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.
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 |
embedded-avro-schema |
|
Specifies how to obtain the schema that is to be used for interpreting the data. |
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. |
||
Schema Name |
Schema Name |
${schema.name} |
Specifies the name of the schema to lookup in the Schema Registry property |
|
Schema Reference Reader * |
Schema Reference Reader |
Service implementation responsible for reading FlowFile attributes or content to determine the Schema Reference Identifier |
||
Schema Registry |
Schema Registry |
Specifies the Controller Service to use for the Schema Registry |
||
Schema Text |
Schema Text |
${avro.schema} |
The text of an Avro-formatted Schema |
|
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. |
||
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.