com.espertech.esper.epl.table.strategy

Class ExprTableExprEvaluatorAccess

java.lang.Object

com.espertech.esper.epl.table.strategy.ExprTableExprEvaluatorBase

com.espertech.esper.epl.table.strategy.ExprTableExprEvaluatorAccess

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator

public class ExprTableExprEvaluatorAccess
extends ExprTableExprEvaluatorBase
implements ExprEvaluator, ExprEnumerationForge, ExprEnumerationEval

Field Summary

Fields inherited from class com.espertech.esper.epl.table.strategy.ExprTableExprEvaluatorBase

exprNode, returnType, streamNum, subpropName, tableName

Constructor Summary

Constructors

Constructor and Description
ExprTableExprEvaluatorAccess(ExprNode exprNode, java.lang.String tableName, java.lang.String subpropName, int streamNum, java.lang.Class returnType, AggregationAccessorSlotPair accessAccessorSlotPair, EventType eventTypeColl)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetEventBeanCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.util.Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionEventsCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.util.Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionScalarCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.lang.Class	getComponentTypeCollection()
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, int statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
ExprEnumerationEval	getExprEvaluatorEnumeration()
ExprNodeRenderable	getForgeRenderable()

Methods inherited from class com.espertech.esper.epl.table.strategy.ExprTableExprEvaluatorBase

getReturnType

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprTableExprEvaluatorAccess

public ExprTableExprEvaluatorAccess(ExprNode exprNode,
                                    java.lang.String tableName,
                                    java.lang.String subpropName,
                                    int streamNum,
                                    java.lang.Class returnType,
                                    AggregationAccessorSlotPair accessAccessorSlotPair,
                                    EventType eventTypeColl)

Method Detail

evaluate

public java.lang.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.

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

Specified by:

getExprEvaluatorEnumeration in interface ExprEnumerationForge

getEventTypeCollection

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

Specified by:

getEventTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionEvents

public java.util.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

getComponentTypeCollection

public java.lang.Class getComponentTypeCollection()
                                           throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionScalar

public java.util.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

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(CodegenMethodScope codegenMethodScope,
                                                     ExprForgeCodegenSymbol exprSymbol,
                                                     CodegenClassScope codegenClassScope)

Specified by:

evaluateGetEventBeanCodegen in interface ExprEnumerationForge

getForgeRenderable

public ExprNodeRenderable getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprEnumerationForge