Uses of Interface
com.espertech.esper.view.EventCollection

Packages that use EventCollection

com.espertech.esper.core.context.util	Context partition utility or reference classes.
com.espertech.esper.core.service	Implementation of client package interfaces, glue code
com.espertech.esper.dataflow.ops.epl	Data flow built-in operator's helper classes.
com.espertech.esper.epl.core	Contains EPL statement specification classes define the constructs that make up an EPL statement, such as the list of items in the select clause, the insert-into stream name and property names etc.
com.espertech.esper.epl.db	Database SQL polling views and caches
com.espertech.esper.epl.named	Named window classes are in this package
com.espertech.esper.epl.subquery	Subquery helper classes are found here.
com.espertech.esper.epl.table.mgmt	Table-related services and metadata.
com.espertech.esper.epl.table.onaction	Table on-action handlers.
com.espertech.esper.epl.variable	Variable service and variable collections
com.espertech.esper.epl.view	Internal processing views for output rate limiting, filtering and internal event routing
com.espertech.esper.epl.virtualdw	Virtual data window.
com.espertech.esper.rowregex	Match-recognize expression tree and state objects.
com.espertech.esper.view	View infrastructure concerned with view creation and destroy, cloning and hooking views trees into filtering.
com.espertech.esper.view.ext	Extension views that providing services such as sorting, which don't fit much into other categories.
com.espertech.esper.view.internal	Internal management views for buffering view results and providing these to joins.
com.espertech.esper.view.stat	Views computing statistical values.
com.espertech.esper.view.std	Base service views that perform typical SQL-like functions such as unique, grouping, size, last etc.
com.espertech.esper.view.window	Window views are in this package

Uses of EventCollection in com.espertech.esper.core.context.util

Classes in com.espertech.esper.core.context.util that implement EventCollection

class	ContextMergeView
class	ContextMergeViewForwarding

Uses of EventCollection in com.espertech.esper.core.service

Subinterfaces of EventCollection in com.espertech.esper.core.service

interface

UpdateDispatchView Update dispatch view to indicate statement results to listeners.

Classes in com.espertech.esper.core.service that implement EventCollection

class	InternalRoutePreprocessView View for use with pre-processing statement such as "update istream" for indicating previous and current event.
class	UpdateDispatchViewBase Convenience view for dispatching view updates received from a parent view to update listeners via the dispatch service.
class	UpdateDispatchViewBlockingSpin Convenience view for dispatching view updates received from a parent view to update listeners via the dispatch service.
class	UpdateDispatchViewBlockingWait Convenience view for dispatching view updates received from a parent view to update listeners via the dispatch service.
class	UpdateDispatchViewNonBlocking Convenience view for dispatching view updates received from a parent view to update listeners via the dispatch service.

Uses of EventCollection in com.espertech.esper.dataflow.ops.epl

Classes in com.espertech.esper.dataflow.ops.epl that implement EventCollection

class	EPLSelectUpdateDispatchView
class	EPLSelectViewable

Uses of EventCollection in com.espertech.esper.epl.core

Classes in com.espertech.esper.epl.core that implement EventCollection

class

MethodPollingViewable Polling-data provider that calls a static method on a class and passed parameters, and wraps the results as POJO events.

Uses of EventCollection in com.espertech.esper.epl.db

Classes in com.espertech.esper.epl.db that implement EventCollection

class

DatabasePollingViewable Implements a poller viewable that uses a polling strategy, a cache and some input parameters extracted from event streams to perform the polling.

Uses of EventCollection in com.espertech.esper.epl.named

Classes in com.espertech.esper.epl.named that implement EventCollection

class	NamedWindowConsumerView Represents a consumer of a named window that selects from a named window via a from-clause.
class	NamedWindowOnDeleteView View for the on-delete statement that handles removing events from a named window.
class	NamedWindowOnExprBaseView View for the on-delete statement that handles removing events from a named window.
class	NamedWindowOnMergeView View for the on-delete statement that handles removing events from a named window.
class	NamedWindowOnSelectView View for the on-select statement that handles selecting events from a named window.
class	NamedWindowOnUpdateView View for the on-delete statement that handles removing events from a named window.
class	NamedWindowRootViewInstance The root window in a named window plays multiple roles: It holds the indexes for deleting rows, if any on-delete statement requires such indexes.
class	NamedWindowTailViewInstance This view is hooked into a named window's view chain as the last view and handles dispatching of named window insert and remove stream results via NamedWindowService to consuming statements.

