Apache Avro 1.11.3 · org.apache.avro.specific

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.
If a Conversion instance is available for the related logical type, the value will be mapped to the object returned by that Conversion. The logical type conversions for date, time-millis, timestamp-millis and decimal are pre-defined in the class href="../../../../org/apache/avro/compiler/specific/SpecificCompiler.html" title="class in org.apache.avro.compiler.specific"><code>SpecificCompiler</code></a>.
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.

Modifier and Type	Interface and Description
public interface	SpecificRecord Implemented by generated record classes.

Annotation Summary

Modifier and Type	Annotation and Description
public @interface	AvroGenerated Indicates that an annotated class is an Avro generated class.
public @interface	FixedSize Declares the size of implementations of `GenericFixed`.

Class Summary

Modifier and Type	Class and Description
pack-priv class	ExternalizableInput Helper to permit Externalizable implementations that write to an InputStream.
pack-priv class	ExternalizableOutput Helper to permit Externalizable implementations that write to an OutputStream.
public class	SpecificData Utilities for generated Java classes and interfaces.
public class	SpecificDatumReader<T> `DatumReader` for generated Java classes.
public class	SpecificDatumWriter<T> `DatumWriter` for generated Java classes.
public abstract class	SpecificErrorBuilderBase<T extends SpecificExceptionBase> Abstract base class for specific ErrorBuilder implementations.
public abstract class	SpecificExceptionBase Base class for specific exceptions.
public abstract class	SpecificFixed Base class for generated fixed-sized data classes.
public abstract class	SpecificRecordBase Base class for generated record classes.
public abstract class	SpecificRecordBuilderBase<T extends SpecificRecord> Abstract base class for specific RecordBuilder implementations.

Package org.apache.avro.specific

Interface Summary

Annotation Summary

Class Summary