com.espertech.esper.epl.expression.subquery

Class ExprSubselectInNode

java.lang.Object

com.espertech.esper.epl.expression.core.ExprNodeBase

com.espertech.esper.epl.expression.subquery.ExprSubselectNode

com.espertech.esper.epl.expression.subquery.ExprSubselectInNode

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator, ExprForge, ExprNode, ExprNodeRenderable, ExprTypableReturnEval, ExprTypableReturnForge, ExprValidator, MetaDefItem, Serializable

public class ExprSubselectInNode
extends ExprSubselectNode

Represents a subselect in an expression tree.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.espertech.esper.epl.expression.subquery.ExprSubselectNode

ExprSubselectNode.SubqueryAggregationType

Field Summary

Fields inherited from class com.espertech.esper.epl.expression.subquery.ExprSubselectNode

EMPTY_SUBSELECT_ARRAY, filterExpr, havingExpr, rawEventType, selectAsNames, selectClause, selectClauseEvaluator, statementName, subselectAggregationService, subselectNumber

Constructor Summary

Constructors

Constructor and Description
ExprSubselectInNode(StatementSpecRaw statementSpec, boolean isNotIn)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext) Evaluate the lookup expression returning an evaluation result object.
Collection<EventBean>	evaluateGetCollEvents(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext context)
Collection	evaluateGetCollScalar(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext)
Class	getComponentTypeCollection()
Class	getEvaluationType()
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, int statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
boolean	isAllowMultiColumnSelect()
boolean	isNotIn() Returns true for not-in, or false for in.
LinkedHashMap<String,Object>	typableGetRowProperties()
void	validateSubquery(ExprValidationContext validationContext)

Methods inherited from class com.espertech.esper.epl.expression.subquery.ExprSubselectNode

equalsNode, evaluate, evaluateCodegen, evaluateGetEventBeanCodegen, evaluateGetROCollectionEvents, evaluateGetROCollectionEventsCodegen, evaluateGetROCollectionScalar, evaluateGetROCollectionScalarCodegen, evaluateTypableMulti, evaluateTypableMultiCodegen, evaluateTypableSingle, evaluateTypableSingleCodegen, getComplexity, getExprEvaluator, getExprEvaluatorEnumeration, getFilterExpr, getFilterSubqueryStreamTypes, getForge, getForgeRenderable, getHavingExpr, getPrecedence, getRawEventType, getRowProperties, getSelectClause, getStatementSpecCompiled, getStatementSpecRaw, getSubselectAggregationService, getSubselectAggregationType, getSubselectNumber, getTypableReturnEvaluator, isConstantResult, isFilterStreamSubselect, isMultirow, setFilterExpr, setFilterStreamSubselect, setFilterSubqueryStreamTypes, setHavingExpr, setRawEventType, setSelectAsNames, setSelectClause, setStatementSpecCompiled, setStrategy, setSubselectAggregationService, setSubselectAggregationType, toArray, toPrecedenceFreeEPL, validate

Methods inherited from class com.espertech.esper.epl.expression.core.ExprNodeBase

accept, accept, acceptChildnodes, addChildNode, addChildNodes, addChildNodeToFront, getChildNodes, replaceUnlistedChildNode, setChildNode, setChildNodes, toEPL

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprSubselectInNode

public ExprSubselectInNode(StatementSpecRaw statementSpec,
                           boolean isNotIn)

Method Detail

getEvaluationType

public Class getEvaluationType()

isNotIn

public boolean isNotIn()

Returns true for not-in, or false for in.

Returns:

true for not-in

validateSubquery

public void validateSubquery(ExprValidationContext validationContext)
                      throws ExprValidationException

Specified by:

validateSubquery in class ExprSubselectNode

Throws:

ExprValidationException

evaluate

public Object evaluate(EventBean[] eventsPerStream,
                       boolean isNewData,
                       Collection<EventBean> matchingEvents,
                       ExprEvaluatorContext exprEvaluatorContext)

Description copied from class: ExprSubselectNode

Evaluate the lookup expression returning an evaluation result object.

Specified by:

evaluate in class ExprSubselectNode

Parameters:

eventsPerStream - is the events for each stream in a join

isNewData - is true for new data, or false for old data

matchingEvents - is filtered results from the table of stored lookup events

exprEvaluatorContext - context for expression evalauation

Returns:

evaluation result

typableGetRowProperties

public LinkedHashMap<String,Object> typableGetRowProperties()

Specified by:

typableGetRowProperties in class ExprSubselectNode

evaluateTypableSingle

public Object[] evaluateTypableSingle(EventBean[] eventsPerStream,
                                      boolean isNewData,
                                      Collection<EventBean> matchingEvents,
                                      ExprEvaluatorContext exprEvaluatorContext)

Specified by:

evaluateTypableSingle in class ExprSubselectNode

evaluateTypableMulti

public Object[][] evaluateTypableMulti(EventBean[] eventsPerStream,
                                       boolean isNewData,
                                       Collection<EventBean> matchingEvents,
                                       ExprEvaluatorContext exprEvaluatorContext)

Specified by:

evaluateTypableMulti in class ExprSubselectNode

evaluateGetCollEvents

public Collection<EventBean> evaluateGetCollEvents(EventBean[] eventsPerStream,
                                                   boolean isNewData,
                                                   Collection<EventBean> matchingEvents,
                                                   ExprEvaluatorContext context)

Specified by:

evaluateGetCollEvents in class ExprSubselectNode

getEventTypeCollection

public EventType getEventTypeCollection(EventAdapterService eventAdapterService,
                                        int statementId)

getComponentTypeCollection

public Class getComponentTypeCollection()
                                 throws ExprValidationException

Throws:

ExprValidationException

evaluateGetEventBean

public EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                                      boolean isNewData,
                                      Collection<EventBean> matchingEvents,
                                      ExprEvaluatorContext exprEvaluatorContext)

Specified by:

evaluateGetEventBean in class ExprSubselectNode

evaluateGetCollScalar

public Collection evaluateGetCollScalar(EventBean[] eventsPerStream,
                                        boolean isNewData,
                                        Collection<EventBean> matchingEvents,
                                        ExprEvaluatorContext exprEvaluatorContext)

Specified by:

evaluateGetCollScalar in class ExprSubselectNode

isAllowMultiColumnSelect

public boolean isAllowMultiColumnSelect()

Specified by:

isAllowMultiColumnSelect in class ExprSubselectNode

getEventTypeSingle

public EventType getEventTypeSingle(EventAdapterService eventAdapterService,
                                    int statementId)
                             throws ExprValidationException

Throws:

ExprValidationException

evaluateGetEventBean

public EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                                      boolean isNewData,
                                      ExprEvaluatorContext context)

Specified by:

evaluateGetEventBean in interface ExprEnumerationEval

Overrides:

evaluateGetEventBean in class ExprSubselectNode