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Lightstreamer Data Adapter
The Kernel of Lightstreamer is integrated with any data feed (the source of real-time information) by means of a Data Adapter.
Each Data Adapter is a connector that interfaces Lightstreamer Server with a data source. It receives a flow of data from the back-end systems (information providers, data feeds, databases, application servers, CRMs or any other legacy platforms) and injects it into the Lightstreamer Kernel for controlled delivery to individual users.
The system integrator that implements the Data Adapter is free to use any technology tointegrate the Kernel with the data feed. However, it is preferable to use middleware that provides asynchronous paradigms, such as message-oriented systems, so as not to break the asynchronous chain that goes from the feed to the user's client. In any case, it is also possible to use polling techniques to get updates from the data feed (e.g. polling a file or a database).
Because Lightstreamer is able to manage an arbitrary number of different Data Adapters and Metadata Adapters (grouped together into Adapter Sets), it is possible to integrate heterogeneous sources of information while maintaining a single point of access to the streaming/push channel."
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