com.espertech.esper.common.internal.epl.agg.method.stddev

Class AggregatorStddev

java.lang.Object

com.espertech.esper.common.internal.epl.agg.method.core.AggregatorMethodWDistinctWFilterBase

com.espertech.esper.common.internal.epl.agg.method.core.AggregatorMethodWDistinctWFilterWValueBase

com.espertech.esper.common.internal.epl.agg.method.stddev.AggregatorStddev

All Implemented Interfaces:

AggregatorMethod

public class AggregatorStddev
extends AggregatorMethodWDistinctWFilterWValueBase

Standard deviation always generates double-typed numbers.

Field Summary

Fields inherited from class com.espertech.esper.common.internal.epl.agg.method.core.AggregatorMethodWDistinctWFilterBase

distinct, hasFilter, optionalDistinctValueType, optionalFilter

Constructor Summary

Constructors

Constructor and Description
AggregatorStddev(AggregationForgeFactory factory, int col, CodegenCtor rowCtor, CodegenMemberCol membersColumnized, CodegenClassScope classScope, Class optionalDistinctValueType, boolean hasFilter, ExprNode optionalFilter)

Method Summary

Modifier and Type	Method and Description
protected void	applyEvalEnterNonNull(CodegenExpressionRef value, Class valueType, CodegenMethod method, ExprForgeCodegenSymbol symbols, ExprForge[] forges, CodegenClassScope classScope)
protected void	applyEvalLeaveNonNull(CodegenExpressionRef value, Class valueType, CodegenMethod method, ExprForgeCodegenSymbol symbols, ExprForge[] forges, CodegenClassScope classScope)
protected void	applyTableEnterNonNull(CodegenExpressionRef value, Class[] evaluationTypes, CodegenMethod method, CodegenClassScope classScope)
protected void	applyTableLeaveNonNull(CodegenExpressionRef value, Class[] evaluationTypes, CodegenMethod method, CodegenClassScope classScope)
protected void	clearWODistinct(CodegenMethod method, CodegenClassScope classScope)
void	getValueCodegen(CodegenMethod method, CodegenClassScope classScope)
protected void	readWODistinct(CodegenExpressionRef row, int col, CodegenExpressionRef input, CodegenExpressionRef unitKey, CodegenMethod method, CodegenClassScope classScope)
protected void	writeWODistinct(CodegenExpressionRef row, int col, CodegenExpressionRef output, CodegenExpressionRef unitKey, CodegenExpressionRef writer, CodegenMethod method, CodegenClassScope classScope)

Methods inherited from class com.espertech.esper.common.internal.epl.agg.method.core.AggregatorMethodWDistinctWFilterWValueBase

applyEvalEnterFiltered, applyEvalLeaveFiltered, applyTableEnterFiltered, applyTableLeaveFiltered

Methods inherited from class com.espertech.esper.common.internal.epl.agg.method.core.AggregatorMethodWDistinctWFilterBase

applyEvalEnterCodegen, applyEvalLeaveCodegen, applyTableEnterCodegen, applyTableLeaveCodegen, clearCodegen, readCodegen, writeCodegen

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregatorStddev

public AggregatorStddev(AggregationForgeFactory factory,
                        int col,
                        CodegenCtor rowCtor,
                        CodegenMemberCol membersColumnized,
                        CodegenClassScope classScope,
                        Class optionalDistinctValueType,
                        boolean hasFilter,
                        ExprNode optionalFilter)

Method Detail

applyEvalEnterNonNull

protected void applyEvalEnterNonNull(CodegenExpressionRef value,
                                     Class valueType,
                                     CodegenMethod method,
                                     ExprForgeCodegenSymbol symbols,
                                     ExprForge[] forges,
                                     CodegenClassScope classScope)

Specified by:

applyEvalEnterNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyEvalLeaveNonNull

protected void applyEvalLeaveNonNull(CodegenExpressionRef value,
                                     Class valueType,
                                     CodegenMethod method,
                                     ExprForgeCodegenSymbol symbols,
                                     ExprForge[] forges,
                                     CodegenClassScope classScope)

Specified by:

applyEvalLeaveNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyTableEnterNonNull

protected void applyTableEnterNonNull(CodegenExpressionRef value,
                                      Class[] evaluationTypes,
                                      CodegenMethod method,
                                      CodegenClassScope classScope)

Specified by:

applyTableEnterNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyTableLeaveNonNull

protected void applyTableLeaveNonNull(CodegenExpressionRef value,
                                      Class[] evaluationTypes,
                                      CodegenMethod method,
                                      CodegenClassScope classScope)

Specified by:

applyTableLeaveNonNull in class AggregatorMethodWDistinctWFilterWValueBase

clearWODistinct

protected void clearWODistinct(CodegenMethod method,
                               CodegenClassScope classScope)

Specified by:

clearWODistinct in class AggregatorMethodWDistinctWFilterBase

getValueCodegen

public void getValueCodegen(CodegenMethod method,
                            CodegenClassScope classScope)

writeWODistinct

protected void writeWODistinct(CodegenExpressionRef row,
                               int col,
                               CodegenExpressionRef output,
                               CodegenExpressionRef unitKey,
                               CodegenExpressionRef writer,
                               CodegenMethod method,
                               CodegenClassScope classScope)

Specified by:

writeWODistinct in class AggregatorMethodWDistinctWFilterBase

readWODistinct

protected void readWODistinct(CodegenExpressionRef row,
                              int col,
                              CodegenExpressionRef input,
                              CodegenExpressionRef unitKey,
                              CodegenMethod method,
                              CodegenClassScope classScope)

Specified by:

readWODistinct in class AggregatorMethodWDistinctWFilterBase