Uses of Package
org.diirt.datasource

Packages that use org.diirt.datasource

Package	Description
org.diirt.datasource
org.diirt.datasource.expression	Interfaces for the expressions PVManager can consume.
org.diirt.datasource.extra	This package contains experimental classes that, once stable, will be deprecated and moved into more official packages.
org.diirt.datasource.file	Support for a data source for file based channels (channel syntax).
org.diirt.datasource.formula	Support for formula expressions (formula syntax).
org.diirt.datasource.graphene
org.diirt.datasource.integration
org.diirt.datasource.loc	Support for a data source that reads and writes channels that reside in the local memory (channel syntax).
org.diirt.datasource.pods.web
org.diirt.datasource.sim	DataSource for simulated data (channel syntax).
org.diirt.datasource.sys	DataSource for system data (channel syntax).
org.diirt.datasource.test	Support for a data source that simulates various error conditions.
org.diirt.support.ca	Support for Epics 3 data source (channel syntax).
org.diirt.support.pva	Support for Epics 4 data source (channel syntax).

Classes in org.diirt.datasource used by org.diirt.datasource

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ChannelHandlerReadSubscription Groups all the parameters required to add a reader to a ChannelHandler.
ChannelHandlerWriteSubscription Groups all the parameters required to add a writer to a ChannelHandler.
ChannelReadRecipe The recipe for the read connection to a single channel.
ChannelWriteCallback Called by the ChannelHandler once a write is completed.
ChannelWriteRecipe The recipe for the write connection to a single channel.
Collector A collector can be written from one thread and read from another and provides the point where two subsystems and their rate can be decoupled.
CompositeDataSource A data source that can dispatch a request to multiple different data sources.
CompositeDataSourceConfiguration Configuration for CompositeDataSource.
ConnectionCollector A specialized collector to handle multiple channels that can be added/removed dynamically and which gets translated to a single connection flag for a reader or writer.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceConfiguration The configuration for a data source.
DataSourceProvider A class that provides support for a DataSource.
DataSourceTypeAdapter Matches and fills a cache with the data from connection and message payloads.
ExceptionHandler This class receives all the exceptions generated by a PV.
ExpressionLanguage.Filter Filters a data stream, removing updates that match the given function.
ExpressionLanguage.OneArgFunction A user provided single argument function.
ExpressionLanguage.TwoArgFunction A user provided double argument function.
Notification Used by NotificationSupport to communicate whether a new notification is needed, and what should be the type to be notified.
NotificationSupport Dedicated notification type support.
PV A PV that can be both read and written.
PVConfiguration Allows to configure the type of read/write PV to create.
PVReader An object representing the PVReader.
PVReaderConfiguration An expression used to set the final parameters on how the pv expression should be read.
PVReaderEvent An event for the reader.
PVReaderListener Callback for any change in the PV value.
PVWriter An object representing a writable PV.
PVWriterConfiguration An expression used to set the final parameters on how the pv expression should be written.
PVWriterEvent An event for the writer.
PVWriterListener Callback for delivery notification of new value.
ReadFunction A basic building block in the PVManager framework that can return a result of a given type.
ReadRecipe Represents all the information necessary to connect to a DataSource.
ReadRecipeBuilder Builder class for ReadRecipe.
TypeSupport Implements the mechanism for registering different types so that the library knows how to handle them.
ValueCache Represent a building block that can store a particular value
WriteCache Represent part of the write recipe that holds the value for one pv.
WriteFunction A basic building block in the PVManager framework that can write an object of a given type.
WriteRecipe Represents all the values, channel names and ordering information needed for writing
WriteRecipeBuilder A builder for WriteRecipe.

Classes in org.diirt.datasource used by org.diirt.datasource.expression

Class and Description
Collector A collector can be written from one thread and read from another and provides the point where two subsystems and their rate can be decoupled.
PVDirector Orchestrates the different elements of pvmanager to make a reader functional.
PVWriterDirector Orchestrates the different elements of pvmanager to make a writer functional.
ReadFunction A basic building block in the PVManager framework that can return a result of a given type.
ReadRecipeBuilder Builder class for ReadRecipe.
WriteFunction A basic building block in the PVManager framework that can write an object of a given type.
WriteRecipeBuilder A builder for WriteRecipe.

