5.2.1.2. gemini_framework.abstract.database_reader_abstract
Abstract database reader organizing internal/external data flows.
Coordinates reading from an external source and writing into the framework’s
internal time-series database (InfluxDB by default), including tag
registration and time handling.
Classes
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class gemini_framework.abstract.database_reader_abstract.DatabaseReaderAbstract[source]
Bases: ABC
Abstract base class for database readers.
Initialize database reader.
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connect()[source]
Connect to databases.
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delete(plant_name)[source]
Delete plant data from database.
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disconnect()[source]
Disconnect from databases.
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get_current_time_str()[source]
Get current time as string.
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get_internal_database_last_time_str(plant_name, asset_name, tagname)[source]
Get last time from internal database.
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import_raw_data()[source]
Import raw data from external to internal database.
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read_external_database(external_tagname, starttime_str, endtime_str, timestep=None)[source]
Read data from external database.
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read_internal_database(plant_name, asset_name, internal_tagname, starttime_str, endtime_str, timestep=None)[source]
Read data from internal database.
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register_tags(units)[source]
Register tags for units.
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static round_minutes(dt, direction, resolution)[source]
Round datetime to specified resolution.
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abstract set_external_db_parameters()[source]
Set external database parameters.
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set_internal_db_parameters()[source]
Set internal database parameters.
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update_parameters(parameters)[source]
Update reader parameters.
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write_internal_database(plant_name, asset_name, internal_tagname, time, result)[source]
Write data to internal database.