| Package | Description | 
|---|---|
| org.apache.avro.ipc | Support for inter-process calls. | 
| org.apache.avro.ipc.specific | |
| org.apache.avro.mapred | Run Hadoop MapReduce jobs over
Avro data, with map and reduce functions written in Java. | 
| org.apache.avro.mapred.tether | Run Hadoop MapReduce jobs over
Avro data, with map and reduce functions run in a sub-process. | 
| org.apache.avro.reflect | Use Java reflection to generate schemas and protocols for existing
classes. | 
| org.apache.avro.specific | Generate specific Java classes for schemas and protocols. | 
| Class and Description | 
|---|
| AvroGenerated Indicates that an annotated class is an Avro generated class. | 
| FixedSize Declares the size of implementations of
  GenericFixed. | 
| SpecificData Utilities for generated Java classes and interfaces. | 
| SpecificFixed Base class for generated fixed-sized data classes. | 
| SpecificRecord Implemented by generated record classes. | 
| SpecificRecordBase Base class for generated record classes. | 
| SpecificRecordBuilderBase Abstract base class for specific RecordBuilder implementations. | 
| Class and Description | 
|---|
| SpecificData Utilities for generated Java classes and interfaces. | 
| Class and Description | 
|---|
| SpecificData.SchemaConstructable Tag interface that indicates that a class has a one-argument constructor that
 accepts a Schema. | 
| Class and Description | 
|---|
| AvroGenerated Indicates that an annotated class is an Avro generated class. | 
| Class and Description | 
|---|
| SpecificData Utilities for generated Java classes and interfaces. | 
| SpecificDatumReader DatumReaderfor generated Java
 classes. | 
| SpecificDatumWriter DatumWriterfor generated Java
 classes. | 
| Class and Description | 
|---|
| SpecificData Utilities for generated Java classes and interfaces. | 
| SpecificErrorBuilderBase Abstract base class for specific ErrorBuilder implementations. | 
| SpecificExceptionBase Base class for specific exceptions. | 
| SpecificFixed Base class for generated fixed-sized data classes. | 
| SpecificRecord Implemented by generated record classes. | 
| SpecificRecordBuilderBase Abstract base class for specific RecordBuilder implementations. | 
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