Package com.espertech.esper.epl.agg.service

Aggregation services.

See:
Description

Interface Summary

AggregationMethodFactory	Factory for aggregation methods.
AggregationResultFuture	Interface for use by aggregate expression nodes representing aggregate functions such as 'sum' or 'avg' to use to obtain the current value for the function at time of expression evaluation.
AggregationRowRemovedCallback
AggregationService	Service for maintaining aggregation state.
AggregationServiceFactory	Factory for aggregation service instances.
AggregationServiceFactoryService
AggregationServiceMatchRecognize	Aggregation result future for use with match recognize.
AggregationServiceMatchRecognizeFactory	Factory for aggregation service instances.
AggregationServiceVisitor
AggregationServiceVisitorWGroupDetail
AggregationStateFactory
AggSvcGroupByReclaimAgedEvalFunc	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByReclaimAgedEvalFuncFactory

Class Summary

AggregationGroupByRollupDesc
AggregationGroupByRollupLevel
AggregationMethodFactoryUtil
AggregationMethodPairRow	A row in aggregation state.
AggregationMethodRow	A row in aggregation state.
AggregationMethodRowAged	A row in aggregation state, with aging information.
AggregationMultiFunctionAnalysisHelper
AggregationMultiFunctionAnalysisResult
AggregationRowPair	Pair of aggregation methods and states (first/last/window) data window representations.
AggregationServiceAggExpressionDesc
AggregationServiceBase	All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.
AggregationServiceBaseGrouped	All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.
AggregationServiceBaseUngrouped	All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.
AggregationServiceFactoryBase	All aggregation services require evaluation nodes which supply the value to be aggregated (summed, averaged, etc.) and aggregation state factories to make new aggregation states.
AggregationServiceFactoryDesc
AggregationServiceFactoryFactory	Factory for aggregation service instances.
AggregationServiceFactoryServiceImpl
AggregationServiceMatchRecognizeFactoryDesc
AggregationServiceMatchRecognizeFactoryImpl	Implements an aggregation service for match recognize.
AggregationServiceMatchRecognizeImpl	Implements an aggregation service for match recognize.
AggregationServiceNull	A null object implementation of the AggregationService interface.
AggregationServiceNullFactory	A null object implementation of the AggregationService interface.
AggregationServiceTable
AggregationStateFactoryPlugin
AggregationStateKeyWStream
AggregationValidationContext	Context for use with plug-in custom aggregation functions that implement AggregationFunctionFactory.
AggregatorUtil
AggSvcGroupAllAccessOnlyFactory	Aggregation service for use when only first/last/window aggregation functions are used an none other.
AggSvcGroupAllAccessOnlyImpl	Aggregation service for use when only first/last/window aggregation functions are used an none other.
AggSvcGroupAllLocalGroupBy	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupAllLocalGroupByFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupAllMixedAccessFactory	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupAllMixedAccessImpl	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupAllMixedAccessWTableFactory	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupAllMixedAccessWTableImpl	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupAllNoAccessFactory	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupAllNoAccessImpl	Implementation for handling aggregation without any grouping (no group-by).
AggSvcGroupByAccessOnlyFactory	Aggregation service for use when only first/last/window aggregation functions are used an none other.
AggSvcGroupByAccessOnlyImpl	Aggregation service for use when only first/last/window aggregation functions are used an none other.
AggSvcGroupByLocalGroupBy	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByLocalGroupByFactory
AggSvcGroupByMixedAccessFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByMixedAccessImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByNoAccessFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByNoAccessImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByReclaimAgedEvalFuncConstant	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByReclaimAgedEvalFuncVariable	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByReclaimAgedFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByReclaimAgedImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedNoAccessFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedNoAccessImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedWAccessFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedWAccessImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedWAccessRollupFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByRefcountedWAccessRollupImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByWTableBase	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByWTableFactory	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByWTableImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByWTableRollupMultiKeyImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupByWTableRollupSingleKeyImpl	Implementation for handling aggregation with grouping by group-keys.
AggSvcGroupLocalGroupByBase	Implementation for handling aggregation with grouping by group-keys.

Enum Summary

AggregationStateTypeWStream

Package com.espertech.esper.epl.agg.service Description

Aggregation services.