com.espertech.esper.epl.declexpr

Class ExprDeclaredForgeBase

java.lang.Object

com.espertech.esper.epl.declexpr.ExprDeclaredForgeBase

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator, ExprForge, ExprTypableReturnEval, ExprTypableReturnForge

Direct Known Subclasses:

ExprDeclaredForgeNoRewrite, ExprDeclaredForgeRewrite

public abstract class ExprDeclaredForgeBase
extends Object
implements ExprForge, ExprTypableReturnForge, ExprTypableReturnEval, ExprEnumerationForge, ExprEnumerationEval

Constructor Summary

Constructors

Constructor and Description
ExprDeclaredForgeBase(ExprDeclaredNodeImpl parent, ExprForge innerForge, boolean isCache, boolean audit, String engineURI, String statementName)

Method Summary

Modifier and Type	Method and Description
protected abstract CodegenExpression	codegenEventsPerStreamRewritten(CodegenExpression eventsPerStream, CodegenContext context)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.
CodegenExpression	evaluateCodegen(CodegenParamSetExprPremade params, CodegenContext context)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetEventBeanCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionEventsCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionScalarCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableMultiCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableSingleCodegen(CodegenParamSetExprPremade params, CodegenContext context)
ExprForgeComplexityEnum	getComplexity()
Class	getComponentTypeCollection()
Class	getEvaluationType()
abstract EventBean[]	getEventsPerStreamRewritten(EventBean[] eventsPerStream)
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, int statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
ExprEvaluator	getExprEvaluator()
ExprEnumerationEval	getExprEvaluatorEnumeration()
ExprNode	getForgeRenderable()
ExprForge	getInnerForge()
LinkedHashMap<String,Object>	getRowProperties() Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.
ExprTypableReturnEval	getTypableReturnEvaluator()
Boolean	isMultirow() Return true for multi-row return, return false for return of single row only

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprDeclaredForgeBase

public ExprDeclaredForgeBase(ExprDeclaredNodeImpl parent,
                             ExprForge innerForge,
                             boolean isCache,
                             boolean audit,
                             String engineURI,
                             String statementName)

Method Detail

getEventsPerStreamRewritten

public abstract EventBean[] getEventsPerStreamRewritten(EventBean[] eventsPerStream)

codegenEventsPerStreamRewritten

protected abstract CodegenExpression codegenEventsPerStreamRewritten(CodegenExpression eventsPerStream,
                                                                     CodegenContext context)

getTypableReturnEvaluator

public ExprTypableReturnEval getTypableReturnEvaluator()

Specified by:

getTypableReturnEvaluator in interface ExprTypableReturnForge

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

Specified by:

getExprEvaluatorEnumeration in interface ExprEnumerationForge

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

getEvaluationType

public Class getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

getInnerForge

public ExprForge getInnerForge()

getRowProperties

public LinkedHashMap<String,Object> getRowProperties()
                                              throws ExprValidationException

Description copied from interface: ExprTypableReturnForge

Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.

Specified by:

getRowProperties in interface ExprTypableReturnForge

Returns:

map of property names and types or null

Throws:

ExprValidationException - if the expression is invalid

isMultirow

public Boolean isMultirow()

Description copied from interface: ExprTypableReturnForge

Return true for multi-row return, return false for return of single row only

Specified by:

isMultirow in interface ExprTypableReturnForge

Returns:

multi-row flag

evaluateTypableSingle

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

Specified by:

evaluateTypableSingle in interface ExprTypableReturnEval

evaluateTypableSingleCodegen

public CodegenExpression evaluateTypableSingleCodegen(CodegenParamSetExprPremade params,
                                                      CodegenContext context)

Specified by:

evaluateTypableSingleCodegen in interface ExprTypableReturnForge

evaluateTypableMulti

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

Specified by:

evaluateTypableMulti in interface ExprTypableReturnEval

evaluateTypableMultiCodegen

public CodegenExpression evaluateTypableMultiCodegen(CodegenParamSetExprPremade params,
                                                     CodegenContext context)

Specified by:

evaluateTypableMultiCodegen in interface ExprTypableReturnForge

evaluate

public final Object evaluate(EventBean[] eventsPerStream,
                             boolean isNewData,
                             ExprEvaluatorContext context)

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

Parameters:

eventsPerStream - - event tuple

isNewData - - indicates whether we are dealing with new data (istream) or old data (rstream)

context - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.

getComplexity

public ExprForgeComplexityEnum getComplexity()

Specified by:

getComplexity in interface ExprForge

evaluateCodegen

public CodegenExpression evaluateCodegen(CodegenParamSetExprPremade params,
                                         CodegenContext context)

Specified by:

evaluateCodegen in interface ExprForge

evaluateGetROCollectionEvents

public final Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream,
                                                                 boolean isNewData,
                                                                 ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionEvents in interface ExprEnumerationEval

evaluateGetROCollectionEventsCodegen

public CodegenExpression evaluateGetROCollectionEventsCodegen(CodegenParamSetExprPremade params,
                                                              CodegenContext context)

Specified by:

evaluateGetROCollectionEventsCodegen in interface ExprEnumerationForge

evaluateGetROCollectionScalar

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

Specified by:

evaluateGetROCollectionScalar in interface ExprEnumerationEval

evaluateGetROCollectionScalarCodegen

public CodegenExpression evaluateGetROCollectionScalarCodegen(CodegenParamSetExprPremade params,
                                                              CodegenContext context)

Specified by:

evaluateGetROCollectionScalarCodegen in interface ExprEnumerationForge

getComponentTypeCollection

public Class getComponentTypeCollection()
                                 throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

getEventTypeCollection

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

Specified by:

getEventTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

getEventTypeSingle

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

Specified by:

getEventTypeSingle in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetEventBean

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

Specified by:

evaluateGetEventBean in interface ExprEnumerationEval

evaluateGetEventBeanCodegen

public CodegenExpression evaluateGetEventBeanCodegen(CodegenParamSetExprPremade params,
                                                     CodegenContext context)

Specified by:

evaluateGetEventBeanCodegen in interface ExprEnumerationForge

getForgeRenderable

public ExprNode getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprEnumerationForge

Specified by:

getForgeRenderable in interface ExprForge