AvroReader
Description
Parses Avro data and returns each Avro record as an separate Record object. The Avro data may contain the schema itself, or the schema can be externalized and accessed by one of the methods offered by the 'Schema Access Strategy' property.
Tags
avro, comma, delimited, parse, reader, record, row, separated, values
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 Name | API Name | Default Value | Allowable Values | Description |
---|---|---|---|---|
Schema Access Strategy * | schema-access-strategy | Use Embedded Avro Schema |
| Specifies how to obtain the schema that is to be used for interpreting the data. |
Schema Registry | schema-registry | Controller Service: SchemaRegistry Implementations: AmazonGlueSchemaRegistry ApicurioSchemaRegistry AvroSchemaRegistry ConfluentSchemaRegistry | Specifies the Controller Service to use for the Schema Registry This property is only considered if:
| |
Schema Name | schema-name | ${schema.name} | Specifies the name of the schema to lookup in the Schema Registry property Supports Expression Language, using FlowFile attributes and Environment variables. This property is only considered if:
| |
Schema Version | schema-version | Specifies the version of the schema to lookup in the Schema Registry. If not specified then the latest version of the schema will be retrieved. Supports Expression Language, using FlowFile attributes and Environment variables. This property is only considered if:
| ||
Schema Branch | schema-branch | Specifies the name of the branch to use when looking up the schema in the Schema Registry property. If the chosen Schema Registry does not support branching, this value will be ignored. Supports Expression Language, using FlowFile attributes and Environment variables. This property is only considered if:
| ||
Schema Text | schema-text | ${avro.schema} | The text of an Avro-formatted Schema Supports Expression Language, using FlowFile attributes and Environment variables. This property is only considered if:
| |
Schema Reference Reader * | schema-reference-reader | Controller Service: SchemaReferenceReader Implementations: ConfluentEncodedSchemaReferenceReader | Service implementation responsible for reading FlowFile attributes or content to determine the Schema Reference Identifier This property is only considered if:
| |
Cache Size * | cache-size | 1000 | Specifies how many Schemas should be cached |
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.