Package com.espertech.esper.common.internal.epl.agg.method.firstlastever

Class AggregatorFirstEver

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.firstlastever.AggregatorFirstEver

All Implemented Interfaces:

AggregatorMethod

public class AggregatorFirstEver
extends AggregatorMethodWDistinctWFilterWValueBase

Aggregator for the very first value.

Field Summary

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

distinct, hasFilter, optionalDistinctSerde, optionalDistinctValueType, optionalFilter

Constructor Summary

Constructors

Constructor	Description
AggregatorFirstEver(EPTypeClass optionalDistinctValueType, DataInputOutputSerdeForge optionalDistinctSerde, boolean hasFilter, ExprNode optionalFilter, EPTypeClass childType, DataInputOutputSerdeForge serde)

Method Summary

Modifier and Type	Method	Description
protected void	appendFormatWODistinct(FabricTypeCollector collector)
protected void	applyEvalEnterNonNull(CodegenExpressionRef value, EPType valueType, CodegenMethod method, ExprForgeCodegenSymbol symbols, ExprForge[] forges, CodegenClassScope classScope)
protected void	applyEvalLeaveNonNull(CodegenExpressionRef value, EPType valueType, CodegenMethod method, ExprForgeCodegenSymbol symbols, ExprForge[] forges, CodegenClassScope classScope)
protected void	applyTableEnterNonNull(CodegenExpressionRef value, EPType[] evaluationTypes, CodegenMethod method, CodegenClassScope classScope)
protected void	applyTableLeaveNonNull(CodegenExpressionRef value, EPType[] evaluationTypes, CodegenMethod method, CodegenClassScope classScope)
protected void	clearWODistinct(CodegenMethod method, CodegenClassScope classScope)
void	getValueCodegen(CodegenMethod method, CodegenClassScope classScope)
void	initForgeFiltered(int col, CodegenCtor rowCtor, CodegenMemberCol membersColumnized, 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, collectFabricType, initForge, readCodegen, toDistinctValueKey, writeCodegen

Methods inherited from class java.lang.Object

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

Constructor Details

AggregatorFirstEver

public AggregatorFirstEver(EPTypeClass optionalDistinctValueType,
 DataInputOutputSerdeForge optionalDistinctSerde,
 boolean hasFilter,
 ExprNode optionalFilter,
 EPTypeClass childType,
 DataInputOutputSerdeForge serde)

Method Details

initForgeFiltered

public void initForgeFiltered(int col,
 CodegenCtor rowCtor,
 CodegenMemberCol membersColumnized,
 CodegenClassScope classScope)

Specified by:

initForgeFiltered in class AggregatorMethodWDistinctWFilterBase

applyEvalEnterNonNull

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

Specified by:

applyEvalEnterNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyTableEnterNonNull

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

Specified by:

applyTableEnterNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyEvalLeaveNonNull

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

Specified by:

applyEvalLeaveNonNull in class AggregatorMethodWDistinctWFilterWValueBase

applyTableLeaveNonNull

protected void applyTableLeaveNonNull(CodegenExpressionRef value,
 EPType[] 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

appendFormatWODistinct

protected void appendFormatWODistinct(FabricTypeCollector collector)

Specified by:

appendFormatWODistinct in class AggregatorMethodWDistinctWFilterBase