CHANGELOG.md

Lightstreamer Changelog

0.17 — March 27, 2023

• Updated supported Ruby version range to 2.7 - 3.2.
• Updated dependency versions.
• Switched from Travis CI to GitHub Actions.
• Removed CodeClimate.

0.16 — April 27, 2020

• Updated supported Ruby version range to 2.5 - 2.7.
• Updated dependency versions.

0.15 — September 12, 2019

• Updated supported Ruby version range to 2.4 - 2.6.
• Switched to cc-test-reporter now that the codeclimate-test-reporter gem has been deprecated.

0.14 — December 7, 2016

• Increased required Ruby version to >= 2.2.2
• Updated to codeclimate-test-reporter 1.0

0.13 — October 19, 2016

• Fixed documentation warnings found by Inch CI

0.12 — August 20, 2016

• Added Lightstreamer::Session#remove_subscriptions
• Removed Lightstreamer::Subscription#session, subscriptions now hold a weak reference to their session in order to prevent a circular reference

0.11 — August 20, 2016

• Added Lightstreamer::Session#stop_subscriptions for stopping multiple subscriptions in one request
• Renamed Lightstreamer::Session#bulk_subscription_start to Lightstreamer::Session#start_subscriptions
• Added support for combining all subscription actions via Lightstreamer::Session#perform_subscription_actions which allows subscription start, unsilence and stop requests to be easily bundled together
• Fixed Lightstreamer::Subscription#id only being callable on the main thread

0.10 — August 5, 2016

• Added support for shared subscription start options to Lightstreamer::Session#bulk_subscription_start

0.9 — August 4, 2016

• Replaced the Lightstreamer::Session#error attribute with a new Lightstreamer::Session#on_error callback to enable more efficient error handling and notification
• Fixed issues with Lightstreamer::Session#bulk_subscription_start

0.8 — August 2, 2016

• Added support for Lightstreamer's COMMAND and RAW subscription modes
• Added support for Lightstreamer's polling mode and switching an active session between streaming and polling
• Lightstreamer::Subscription#item_data now returns nil if the requested item has never had any data set
• Renamed Lightstreamer::Subscription#adapter to Lightstreamer::Subscription#data_adapter and the --adapter command-line option to --data-adapter
• The --mode command-line option is now required because the default value of merge has been removed

0.7 — July 31, 2016

• Refactored subscription handling to be more object-oriented, subscriptions are now created using Lightstreamer::Session#build_subscription and there are new #start, #stop and #unsilence methods on Lightstreamer::Subscription that control a subscription's current state
• Added Lightstreamer::Session#bulk_subscription_start for efficiently starting a number of subscriptions at once
• Added support for sending custom messages using Lightstreamer::Session#send_message, both synchronous and asynchronous messages are supported, and the results of asynchronous messages can be checked using the new Lightstreamer::Session#on_message_result callback
• Added support for setting initial subscription data
• Added support for changing a subscription's requested update frequency after it has been started
• Added support for setting and altering the session's requested maximum bandwidth
• Added support for requesting snapshots on subscriptions
• Added Lightstreamer::Session#session_id to query the session ID
• Added Lightstreamer::Subscription#active to query whether the subscription is active and streaming data
• Stream connection bind requests are now sent to the custom control address if one was specified in the stream connection header
• The command-line client now prints the session ID following successful connection
• Added —requested-maximum-bandwidth option

0.6 — July 27, 2016

• Switched to the excon HTTP library
• Moved all subclasses of Lightstreamer::LightstreamerError into the Lightstreamer::Errors module
• Replaced Lightstreamer::Errors::RequestError with Lightstreamer::Errors::ConnectionError

0.5 — July 26, 2016

• Improved handling of :distinct subscriptions
• Subscriptions can now request an unfiltered stream and handle any overflow messages from the server using Lightstreamer::Subscription#on_overflow
• Added a connection timeout to all requests
• Unhandled exceptions in subscription data callbacks are no longer automatically rescued
• Improved API documentation
• Renamed Lightstreamer::Subscription#add_data_callback to Lightstreamer::Subscription#on_data
• Replaced Lightstreamer::Subscription#remove_data_callback with Lightstreamer::Subscription#clear_callbacks
• Renamed Lightstreamer::Error class to Lightstreamer::LightstreamerError
• Renamed Lightstreamer::Subscription#retrieve_item_data to Lightstreamer::Subscription#item_data
• Removed Lightstreamer::Subscription#clear_data_for_item

0.4 — July 25, 2016

• Added support for specifying a subscription's selector and maximum update frequency
• Added Lightstreamer::Session#force_rebind which asks the server to send a LOOP message so the client has to rebind using a new stream connection
• Added validation of the arguments for control connection subscription requests
• All error classes now inherit from Lightstreamer::Error and the different Lightstreamer errors that can occur are separated into a variety of new subclasses
• Removed Lightstreamer::ProtocolError
• Lightstreamer::Session#disconnect now properly terminates the session with the server by sending the relevant control request
• The reason why a session terminated can now be queried using Lightstreamer::Session#error
• Fixed handling of nil subscription adapters
• Correctly handle when an END message is received on the stream connection
• All valid error responses from session create and bind requests are now handled correctly
• Unhandled exceptions on the internal worker threads now cause the application to terminate

0.3 — July 24, 2016

• Seamlessly rebind the stream connection when a LOOP message is received
• Correctly handle UTF-16 escape sequences in stream data, including UTF-16 surrogate pairs
• Switched to the typhoeus library for HTTP support
• Improved error handling on the stream thread
• Added Lightstreamer::Session#connected?

0.2 — July 23, 2016

• Added complete test suite
• Added Lightstreamer::Session#subscribed? and Lightstreamer::Session#disconnect
• Fixed Lightstreamer::ProtocolError#code not being set
• Renamed the command-line client's --address option to --server-url

0.1 — July 22, 2016

• Initial release