com.espertech.esper.epl.core.select

Class SelectExprProcessorHelper

java.lang.Object

com.espertech.esper.epl.core.select.SelectExprProcessorHelper

public class SelectExprProcessorHelper
extends java.lang.Object

Processor for select-clause expressions that handles a list of selection items represented by expression nodes. Computes results based on matching events.

Constructor Summary

Constructors

Constructor and Description

SelectExprProcessorHelper(java.util.Collection<java.lang.Integer> assignedTypeNumberStack, java.util.List<SelectClauseExprCompiledSpec> selectionList, java.util.List<SelectExprStreamDesc> selectedStreams, InsertIntoDesc insertIntoDesc, EventType optionalInsertIntoOverrideType, boolean isUsingWildcard, StreamTypeService typeService, EventAdapterService eventAdapterService, ValueAddEventService valueAddEventService, SelectExprEventTypeRegistry selectExprEventTypeRegistry, EngineImportService engineImportService, int statementId, java.lang.String statementName, java.lang.annotation.Annotation[] annotations, ConfigurationInformation configuration, NamedWindowMgmtService namedWindowMgmtService, TableService tableService, GroupByRollupInfo groupByRollupInfo)

Method Summary

Modifier and Type	Method and Description
protected static void	applyWideners(java.lang.Object[][] rows, TypeWidener[] wideners)
protected static void	applyWideners(java.lang.Object[] row, TypeWidener[] wideners)
protected static CodegenExpression	applyWidenersCodegen(CodegenExpressionRef row, TypeWidener[] wideners, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope)
protected static CodegenExpression	applyWidenersCodegenMultirow(CodegenExpressionRef rows, TypeWidener[] wideners, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope)
SelectExprProcessorForge	getForge()

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectExprProcessorHelper

public SelectExprProcessorHelper(java.util.Collection<java.lang.Integer> assignedTypeNumberStack,
                                 java.util.List<SelectClauseExprCompiledSpec> selectionList,
                                 java.util.List<SelectExprStreamDesc> selectedStreams,
                                 InsertIntoDesc insertIntoDesc,
                                 EventType optionalInsertIntoOverrideType,
                                 boolean isUsingWildcard,
                                 StreamTypeService typeService,
                                 EventAdapterService eventAdapterService,
                                 ValueAddEventService valueAddEventService,
                                 SelectExprEventTypeRegistry selectExprEventTypeRegistry,
                                 EngineImportService engineImportService,
                                 int statementId,
                                 java.lang.String statementName,
                                 java.lang.annotation.Annotation[] annotations,
                                 ConfigurationInformation configuration,
                                 NamedWindowMgmtService namedWindowMgmtService,
                                 TableService tableService,
                                 GroupByRollupInfo groupByRollupInfo)
                          throws ExprValidationException

Throws:

ExprValidationException

Method Detail

getForge

public SelectExprProcessorForge getForge()
                                  throws ExprValidationException

Throws:

ExprValidationException

applyWideners

protected static void applyWideners(java.lang.Object[] row,
                                    TypeWidener[] wideners)

applyWidenersCodegen

protected static CodegenExpression applyWidenersCodegen(CodegenExpressionRef row,
                                                        TypeWidener[] wideners,
                                                        CodegenMethodScope codegenMethodScope,
                                                        CodegenClassScope codegenClassScope)

applyWideners

protected static void applyWideners(java.lang.Object[][] rows,
                                    TypeWidener[] wideners)

applyWidenersCodegenMultirow

protected static CodegenExpression applyWidenersCodegenMultirow(CodegenExpressionRef rows,
                                                                TypeWidener[] wideners,
                                                                CodegenMethodScope codegenMethodScope,
                                                                CodegenClassScope codegenClassScope)