiated the query.

qryId - The query ID.

type - Query type.

GridH2QueryContext

public GridH2QueryContext(UUID locNodeId,
                          UUID nodeId,
                          long qryId,
                          int segmentId,
                          GridH2QueryType type)

Parameters:

locNodeId - Local node ID.

nodeId - The node who initiated the query.

qryId - The query ID.

segmentId - Index segment ID.

type - Query type.

Method Detail

mvccSnapshot

public MvccSnapshot mvccSnapshot()

Returns:

Mvcc snapshot.

mvccSnapshot

public GridH2QueryContext mvccSnapshot(MvccSnapshot mvccSnapshot)

Parameters:

mvccSnapshot - Mvcc snapshot.

Returns:

this.

type

public GridH2QueryType type()

Returns:

Type.

originNodeId

public UUID originNodeId()

Returns:

Origin node ID.

queryId

public long queryId()

Returns:

Query request ID.

queryCollocationModel

public GridH2CollocationModel queryCollocationModel()

Returns:

Query collocation model.

queryCollocationModel

public void queryCollocationModel(GridH2CollocationModel qryCollocationMdl)

Parameters:

qryCollocationMdl - Query collocation model.

distributedJoinMode

public GridH2QueryContext distributedJoinMode(DistributedJoinMode distributedJoinMode)

Parameters:

distributedJoinMode - Distributed join mode.

Returns:

this.

distributedJoinMode

public DistributedJoinMode distributedJoinMode()

Returns:

Distributed join mode.

reservations

public GridH2QueryContext reservations(List<GridReservable> reservations)

Parameters:

reservations - Reserved partitions or group reservations.

Returns:

this.

topologyVersion

public GridH2QueryContext topologyVersion(AffinityTopologyVersion topVer)

Parameters:

topVer - Topology version.

Returns:

this.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Returns:

Topology version.

partitionsMap

public GridH2QueryContext partitionsMap(Map<UUID,int[]> partsMap)

Parameters:

partsMap - Partitions map.

Returns:

this.

partitionsMap

public Map<UUID,int[]> partitionsMap()

Returns:

Partitions map.

nodeForPartition

public UUID nodeForPartition(int p,
                             <any> cctx)

Parameters:

p - Partition.

cctx - Cache context.

Returns:

Owning node ID.

segment

public int segment()

Returns:

index segment ID.

putStreams

public void putStreams(int batchLookupId,
                       Object streams)

Parameters:

batchLookupId - Batch lookup ID.

streams - Range streams.

getStreams

public <T> T getStreams(int batchLookupId)

Parameters:

batchLookupId - Batch lookup ID.

Returns:

Range streams.

putSource

public void putSource(UUID ownerId,
                      int segmentId,
                      int batchLookupId,
                      Object src)

Parameters:

ownerId - Owner node ID.

segmentId - Index segment ID.

batchLookupId - Batch lookup ID.

src - Range source.

getSource

public <T> T getSource(UUID ownerId,
                       int segmentId,
                       int batchLookupId)

Parameters:

ownerId - Owner node ID.

segmentId - Index segment ID.

batchLookupId - Batch lookup ID.

Returns:

Range source.

nextBatchLookupId

public int nextBatchLookupId()

Returns:

Next batch ID.

set

public static void set(GridH2QueryContext x)

Sets current thread local context. This method must be called when all the non-volatile properties are already set to ensure visibility for other threads.

Parameters:

x - Query context.

clearThreadLocal

public static void clearThreadLocal()

Drops current thread local context.

clear

public static boolean clear(UUID locNodeId,
                            UUID nodeId,
                            long qryId,
                            GridH2QueryType type)

Parameters:

locNodeId - Local node ID.

nodeId - The node who initiated the query.

qryId - The query ID.

type - Query type.

Returns:

True if context was found.

clearContext

public void clearContext(boolean nodeStop)

Parameters:

nodeStop - Node is stopping.

isCleared

public boolean isCleared()

Returns:

true If the context is cleared.

clearAfterDeadNode

public static void clearAfterDeadNode(UUID locNodeId,
                                      UUID nodeId)

Parameters:

locNodeId - Local node ID.

nodeId - Dead node ID.

clearLocalNodeStop

public static void clearLocalNodeStop(UUID locNodeId)

Parameters:

locNodeId - Local node ID.

get

public static GridH2QueryContext get()

Access current thread local query context (if it was set).

Returns:

Current thread local query context or null if the query runs outside of Ignite context.

get

public static GridH2QueryContext get(UUID locNodeId,
                                     UUID nodeId,
                                     long qryId,
                                     int segmentId,
                                     GridH2QueryType type)

Access query context from another thread.

Parameters:

locNodeId - Local node ID.

nodeId - The node who initiated the query.

qryId - The query ID.

segmentId - Index segment ID.

type - Query type.

Returns:

Query context.

filter

public IndexingQueryFilter filter()

Returns:

Filter.

filter

public GridH2QueryContext filter(IndexingQueryFilter filter)

Parameters:

filter - Filter.

Returns:

this.

pageSize

public int pageSize()

Returns:

Page size.

pageSize

public GridH2QueryContext pageSize(int pageSize)

Parameters:

pageSize - Page size.

Returns:

this.

lazyWorker

public MapQueryLazyWorker lazyWorker()

Returns:

Lazy worker, if any, or null if none.

lazyWorker

public GridH2QueryContext lazyWorker(MapQueryLazyWorker lazyWorker)

Parameters:

lazyWorker - Lazy worker, if any, or null if none.

Returns:

this.

toString

public String toString()

Overrides:

toString in class Object