oracle.ifs.core.extraction.handlers

Class InformationExtractionHandler

java.lang.Object

oracle.ifs.core.handlers.AuditEventHandlerAdapter

oracle.ifs.core.extraction.handlers.InformationExtractionHandlerDispatcher

oracle.ifs.core.extraction.handlers.InformationExtractionHandler

All Implemented Interfaces:

AuditEventHandler

public class InformationExtractionHandler
extends InformationExtractionHandlerDispatcher

InformationExtractionHandler implements the AuditEventHandler interface, and handles events used to drive the creation of an NLP InformationExtraction for a source Document.

Author:

Dave Long

Nested Class Summary

Nested classes/interfaces inherited from class oracle.ifs.core.extraction.handlers.InformationExtractionHandlerDispatcher

InformationExtractionHandlerDispatcher.DispatcherCallback

Field Summary

Fields inherited from class oracle.ifs.core.extraction.handlers.InformationExtractionHandlerDispatcher

PROPERTY_NAME_FINISHER_HANDLERS, PROPERTY_NAME_PARSER_HANDLERS, PROPERTY_NAME_PREPARER_HANDLERS, PROPERTY_NAME_PRIORITY_FINISHER_HANDLERS, PROPERTY_NAME_PRIORITY_PARSER_HANDLERS, PROPERTY_NAME_PRIORITY_PREPARER_HANDLERS, PROPERTY_NAME_PRIORITY_SOLVER_HANDLERS, PROPERTY_NAME_PRIORITY_TRAINER_HANDLERS, PROPERTY_NAME_SOLVER_HANDLERS, PROPERTY_NAME_TRAINER_HANDLERS

Fields inherited from class oracle.ifs.core.handlers.AuditEventHandlerAdapter

DEFAULT_BATCHSIZE

Constructor Summary

Constructors

Constructor and Description
InformationExtractionHandler()

Method Summary

Modifier and Type	Method and Description
IfsLogger	getLogger() Gets the logger, optionally from a subclass.
protected AuditSpecification	getNextFinisherHandler(InformationExtraction ext) Gets the next Handler for a FINISH.
protected AuditSpecification	getNextParserHandler(InformationExtraction ext) Gets the next Handler for a PARSE.
protected AuditSpecification	getNextPreparerHandler(InformationExtraction ext) Gets the next Handler for a PREPARE.
protected AuditSpecification	getNextSolverHandler(InformationExtraction ext) Gets the next Handler for a SOLVE.
protected AuditSpecification	getNextTrainerHandler(InformationExtraction ext) Gets the next Handler for a TRAIN.
void	handleEventPosted(AuditEventHandlerContext context) Called when at least one registered event is posted.
void	handleInitialize(AuditEventHandlerContext context) Initializes this handler.
void	handleTimerExpired(AuditEventHandlerContext context) Called when the timer for this AuditEventHandler expires.

Methods inherited from class oracle.ifs.core.extraction.handlers.InformationExtractionHandlerDispatcher

addCallback, getCallback, getFinisherHandlers, getParserHandlers, getPreparerHandlers, getPriorityFinisherHandlers, getPriorityParserHandlers, getPriorityPreparerHandlers, getPrioritySolverHandlers, getPriorityTrainerHandlers, getSolverHandlers, getTargetHandlersFromEventAssignmentTableList, getTrainerHandlers, handleDispose, handleInformationExtractionPrepareRequested, isDefaultHandlerSet, isMatchingHandlerSet, processEvent, processScheduledExtractions, removeCallback

Methods inherited from class oracle.ifs.core.handlers.AuditEventHandlerAdapter

deleteEvents, getAuditHandlerSpecification, getAuditSpecification, getHandlerProperty, processEvents, processEvents, selectEvents, selectEvents, selectMaximumEventId, setHandlerProperty

Methods inherited from class java.lang.Object

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

Constructor Detail

InformationExtractionHandler

public InformationExtractionHandler()

Method Detail

getLogger

public IfsLogger getLogger()

Gets the logger, optionally from a subclass.

