Package org.apache.avro.specific

Generate specific Java classes for schemas and protocols.

See:
Description

Interface Summary

SpecificDatumReader.SchemaConstructable	Tag interface that indicates that a class has a one-argument constructor that accepts a Schema.
SpecificRecord	Implemented by generated record classes.

Class Summary

ProtocolTask	Ant task to generate Java interface and classes for a protocol.
SchemaTask	Ant task to generate Java interface and classes for a protocol.
SpecificCompiler	Generate specific Java interfaces and classes for protocols and schemas.
SpecificCompiler.SpecificCompilerTool	Implementation of Tool for inclusion by the "avro-tools" runner.
SpecificData	Utilities for generated Java classes and interfaces.
SpecificDatumReader<T>	DatumReader for generated Java classes.
SpecificDatumWriter<T>	DatumWriter for generated Java classes.
SpecificFixed	Base class for generated fixed-sized data classes.
SpecificRecordBase	Base class for generated record classes.
SpecificRequestor	Requestor for generated interfaces.
SpecificResponder	Responder for generated interfaces.

Exception Summary

SpecificExceptionBase

Base class for specific exceptions.

Annotation Types Summary

FixedSize

Declares the size of implementations of GenericFixed.

Package org.apache.avro.specific Description

Generate specific Java classes for schemas and protocols.

This API is recommended for most RPC uses and for data applications that always use the same datatypes, i.e., whose schemas are known at compile time. For data applications that accept dynamic datatypes the generic API is recommended.

Avro types are mapped to Java as follows:

• Record, enum, and fixed schemas generate Java class definitions.
• All other types are mapped as in the generic API.

Note that when a generated class is not found corresponding to a record, enum or fixed schema, a generic representation is used. This permits generated classes to be nested within generic data structures.