Package org.apache.ignite.internal.processors.session

Class GridTaskSessionProcessor

java.lang.Object

org.apache.ignite.internal.processors.GridProcessorAdapter

org.apache.ignite.internal.processors.session.GridTaskSessionProcessor

All Implemented Interfaces:

GridComponent, GridProcessor

public class GridTaskSessionProcessor
extends GridProcessorAdapter

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ignite.internal.GridComponent

GridComponent.DiscoveryDataExchangeType

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

ctx, diagnosticLog, log

Constructor Summary

Constructors

Constructor	Description
GridTaskSessionProcessor(GridKernalContext ctx)

Method Summary

Modifier and Type	Method	Description
GridTaskSessionImpl	createTaskSession(IgniteUuid sesId, UUID taskNodeId, String taskName, @Nullable GridDeployment dep, String taskClsName, @Nullable Collection<UUID> top, @Nullable IgnitePredicate<ClusterNode> topPred, long startTime, long endTime, Collection<ComputeJobSibling> siblings, Map<Object,Object> attrs, boolean fullSup, boolean internal, @Nullable String execName, @Nullable SecurityContext secCtx)	Creates task session.
@Nullable GridTaskSessionImpl	getSession(IgniteUuid sesId)
void	printMemoryStats()	Prints memory statistics (sizes of internal structures, etc.).
boolean	removeSession(IgniteUuid sesId)	Removes session for a given session ID.
void	start()	Starts session processor.
void	stop(boolean cancel)	Stops session processor.

Methods inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

assertParameter, collectGridNodeData, collectJoiningNodeData, discoveryDataType, onDisconnected, onGridDataReceived, onJoiningNodeDataReceived, onKernalStart, onKernalStop, onReconnected, toString, validateNode, validateNode

Methods inherited from class java.lang.Object

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

Constructor Detail

GridTaskSessionProcessor

public GridTaskSessionProcessor(GridKernalContext ctx)

Parameters:

ctx - Grid kernal context.

Method Detail

start

public void start()
           throws IgniteCheckedException

Starts session processor.

Specified by:

start in interface GridComponent

Overrides:

start in class GridProcessorAdapter

Throws:

IgniteCheckedException - Throws in case of any errors.

stop

public void stop(boolean cancel)
          throws IgniteCheckedException

Stops session processor.

Specified by:

stop in interface GridComponent

Overrides:

stop in class GridProcessorAdapter

Parameters:

cancel - If true, then all ongoing tasks or jobs for relevant components need to be cancelled.

Throws:

IgniteCheckedException - Thrown in case of any errors.

createTaskSession

public GridTaskSessionImpl createTaskSession(IgniteUuid sesId,
                                             UUID taskNodeId,
                                             String taskName,
                                             @Nullable
                                             @Nullable GridDeployment dep,
                                             String taskClsName,
                                             @Nullable
                                             @Nullable Collection<UUID> top,
                                             @Nullable
                                             @Nullable IgnitePredicate<ClusterNode> topPred,
                                             long startTime,
                                             long endTime,
                                             Collection<ComputeJobSibling> siblings,
                                             Map<Object,Object> attrs,
                                             boolean fullSup,
                                             boolean internal,
                                             @Nullable
                                             @Nullable String execName,
                                             @Nullable
                                             @Nullable SecurityContext secCtx)

Creates task session.

Parameters:

sesId - Session ID.

taskNodeId - Task node ID.

taskName - Task name.

dep - Deployment.

taskClsName - Task class name.

top - Topology.

topPred - Topology predicate.

startTime - Execution start time.

endTime - Execution end time.

siblings - Collection of siblings.

attrs - Map of attributes.

fullSup - True to enable distributed session attributes and checkpoints.

internal - True in case of internal task.

execName - Custom executor name.

secCtx - Security context of the user who created the session, null if security is not enabled.

Returns:

New session if one did not exist, or existing one.

getSession

@Nullable
public @Nullable GridTaskSessionImpl getSession(IgniteUuid sesId)

Parameters:

sesId - Session ID.

Returns:

Session for a given session ID.

removeSession

public boolean removeSession(IgniteUuid sesId)

Removes session for a given session ID.

Parameters:

sesId - ID of session to remove.

Returns:

True if session was removed.

printMemoryStats

public void printMemoryStats()

Prints memory statistics (sizes of internal structures, etc.). NOTE: this method is for testing and profiling purposes only.

Specified by:

printMemoryStats in interface GridComponent

Overrides:

printMemoryStats in class GridProcessorAdapter