Package com.espertech.esper.common.internal.epl.expression.subquery

Class ExprSubselectExistsNode

java.lang.Object

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

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

com.espertech.esper.common.internal.epl.expression.subquery.ExprSubselectExistsNode

All Implemented Interfaces:

ExprEnumerationForge, ExprEvaluator, ExprForge, ExprForgeInstrumentable, ExprNode, ExprNodeRenderable, ExprTypableReturnForge, ExprValidator

public class ExprSubselectExistsNode
extends ExprSubselectNode

Represents an exists-subselect in an expression tree.

Nested Class Summary

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

ExprSubselectNode.SubqueryAggregationType

Field Summary

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

EMPTY_SUBSELECT_ARRAY, filterExpr, havingExpr, rawEventType, selectAsNames, selectClause

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprSubselectExistsNode(StatementSpecRaw statementSpec)

Method Summary

Modifier and Type	Method	Description
protected CodegenExpression	evalMatchesGetCollEventsCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
protected CodegenExpression	evalMatchesGetCollScalarCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
protected CodegenExpression	evalMatchesGetEventBeanCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
protected CodegenExpression	evalMatchesPlainCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
protected CodegenExpression	evalMatchesTypableMultiCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
protected CodegenExpression	evalMatchesTypableSingleCodegen(CodegenMethodScope parent, ExprSubselectEvalMatchSymbol symbols, CodegenClassScope classScope)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
EPTypeClass	getComponentTypeCollection()
EPTypeClass	getEvaluationType()
EventType	getEventTypeCollection(StatementRawInfo statementRawInfo, StatementCompileTimeServices compileTimeServices)
EventType	getEventTypeSingle(StatementRawInfo statementRawInfo, StatementCompileTimeServices compileTimeServices)
boolean	isAllowMultiColumnSelect()
LinkedHashMap<String,Object>	typableGetRowProperties()
void	validateSubquery(ExprValidationContext validationContext)

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

equalsNode, evaluate, evaluate, evaluateCodegen, evaluateCodegenUninstrumented, evaluateGetEventBeanCodegen, evaluateGetROCollectionEventsCodegen, evaluateGetROCollectionScalarCodegen, evaluateTypableMultiCodegen, evaluateTypableSingleCodegen, getExprEvaluator, getExprEvaluatorEnumeration, getFilterStreamExprValidationContext, getFilterSubqueryStreamTypes, getForge, getForgeConstantType, getForgeRenderable, getPrecedence, getRawEventType, getRowProperties, getSelectClause, getStatementSpecCompiled, getStatementSpecRaw, getSubselectAggregationType, getSubselectNumber, isConstantResult, isFilterStreamSubselect, isMultirow, setFilterExpr, setFilterStreamSubselect, setFilterSubqueryStreamTypes, setHavingExpr, setRawEventType, setSelectAsNames, setSelectClause, setStatementSpecCompiled, setSubselectAggregationType, toArray, toPrecedenceFreeEPL, validate

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

ExprSubselectExistsNode

public ExprSubselectExistsNode(StatementSpecRaw statementSpec)

Method Details

getEvaluationType

public EPTypeClass getEvaluationType()

validateSubquery

public void validateSubquery(ExprValidationContext validationContext)
                      throws ExprValidationException

Specified by:

validateSubquery in class ExprSubselectNode

Throws:

ExprValidationException

typableGetRowProperties

public LinkedHashMap<String,Object> typableGetRowProperties()

Specified by:

typableGetRowProperties in class ExprSubselectNode

evalMatchesPlainCodegen

protected CodegenExpression evalMatchesPlainCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesPlainCodegen in class ExprSubselectNode

getEventTypeCollection

public EventType getEventTypeCollection(StatementRawInfo statementRawInfo,
 StatementCompileTimeServices compileTimeServices)

evalMatchesGetCollEventsCodegen

protected CodegenExpression evalMatchesGetCollEventsCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesGetCollEventsCodegen in class ExprSubselectNode

getComponentTypeCollection

public EPTypeClass getComponentTypeCollection()
                                       throws ExprValidationException

Throws:

ExprValidationException

evalMatchesGetCollScalarCodegen

protected CodegenExpression evalMatchesGetCollScalarCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesGetCollScalarCodegen in class ExprSubselectNode

evalMatchesTypableMultiCodegen

protected CodegenExpression evalMatchesTypableMultiCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesTypableMultiCodegen in class ExprSubselectNode

isAllowMultiColumnSelect

public boolean isAllowMultiColumnSelect()

Specified by:

isAllowMultiColumnSelect in class ExprSubselectNode

getEventTypeSingle

public EventType getEventTypeSingle(StatementRawInfo statementRawInfo,
 StatementCompileTimeServices compileTimeServices)
                             throws ExprValidationException

Throws:

ExprValidationException

evaluateGetEventBean

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

evalMatchesTypableSingleCodegen

protected CodegenExpression evalMatchesTypableSingleCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesTypableSingleCodegen in class ExprSubselectNode

evalMatchesGetEventBeanCodegen

protected CodegenExpression evalMatchesGetEventBeanCodegen(CodegenMethodScope parent,
 ExprSubselectEvalMatchSymbol symbols,
 CodegenClassScope classScope)

Specified by:

evalMatchesGetEventBeanCodegen in class ExprSubselectNode