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ReaderLookup

Description​

Provides a RecordReaderFactory that can be used to dynamically select another RecordReaderFactory. This will allow multiple RecordReaderFactories to be defined and registered, and then selected dynamically at runtime by referencing a FlowFile attribute in the Service to Use property.

Tags​

lookup, parse, reader, record, row

Properties​

In the list below required Properties are shown with an asterisk (*). Other properties are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.

Display NameAPI NameDefault ValueAllowable ValuesDescription
Service to Use *Service to Use${recordreader.name}Specifies the name of the user-defined property whose associated Controller Service should be used.

Supports Expression Language, using FlowFile attributes and Environment variables.

State Management​

This component does not store state.

Restricted​

This component is not restricted.

System Resource Considerations​

This component does not specify system resource considerations.

See Also​

RecordSetWriterLookup