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To process external data streams they need to be registered in Odysseus. This is typically done with one of the query languages Odysseus provides. Although it is possible to use CQL to attach data streams, the PQL approach is much more flexible. In the following we will concentrate on the integration approach with PQL (the corresponding usage with CQL can be found in The Access Operator Framework in CQL(StreamSQL))
PQL - ACCESS
To integrate new streams with PQL the ACCESS-Operator is needed. Because of compatibility issues, there are a lot of more deprecated parameters, which can be set. In the following we will only describe the preferred parameters. The deprecated parameters will be removed in a future version.
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To publish processed data with PQL the SENDER-Operator is needed. This operator takes care of the application depending and transport depending transformation and delivery of the processed elements in the data stream.
The following parameters are required in the SENDER-Operator:
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