Uses of Package
com.espertech.esper.common.client.hook.vdw
Package
Description
Virtual data window extension API classes.
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ClassDescriptionA virtual data window exposes externally-managed data transparently as a named window without the need to retain any data in memory.Context for use with virtual data window factory
VirtualDataWindowFactory
provides contextual information about the named window and the type of events held, handle for posting insert and remove streams and factory for event bean instances.Base class for events related to virtual data windows.Base class for events indicating a named-window consumer management.Captures virtual data window indexed field information.Factory for virtual data windows.Context for use with virtual data window factoryVirtualDataWindowFactory
provides contextual information as well as the handle for posting insert and remove streams and factory for event bean instances.Context for use with a virtual data window factory factoryVirtualDataWindowFactoryFactory
.Describes to the compiler how it should manage code for the virtual data window factory.Use this class to provide a virtual data window factory wherein there is no need to write code that generates code.Context for use with virtual data window forgeVirtualDataWindowForge
provides contextual information about the named window and the type of events held.Represents a lookup strategy object that an EPL statement that queries a virtual data window obtains to perform read operations into the virtual data window.Context passed toVirtualDataWindow
upon obtaining a lookup strategy for use by an EPL statement that queries the virtual data window.As part of a lookup context, seeVirtualDataWindowLookupContext
, this object encapsulates information about a single property in a correlated where-clause.Enumeration for indicating the type of operator for a lookup against a virtual data window, seeVirtualDataWindowLookupContext
.For use with virtual data windows, handles any insert stream and remove stream events that a virtual data window may post to consuming statements. -
ClassDescriptionA virtual data window exposes externally-managed data transparently as a named window without the need to retain any data in memory.Factory for virtual data windows.Represents a lookup strategy object that an EPL statement that queries a virtual data window obtains to perform read operations into the virtual data window.Context passed to
VirtualDataWindow
upon obtaining a lookup strategy for use by an EPL statement that queries the virtual data window.As part of a lookup context, seeVirtualDataWindowLookupContext
, this object encapsulates information about a single property in a correlated where-clause.For use with virtual data windows, handles any insert stream and remove stream events that a virtual data window may post to consuming statements.