Overrides:

getLogger in class InformationExtractionHandlerDispatcher

Returns:

the logger

handleInitialize

public void handleInitialize(AuditEventHandlerContext context)
                      throws Exception

Description copied from class: AuditEventHandlerAdapter

Initializes this handler.

Called immediately after construction.

Specified by:

handleInitialize in interface AuditEventHandler

Overrides:

handleInitialize in class InformationExtractionHandlerDispatcher

Parameters:

context - the AuditEventHandlerContext to use for processing

Throws:

Exception - if the operation fails

handleEventPosted

public void handleEventPosted(AuditEventHandlerContext context)
                       throws Exception

Description copied from class: AuditEventHandlerAdapter

Called when at least one registered event is posted.

Specified by:

handleEventPosted in interface AuditEventHandler

Overrides:

handleEventPosted in class InformationExtractionHandlerDispatcher

Parameters:

context - the AuditEventHandlerContext to use for processing

Throws:

Exception - if the operation fails

handleTimerExpired

public void handleTimerExpired(AuditEventHandlerContext context)
                        throws Exception

Description copied from class: AuditEventHandlerAdapter

Called when the timer for this AuditEventHandler expires.

Specified by:

handleTimerExpired in interface AuditEventHandler

Overrides:

handleTimerExpired in class InformationExtractionHandlerDispatcher

Parameters:

context - the AuditEventHandlerContext to use for processing

Throws:

Exception - if the operation fails

getNextPreparerHandler

protected AuditSpecification getNextPreparerHandler(InformationExtraction ext)
                                             throws IfsException

Description copied from class: InformationExtractionHandlerDispatcher

Gets the next Handler for a PREPARE.

Overrides:

getNextPreparerHandler in class InformationExtractionHandlerDispatcher

Parameters:

ext - the InformationExtraction

Returns:

the Preparer handler to dispatch to, or null if the dispatcher should handle the event

Throws:

IfsException - if the operation fails

getNextParserHandler

protected AuditSpecification getNextParserHandler(InformationExtraction ext)
                                           throws IfsException

Description copied from class: InformationExtractionHandlerDispatcher

Gets the next Handler for a PARSE.

Overrides:

getNextParserHandler in class InformationExtractionHandlerDispatcher

Parameters:

ext - the InformationExtraction

Returns:

the Parser handler to dispatch to, or null if the dispatcher should handle the event

Throws:

IfsException - if the operation fails

getNextSolverHandler

protected AuditSpecification getNextSolverHandler(InformationExtraction ext)
                                           throws IfsException

Description copied from class: InformationExtractionHandlerDispatcher

Gets the next Handler for a SOLVE.

Overrides:

getNextSolverHandler in class InformationExtractionHandlerDispatcher

Parameters:

ext - the InformationExtraction

Returns:

the Solver handler to dispatch to, or null if the dispatcher should handle the event

Throws:

IfsException - if the operation fails

getNextFinisherHandler

protected AuditSpecification getNextFinisherHandler(InformationExtraction ext)
                                             throws IfsException

Description copied from class: InformationExtractionHandlerDispatcher

Gets the next Handler for a FINISH.

Overrides:

getNextFinisherHandler in class InformationExtractionHandlerDispatcher

Parameters:

ext - the InformationExtraction

Returns:

the Finisher handler to dispatch to, or null if the dispatcher should handle the event

Throws:

IfsException - if the operation fails

getNextTrainerHandler

protected AuditSpecification getNextTrainerHandler(InformationExtraction ext)
                                            throws IfsException

Description copied from class: InformationExtractionHandlerDispatcher

Gets the next Handler for a TRAIN.

Overrides:

getNextTrainerHandler in class InformationExtractionHandlerDispatcher

Parameters:

ext - the InformationExtraction

Returns:

the Trainer handler to dispatch to, or null if the dispatcher should handle the event

Throws:

IfsException - if the operation fails