com.espertech.esper.rowregex
Class EventRowRegexNFAViewFactory

java.lang.Object
  com.espertech.esper.view.ViewFactorySupport
      com.espertech.esper.rowregex.EventRowRegexNFAViewFactory

All Implemented Interfaces:

ViewFactory

public class EventRowRegexNFAViewFactory
extends ViewFactorySupport

View factory for match-recognize view.

Field Summary

protected java.util.List<AggregationServiceAggExpressionDesc>	aggregationExpressions
protected AggregationServiceMatchRecognize	aggregationService
protected java.util.TreeMap<java.lang.Integer,java.util.List<ExprPreviousMatchRecognizeNode>>	callbacksPerIndex
protected ObjectArrayEventType	compositeEventType
protected ObjectArrayBackedEventBean	defineMultimatchEventBean
protected RowRegexExprNode	expandedPatternNode
protected boolean	isCollectMultimatches
protected boolean	isDefineAsksMultimatches
protected boolean[]	isExprRequiresMultimatchState
protected boolean	isIterateOnly
protected boolean	isUnbound
protected ConfigurationEngineDefaults.MatchRecognize	matchRecognizeConfig
protected MatchRecognizeSpec	matchRecognizeSpec
protected EventType	rowEventType
protected java.util.Map<java.lang.Integer,java.lang.String>	streamVariables
protected java.util.Set<java.lang.String>	variablesSingle
protected java.util.LinkedHashMap<java.lang.String,Pair<java.lang.Integer,java.lang.Boolean>>	variableStreams

Constructor Summary

EventRowRegexNFAViewFactory(ViewFactoryChain viewChain, MatchRecognizeSpec matchRecognizeSpec, AgentInstanceContext agentInstanceContext, boolean isUnbound, java.lang.annotation.Annotation[] annotations, ConfigurationEngineDefaults.MatchRecognize matchRecognizeConfig)
Ctor.

Method Summary

void	attach(EventType parentEventType, StatementContext statementContext, ViewFactory optionalParentFactory, java.util.List<ViewFactory> parentViewFactories) Attaches the factory to a parent event type such that the factory can validate attach requirements and determine an event type for resulting views.
java.util.List<AggregationServiceAggExpressionDesc>	getAggregationExpressions()
AggregationServiceMatchRecognize	getAggregationService()
EventType	getEventType() Returns the event type that the view that is created by the view factory would create for events posted by the view.
java.util.Set<ExprPreviousMatchRecognizeNode>	getPreviousExprNodes()
java.lang.String	getViewName() Returns the name of the view, not namespace+name but readable name.
View	makeView(AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext) Create a new view.
void	setViewParameters(ViewFactoryContext viewFactoryContext, java.util.List<ExprNode> viewParameters) Indicates user EPL query view parameters to the view factory.

Methods inherited from class com.espertech.esper.view.ViewFactorySupport

assertReturnsNonConstant, canReuse, evaluateAssertNoProperties, getViewParamMessageNumericOrTimePeriod, validate, validateAndEvaluate, validateAndEvaluate, validateAndEvaluateExpr, validateExpr

Methods inherited from class java.lang.Object

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

Field Detail

matchRecognizeSpec

protected final MatchRecognizeSpec matchRecognizeSpec

variableStreams

protected final java.util.LinkedHashMap<java.lang.String,Pair<java.lang.Integer,java.lang.Boolean>> variableStreams

streamVariables

protected final java.util.Map<java.lang.Integer,java.lang.String> streamVariables

variablesSingle

protected final java.util.Set<java.lang.String> variablesSingle

compositeEventType

protected final ObjectArrayEventType compositeEventType

rowEventType

protected final EventType rowEventType

aggregationService

protected final AggregationServiceMatchRecognize aggregationService

aggregationExpressions

protected final java.util.List<AggregationServiceAggExpressionDesc> aggregationExpressions

callbacksPerIndex

protected final java.util.TreeMap<java.lang.Integer,java.util.List<ExprPreviousMatchRecognizeNode>> callbacksPerIndex

isUnbound

protected final boolean isUnbound

isIterateOnly

protected final boolean isIterateOnly

isCollectMultimatches

protected final boolean isCollectMultimatches

isDefineAsksMultimatches

protected final boolean isDefineAsksMultimatches

defineMultimatchEventBean

protected final ObjectArrayBackedEventBean defineMultimatchEventBean

isExprRequiresMultimatchState

protected final boolean[] isExprRequiresMultimatchState

expandedPatternNode

protected final RowRegexExprNode expandedPatternNode

matchRecognizeConfig

protected final ConfigurationEngineDefaults.MatchRecognize matchRecognizeConfig

Constructor Detail

EventRowRegexNFAViewFactory

public EventRowRegexNFAViewFactory(ViewFactoryChain viewChain,
                                   MatchRecognizeSpec matchRecognizeSpec,
                                   AgentInstanceContext agentInstanceContext,
                                   boolean isUnbound,
                                   java.lang.annotation.Annotation[] annotations,
                                   ConfigurationEngineDefaults.MatchRecognize matchRecognizeConfig)
                            throws ExprValidationException

Ctor.

Parameters:

viewChain - views

matchRecognizeSpec - specification

isUnbound - true for unbound stream

annotations - annotations

Throws:

ExprValidationException - if validation fails

Method Detail

setViewParameters

public void setViewParameters(ViewFactoryContext viewFactoryContext,
                              java.util.List<ExprNode> viewParameters)
                       throws ViewParameterException

Description copied from interface: ViewFactory

Indicates user EPL query view parameters to the view factory.

Parameters:

viewFactoryContext - supplied context information for the view factory

viewParameters - is the objects representing the view parameters

Throws:

ViewParameterException - if the parameters don't match view parameter needs

attach

public void attach(EventType parentEventType,
                   StatementContext statementContext,
                   ViewFactory optionalParentFactory,
                   java.util.List<ViewFactory> parentViewFactories)
            throws ViewParameterException

Description copied from interface: ViewFactory

Attaches the factory to a parent event type such that the factory can validate attach requirements and determine an event type for resulting views.

Parameters:

parentEventType - is the parent event stream's or view factory's event type

statementContext - contains the services needed for creating a new event type

optionalParentFactory - is null when there is no parent view factory, or contains the parent view factory

parentViewFactories - is a list of all the parent view factories or empty list if there are none

Throws:

ViewParameterException - is thrown to indicate that this view factories's view would not play with the parent view factories view

makeView

public View makeView(AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)

Description copied from interface: ViewFactory

Create a new view.

getEventType

public EventType getEventType()

Description copied from interface: ViewFactory

Returns the event type that the view that is created by the view factory would create for events posted by the view.

Returns:

event type of view's created by the view factory

getAggregationExpressions

public java.util.List<AggregationServiceAggExpressionDesc> getAggregationExpressions()

getAggregationService

public AggregationServiceMatchRecognize getAggregationService()

getPreviousExprNodes

public java.util.Set<ExprPreviousMatchRecognizeNode> getPreviousExprNodes()

getViewName

public java.lang.String getViewName()

Description copied from interface: ViewFactory

Returns the name of the view, not namespace+name but readable name.

Returns:

readable name