Uses of EventCollection in com.espertech.esper.epl.subquery

Classes in com.espertech.esper.epl.subquery that implement EventCollection

class	SubselectAggregatorViewBase View handling the insert and remove stream generated by a subselect for application to aggregation state.
class	SubselectAggregatorViewFilteredGrouped
class	SubselectAggregatorViewFilteredUngrouped
class	SubselectAggregatorViewUnfilteredGrouped
class	SubselectAggregatorViewUnfilteredUngrouped

Uses of EventCollection in com.espertech.esper.epl.table.mgmt

Classes in com.espertech.esper.epl.table.mgmt that implement EventCollection

class	TableStateViewableInternal
class	TableStateViewablePublic

Uses of EventCollection in com.espertech.esper.epl.table.onaction

Classes in com.espertech.esper.epl.table.onaction that implement EventCollection

class	TableOnDeleteView View for the on-delete statement that handles removing events from a named window.
class	TableOnMergeView
class	TableOnSelectView
class	TableOnUpdateView
class	TableOnViewBase

Uses of EventCollection in com.espertech.esper.epl.variable

Classes in com.espertech.esper.epl.variable that implement EventCollection

class	CreateVariableView View for handling create-variable syntax.
class	OnSetVariableView A view that handles the setting of variables upon receipt of a triggering event.

Uses of EventCollection in com.espertech.esper.epl.view

Classes in com.espertech.esper.epl.view that implement EventCollection

class	FilterExprView Simple filter view filtering events using a filter expression tree.
class	OutputProcessViewBase
class	OutputProcessViewBaseCallback Factory for output processing views.
class	OutputProcessViewBaseWAfter
class	OutputProcessViewConditionDefault A view that prepares output events, batching incoming events and invoking the result set processor as necessary.
class	OutputProcessViewConditionDefaultPostProcess A view that prepares output events, batching incoming events and invoking the result set processor as necessary.
class	OutputProcessViewConditionFirst Handles output rate limiting for FIRST, only applicable with a having-clause and no group-by clause.
class	OutputProcessViewConditionFirstPostProcess Handles output rate limiting for FIRST, only applicable with a having-clause and no group-by clause.
class	OutputProcessViewConditionSnapshot A view that handles the "output snapshot" keyword in output rate stabilizing.
class	OutputProcessViewConditionSnapshotPostProcess A view that handles the "output snapshot" keyword in output rate stabilizing.
class	OutputProcessViewDirect Output process view that does not enforce any output policies and may simply hand over events to child views, does not handle distinct.
class	OutputProcessViewDirectDistinctOrAfter Output process view that does not enforce any output policies and may simply hand over events to child views, but works with distinct and after-output policies
class	OutputProcessViewDirectDistinctOrAfterPostProcess Output process view that does not enforce any output policies and may simply hand over events to child views, but works with distinct and after-output policies
class	OutputProcessViewDirectPostProcess

Uses of EventCollection in com.espertech.esper.epl.virtualdw

Classes in com.espertech.esper.epl.virtualdw that implement EventCollection

class

VirtualDWViewImpl

Uses of EventCollection in com.espertech.esper.rowregex

Classes in com.espertech.esper.rowregex that implement EventCollection

class

EventRowRegexNFAView View for match recognize support.

Uses of EventCollection in com.espertech.esper.view

Subinterfaces of EventCollection in com.espertech.esper.view

interface	DataWindowView Tag interface for data window views.
interface	DerivedValueView Tag interface for derived-value views.
interface	EventStream A streams is a conduct for incoming events.
interface	HistoricalEventViewable Interface for views that poll data based on information from other streams.
interface	View The View interface provides a way for a stream, data provider, or another view, to notify an object of additions and deletions to its data set.
interface	Viewable The Viewable interface marks an object as supporting zero, one or more View instances.

Classes in com.espertech.esper.view that implement EventCollection

class	ViewableDefaultImpl
class	ViewSupport A helper class for View implementations that provides generic implementation for some of the methods.
class	ZeroDepthStreamIterable Event stream implementation that does not keep any window by itself of the events coming into the stream, however is itself iterable and keeps the last event.
class	ZeroDepthStreamNoIterate Event stream implementation that does not keep any window by itself of the events coming into the stream, without the possibility to iterate the last event.

Uses of EventCollection in com.espertech.esper.view.ext

Classes in com.espertech.esper.view.ext that implement EventCollection

class	RankWindowView Window sorting by values in the specified field extending a specified number of elements from the lowest value up or the highest value down and retaining only the last unique value per key.
class	SortWindowView Window sorting by values in the specified field extending a specified number of elements from the lowest value up or the highest value down.
class	TimeOrderView Window retaining timestamped events up to a given number of seconds such that older events that arrive later are sorted into the window and released in timestamp order.

