Package com.espertech.esper.view.std

Base service views that perform typical SQL-like functions such as unique, grouping, size, last etc.

See: Description

Interface Summary

Interface	Description
GroupByView
GroupByViewFactoryMarker
MergeViewFactoryMarker
MergeViewMarker

Class Summary

Class	Description
AddPropertyValueOptionalView	This view simply adds a property to the events posted to it.
FirstElementView	View retaining the very first event.
FirstElementViewFactory	Factory for FirstElementView instances.
FirstUniqueByPropertyView	This view retains the first event for each multi-key of distinct property values.
FirstUniqueByPropertyViewFactory	Factory for FirstUniqueByPropertyView instances.
GroupByViewAgedEntry
GroupByViewFactory	Factory for GroupByView instances.
GroupByViewImpl	The group view splits the data in a stream to multiple subviews, based on a key index.
GroupByViewReclaimAged
LastElementView	This view is a very simple view presenting the last event posted by the parent view to any subviews.
LastElementViewFactory	Factory for LastElementView instances.
MergeView	The merge view works together with a group view that splits the data in a stream to multiple subviews, based on a key index.
MergeViewFactory	Factory for MergeView instances.
SizeView	This view is a very simple view presenting the number of elements in a stream or view.
SizeViewFactory	Factory for SizeView instances.
UniqueByPropertyView	This view includes only the most recent among events having the same value for the specified field or fields.
UniqueByPropertyViewFactory	Factory for UniqueByPropertyView instances.

Package com.espertech.esper.view.std Description

Base service views that perform typical SQL-like functions such as unique, grouping, size, last etc.