In a recent Oracle Live Webcast, Oracle formally released Helidon 2.0 and announced that Coherence, Oracle’s in-memory data grid solution, will be open-sourced. Helidon 2.0 ships with a host of new significant features such as: support for reactive messaging and streams; a new command-line tool, a new web client API for Helidon SE, GraalVM support for Helidon MP, and a new reactive database client.
Helidon, a Greek word for a swallow, is an open-source framework and collection of Java libraries designed for creating microservices-based applications. There are two versions: Helidon SE provides core functional-style APIs for building microservices-based applications. An application server is not required; Helidon MP is an implementation of the MicroProfile specification for building microservices-based applications. A full list of supported APIs for Helidon SE and Helidon MP is available.
To complement the original three core Helidon SE APIs – Web Server, Configuration and Security – a new Web Client API completes the set for Helidon SE. Web Client processes HTTP requests and responses related to a specified endpoint. Consider this small example where an instance of the WebClient interface is built along with a response that returns plain text: Read the complete article here.
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