Uses of Package
com.espertech.esper.epl.variable

Packages that use com.espertech.esper.epl.variable

com.espertech.esper.core.context.factory	Statement agent instance factories.
com.espertech.esper.core.service	Implementation of client package interfaces, glue code
com.espertech.esper.epl.agg.service	Aggregation services.
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.expression.core	Core expression classes.
com.espertech.esper.epl.expression.dot	Chained expression functionality.
com.espertech.esper.epl.named	Named window classes are in this package
com.espertech.esper.epl.parse	Parsers and AST tree walkers and helper classes transforming AST into business objects
com.espertech.esper.epl.property	Classes for handling events-within-events.
com.espertech.esper.epl.spec	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.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.filter	Main switchboard filtering and routing of incoming events to interested statements is performed in this package.
com.espertech.esper.pattern	Pattern expression tree and pattern state objects, the later resembles pattern expression state for each active pattern instance
com.espertech.esper.view	View infrastructure concerned with view creation and destroy, cloning and hooking views trees into filtering.
com.espertech.esper.view.window	Window views are in this package

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.core.context.factory

OnSetVariableViewFactory
A factory for a view that handles the setting of variables upon receipt of a triggering event.

VariableMetaData

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.core.service

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.agg.service

VariableReader
Reads and writes variable values.

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.core

VariableMetaData

VariableReader
Reads and writes variable values.

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.db

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.expression.core

VariableMetaData

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.expression.dot

VariableReader
Reads and writes variable values.

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.named

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.parse

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.property

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.spec

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.variable

CurrentValue
A holder for versioned values that holds a current version-value and a prior version-value pair.

OnSetVariableView
A view that handles the setting of variables upon receipt of a triggering event.

OnSetVariableViewFactory
A factory for a view that handles the setting of variables upon receipt of a triggering event.

VariableChangeCallback
A callback interface for indicating a change in variable value.

VariableDeclarationException
Exception indicating a problem in a variable declaration.

VariableExistsException
Exception indicating a a variable already exists.

VariableMetaData

VariableReader
Reads and writes variable values.

VariableReadWritePackage
A convenience class for dealing with reading and updating multiple variable values.

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

VariableStateFactory

VariableStateHandler
Interface for a plug-in to VariableService to handle variable persistent state.

VariableTypeException
Exception indicating a variable type error.

VariableVersionThreadEntry
Thread-specific state in regards to variable versions.

VariableVersionThreadLocal
A wrapper for a thread-local to hold the current version for variables visible for a thread, as well as uncommitted values of variables for a thread.

VersionedValue
Holds a version of a value and a timestamp when that version is taken.

VersionedValueList
A self-cleaning list of versioned-values.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.epl.view

VariableChangeCallback
A callback interface for indicating a change in variable value.

VariableMetaData

VariableReader
Reads and writes variable values.

VariableReadWritePackage
A convenience class for dealing with reading and updating multiple variable values.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.filter

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.pattern

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.view

VariableService
Variables service for reading and writing variables, and for setting a version number for the current thread to consider variables for.

Classes in com.espertech.esper.epl.variable used by com.espertech.esper.view.window

VariableChangeCallback
A callback interface for indicating a change in variable value.