Uses of EventCollection in com.espertech.esper.view.internal

Classes in com.espertech.esper.view.internal that implement EventCollection

class	BufferView A view that acts as an adapter between views and update listeners.
class	IntersectAsymetricView A view that represents an intersection of multiple data windows.
class	IntersectBatchView A view that represents an intersection of multiple data windows.
class	IntersectView A view that represents an intersection of multiple data windows.
class	LastPostObserverView A view that retains the last update.
class	PatternRemoveDispatchView View to handle pattern discarding for a single stream (no join).
class	PriorEventView View that provides access to prior events posted by the parent view for use by 'prior' expression nodes.
class	RouteResultView View for processing split-stream syntax.
class	SingleStreamDispatchView View to dispatch for a single stream (no join).
class	UnionAsymetricView A view that represents a union of multiple data windows wherein at least one is asymetric: it does not present a insert stream for each insert stream event received.
class	UnionView A view that represents a union of multiple data windows.

Uses of EventCollection in com.espertech.esper.view.stat

Classes in com.espertech.esper.view.stat that implement EventCollection

class	BaseBivariateStatisticsView View for computing statistics that require 2 input variable arrays containing X and Y datapoints.
class	CorrelationView A view that calculates correlation on two fields.
class	RegressionLinestView A view that calculates regression on two fields.
class	UnivariateStatisticsView View for computing statistics, which the view exposes via fields representing the sum, count, standard deviation for sample and for population and variance.
class	WeightedAverageView View for computing a weighted average.

Uses of EventCollection in com.espertech.esper.view.std

Subinterfaces of EventCollection in com.espertech.esper.view.std

interface	GroupByView
interface	MergeViewMarker

Classes in com.espertech.esper.view.std that implement EventCollection

class	AddPropertyValueView This view simply adds a property to the events posted to it.
class	FirstElementView View retaining the very first event.
class	FirstUniqueByPropertyView This view retains the first event for each multi-key of distinct property values.
class	GroupByViewImpl The group view splits the data in a stream to multiple subviews, based on a key index.
class	GroupByViewReclaimAged
class	LastElementView This view is a very simple view presenting the last event posted by the parent view to any subviews.
class	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.
class	SizeView This view is a very simple view presenting the number of elements in a stream or view.
class	UniqueByPropertyView This view includes only the most recent among events having the same value for the specified field or fields.

Uses of EventCollection in com.espertech.esper.view.window

Classes in com.espertech.esper.view.window that implement EventCollection

class	ExpressionBatchView This view is a moving window extending the into the past until the expression passed to it returns false.
class	ExpressionViewBase This view is a moving window extending the into the past until the expression passed to it returns false.
class	ExpressionWindowView This view is a moving window extending the into the past until the expression passed to it returns false.
class	ExternallyTimedBatchView Batch window based on timestamp of arriving events.
class	ExternallyTimedWindowView View for a moving window extending the specified amount of time into the past, driven entirely by external timing supplied within long-type timestamp values in a field of the event beans that the view receives.
class	FirstLengthWindowView A length-first view takes the first N arriving events.
class	FirstTimeView
class	KeepAllView This view is a keep-all data window that simply keeps all events added.
class	LengthBatchView A data view that aggregates events in a stream and releases them in one batch when a maximum number of events has been collected.
class	LengthBatchViewRStream Same as the LengthBatchView, this view also supports fast-remove from the batch for remove stream events.
class	LengthWindowView This view is a moving window extending the specified number of elements into the past.
class	LengthWindowViewRStream This view is a moving window extending the specified number of elements into the past, allowing in addition to remove events efficiently for remove-stream events received by the view.
class	TimeAccumView A data window view that holds events in a stream and only removes events from a stream (rstream) if no more events arrive for a given time interval.
class	TimeAccumViewRStream A data window view that holds events in a stream and only removes events from a stream (rstream) if no more events arrive for a given time interval, also handling the remove stream by keeping set-like semantics.
class	TimeBatchView A data view that aggregates events in a stream and releases them in one batch at every specified time interval.
class	TimeBatchViewRStream Same as the TimeBatchView, this view also supports fast-remove from the batch for remove stream events.
class	TimeLengthBatchView A data view that aggregates events in a stream and releases them in one batch if either one of these conditions is reached, whichever comes first: One, a time interval passes.
class	TimeWindowView This view is a moving timeWindow extending the specified amount of milliseconds into the past.