Classes in org.diirt.datasource used by org.diirt.datasource.extra

Class and Description
ReadFunction A basic building block in the PVManager framework that can return a result of a given type.

Classes in org.diirt.datasource used by org.diirt.datasource.file

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ConfigurableDataSourceProvider DataSourceProvider for a data source that require configuration.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceConfiguration The configuration for a data source.
DataSourceProvider A class that provides support for a DataSource.

Classes in org.diirt.datasource used by org.diirt.datasource.formula

Class and Description
PVDirector Orchestrates the different elements of pvmanager to make a reader functional.

Classes in org.diirt.datasource used by org.diirt.datasource.graphene

Class and Description
QueueCollector Collects value at read rate and puts them in a queue.
ReadFunction A basic building block in the PVManager framework that can return a result of a given type.

Classes in org.diirt.datasource used by org.diirt.datasource.integration

Class and Description
PVReader An object representing the PVReader.
PVReaderConfiguration An expression used to set the final parameters on how the pv expression should be read.
PVReaderEvent An event for the reader.
PVReaderListener Callback for any change in the PV value.
PVWriterConfiguration An expression used to set the final parameters on how the pv expression should be written.
PVWriterEvent An event for the writer.
PVWriterListener Callback for delivery notification of new value.

Classes in org.diirt.datasource used by org.diirt.datasource.loc

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceProvider A class that provides support for a DataSource.
ReadRecipe Represents all the information necessary to connect to a DataSource.
WriteRecipe Represents all the values, channel names and ordering information needed for writing

Classes in org.diirt.datasource used by org.diirt.datasource.pods.web

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ConfigurableDataSourceProvider DataSourceProvider for a data source that require configuration.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceConfiguration The configuration for a data source.
DataSourceProvider A class that provides support for a DataSource.

Classes in org.diirt.datasource used by org.diirt.datasource.sim

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceProvider A class that provides support for a DataSource.

Classes in org.diirt.datasource used by org.diirt.datasource.sys

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceProvider A class that provides support for a DataSource.

Classes in org.diirt.datasource used by org.diirt.datasource.test

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ChannelReadRecipe The recipe for the read connection to a single channel.
ChannelWriteRecipe The recipe for the write connection to a single channel.
DataSource A source for data that is going to be processed by the PVManager.
ExceptionHandler This class receives all the exceptions generated by a PV.
PVReader An object representing the PVReader.
PVReaderEvent An event for the reader.
PVReaderListener Callback for any change in the PV value.
PVWriter An object representing a writable PV.
PVWriterEvent An event for the writer.
PVWriterListener Callback for delivery notification of new value.
ReadRecipe Represents all the information necessary to connect to a DataSource.
WriteRecipe Represents all the values, channel names and ordering information needed for writing

Classes in org.diirt.datasource used by org.diirt.support.ca

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ConfigurableDataSourceProvider DataSourceProvider for a data source that require configuration.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceConfiguration The configuration for a data source.
DataSourceProvider A class that provides support for a DataSource.
DataSourceTypeAdapter Matches and fills a cache with the data from connection and message payloads.
DataSourceTypeAdapterSet A set of type adapters.
DataSourceTypeSupport The type support for a datasource.
ValueCache Represent a building block that can store a particular value

Classes in org.diirt.datasource used by org.diirt.support.pva

Class and Description
ChannelHandler Manages the connection for each channel of a data source.
ChannelHandlerReadSubscription Groups all the parameters required to add a reader to a ChannelHandler.
ChannelWriteCallback Called by the ChannelHandler once a write is completed.
DataSource A source for data that is going to be processed by the PVManager.
DataSourceProvider A class that provides support for a DataSource.
DataSourceTypeAdapter Matches and fills a cache with the data from connection and message payloads.
DataSourceTypeAdapterSet A set of type adapters.
DataSourceTypeSupport The type support for a datasource.
MultiplexedChannelHandler Implements a ChannelHandler on top of a single subscription and multiplexes all reads on top of it.
ValueCache Represent a building block that can store a particular value