Package com.espertech.esper.common.internal.epl.expression.declared.compiletime

Class ExprDeclaredForgeBase

java.lang.Object

com.espertech.esper.common.internal.epl.expression.declared.compiletime.ExprDeclaredForgeBase

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator, ExprForge, ExprForgeInstrumentable, ExprTypableReturnEval, ExprTypableReturnForge

Direct Known Subclasses:

ExprDeclaredForgeNoRewrite, ExprDeclaredForgeRewrite, ExprDeclaredForgeRewriteWValue

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

Field Summary

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

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected abstract CodegenExpression	codegenEventsPerStreamRewritten(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
final Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)	Evaluate event tuple and return result.
CodegenExpression	evaluateCodegen(EPTypeClass requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
CodegenExpression	evaluateCodegenUninstrumented(EPTypeClass requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetEventBeanCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
final Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionEventsCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionScalarCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableMultiCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableSingleCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
EPTypeClass	getComponentTypeCollection()
EPType	getEvaluationType()
abstract EventBean[]	getEventsPerStreamRewritten(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
EventType	getEventTypeCollection(StatementRawInfo statementRawInfo, StatementCompileTimeServices compileTimeServices)
EventType	getEventTypeSingle(StatementRawInfo statementRawInfo, StatementCompileTimeServices compileTimeServices)
ExprEvaluator	getExprEvaluator()
ExprEnumerationEval	getExprEvaluatorEnumeration()
ExprForgeConstantType	getForgeConstantType()
ExprNode	getForgeRenderable()
ExprForge	getInnerForge()
protected static CodegenExpression[]	getInstrumentationQParams(ExprDeclaredNodeImpl parent, CodegenClassScope codegenClassScope)
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 Details

ExprDeclaredForgeBase

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

Method Details

getEventsPerStreamRewritten

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

codegenEventsPerStreamRewritten

protected abstract CodegenExpression codegenEventsPerStreamRewritten(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

getTypableReturnEvaluator

public ExprTypableReturnEval getTypableReturnEvaluator()

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

Specified by:

getExprEvaluatorEnumeration in interface ExprEnumerationForge

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

getEvaluationType

public EPType 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(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

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(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

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.

evaluateCodegenUninstrumented

public CodegenExpression evaluateCodegenUninstrumented(EPTypeClass requiredType,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateCodegenUninstrumented in interface ExprForgeInstrumentable

getForgeConstantType

public ExprForgeConstantType getForgeConstantType()

Specified by:

getForgeConstantType in interface ExprForge

evaluateCodegen

public CodegenExpression evaluateCodegen(EPTypeClass requiredType,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateCodegen in interface ExprForge

getInstrumentationQParams

protected static CodegenExpression[] getInstrumentationQParams(ExprDeclaredNodeImpl parent,
 CodegenClassScope codegenClassScope)

evaluateGetROCollectionEvents

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

Specified by:

evaluateGetROCollectionEvents in interface ExprEnumerationEval

evaluateGetROCollectionEventsCodegen

public CodegenExpression evaluateGetROCollectionEventsCodegen(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

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(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateGetROCollectionScalarCodegen in interface ExprEnumerationForge

getComponentTypeCollection

public EPTypeClass getComponentTypeCollection()
                                       throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

getEventTypeCollection

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

Specified by:

getEventTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

getEventTypeSingle

public EventType getEventTypeSingle(StatementRawInfo statementRawInfo,
 StatementCompileTimeServices compileTimeServices)
                             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(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateGetEventBeanCodegen in interface ExprEnumerationForge

getForgeRenderable

public ExprNode getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprEnumerationForge

Specified by:

getForgeRenderable in interface ExprForge