Package com.espertech.esper.common.internal.epl.resultset.select.eval

Class SelectEvalBaseFirstProp

java.lang.Object

com.espertech.esper.common.internal.epl.resultset.select.eval.SelectEvalBaseFirstProp

All Implemented Interfaces:

SelectExprProcessorForge

Direct Known Subclasses:

SelectEvalBaseFirstPropFromWrap, SelectEvalInsertNoWildcardSingleColCoercionBean, SelectEvalInsertNoWildcardSingleColCoercionBeanWrapVariant

public abstract class SelectEvalBaseFirstProp
extends Object
implements SelectExprProcessorForge

Constructor Summary

Constructors

Constructor	Description
SelectEvalBaseFirstProp(SelectExprForgeContext selectExprForgeContext, EventType resultEventType)

Method Summary

Modifier and Type	Method	Description
EventType	getResultEventType()	Returns the event type that represents the select-clause items.
CodegenMethod	processCodegen(CodegenExpression resultEventType, CodegenExpression eventBeanFactory, CodegenMethodScope codegenMethodScope, SelectExprProcessorCodegenSymbol selectSymbol, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
protected abstract CodegenExpression	processFirstColCodegen(EPTypeClass evaluationType, CodegenExpression expression, CodegenExpression resultEventType, CodegenExpression eventBeanFactory, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope)

Methods inherited from class java.lang.Object

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

Constructor Details

SelectEvalBaseFirstProp

public SelectEvalBaseFirstProp(SelectExprForgeContext selectExprForgeContext,
 EventType resultEventType)

Method Details

processFirstColCodegen

protected abstract CodegenExpression processFirstColCodegen(EPTypeClass evaluationType,
 CodegenExpression expression,
 CodegenExpression resultEventType,
 CodegenExpression eventBeanFactory,
 CodegenMethodScope codegenMethodScope,
 CodegenClassScope codegenClassScope)

processCodegen

public CodegenMethod processCodegen(CodegenExpression resultEventType,
 CodegenExpression eventBeanFactory,
 CodegenMethodScope codegenMethodScope,
 SelectExprProcessorCodegenSymbol selectSymbol,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

processCodegen in interface SelectExprProcessorForge

getResultEventType

public EventType getResultEventType()

Description copied from interface: SelectExprProcessorForge

Returns the event type that represents the select-clause items.

Specified by:

getResultEventType in interface SelectExprProcessorForge

Returns:

event type representing select-clause items