Tim

Move unit measurement definition to backend

2

### Body Currently, our measurement units are only defined in the [ui](https://github.com/apache/streampipes/blob/a168786190952bd7f62f020fae2d2e90efb3bd14/ui/src/app/connect/services/unit-provider.service.ts). Let's move them to a dedicated enum in the backend for which we can automatically & continuously generate...

Integrate TS code generation in PR validation

1

### Body After Java is build we should `mvn typescript-generator:generate` both in `streampipes-model` and in `streampipes-model-client` to keep the auto-generated typescript code up to date. After this the file in...

### Body At multiple places in our codebase, we need to distinguish the different types of processing elements (adapter, data processors, and sinks) and other StreamPipes entities/concepts. For this purpose,...

### Body Since the version of ditto client that we use is really outdated (#2050), we should check & test if our [ditto sink](https://github.com/apache/streampipes/blob/3a61b29916b53a5809760e7f59656c495eca6e43/streampipes-extensions/streampipes-sinks-databases-jvm/src/main/java/org/apache/streampipes/sinks/databases/jvm/ditto/DittoSink.java) still works. In addition, the client...

Implement unit tests for pipeline element 'RateLimitProcessor'

7

This issue is about implementing unit tests for our pipeline element [RateLimitProcessor](https://github.com/apache/streampipes/blob/752289c6acfc8fa10398c920d678c5c02143ed5c/streampipes-extensions/streampipes-processors-filters-jvm/src/main/java/org/apache/streampipes/processors/filters/jvm/processor/limit). An example of how to write unit tests for pipeline elements can be found [here](https://github.com/apache/streampipes/tree/ca4e0c2d44c1a713caaee3e9c1bff46096f41c53/streampipes-extensions/streampipes-processors-transformation-jvm/src/test/java/org/apache/streampipes/processors/transformation/jvm/processor). ### Mentoring As...

Implement unit tests for pipeline element 'JSEvalProcessor'

2

This issue is about implementing unit tests for our pipeline element [JSEvalProcessor](https://github.com/apache/streampipes/blob/752289c6acfc8fa10398c920d678c5c02143ed5c/streampipes-extensions/streampipes-processors-enricher-jvm/src/main/java/org/apache/streampipes/processors/enricher/jvm/processor/jseval). An example of how to write unit tests for pipeline elements can be found [here](https://github.com/apache/streampipes/tree/ca4e0c2d44c1a713caaee3e9c1bff46096f41c53/streampipes-extensions/streampipes-processors-transformation-jvm/src/test/java/org/apache/streampipes/processors/transformation/jvm/processor). ### Mentoring As...

New Processor: Datetime to string

18

### Body ### Description A user should have the ability converta datetime values to a human-readable string value in a pipeline. Therefore, a new processor is required that provides the...

Implement unit tests for pipeline element 'ValueChangeProcessor'

4

This issue is about implementing unit tests for our pipeline element [VlaueChangeProcessor](https://github.com/apache/streampipes/blob/752289c6acfc8fa10398c920d678c5c02143ed5c/streampipes-extensions/streampipes-processors-enricher-jvm/src/main/java/org/apache/streampipes/processors/enricher/jvm/processor/valuechange). An example of how to write unit tests for pipeline elements can be found [here](https://github.com/apache/streampipes/tree/ca4e0c2d44c1a713caaee3e9c1bff46096f41c53/streampipes-extensions/streampipes-processors-transformation-jvm/src/test/java/org/apache/streampipes/processors/transformation/jvm/processor). ### Mentoring As...

Implement unit tests for pipeline element 'MergeBySchemaProcessor'

2

This issue is about implementing unit tests for our pipeline element [MergeBySchemaProcessor](https://github.com/apache/streampipes/blob/752289c6acfc8fa10398c920d678c5c02143ed5c/streampipes-extensions/streampipes-processors-filters-jvm/src/main/java/org/apache/streampipes/processors/filters/jvm/processor/schema). An example of how to write unit tests for pipeline elements can be found [here](https://github.com/apache/streampipes/tree/ca4e0c2d44c1a713caaee3e9c1bff46096f41c53/streampipes-extensions/streampipes-processors-transformation-jvm/src/test/java/org/apache/streampipes/processors/transformation/jvm/processor). ### Mentoring As...

Implement unit tests for pipeline element 'MovingAverageProcessor'

2

This issue is about implementing unit tests for our pipeline element [MovingAverageProcessor](https://github.com/apache/streampipes/blob/752289c6acfc8fa10398c920d678c5c02143ed5c/streampipes-extensions/streampipes-processors-filters-jvm/src/main/java/org/apache/streampipes/processors/filters/jvm/processor/movingaverage). An example of how to write unit tests for pipeline elements can be found [here](https://github.com/apache/streampipes/tree/ca4e0c2d44c1a713caaee3e9c1bff46096f41c53/streampipes-extensions/streampipes-processors-transformation-jvm/src/test/java/org/apache/streampipes/processors/transformation/jvm/processor). ### Mentoring As...