| Package | Description | 
|---|---|
| org.apache.avro.hadoop.io | |
| org.apache.avro.mapred | Run Hadoop MapReduce jobs over
Avro data, with map and reduce functions written in Java. | 
| org.apache.trevni.avro | Read and write Avro data
in Trevni column files. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AvroDeserializer<T extends AvroWrapper<D>,D>Deserializes AvroWrapper objects within Hadoop. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected AvroWrapper<D> | AvroValueDeserializer. createAvroWrapper()Creates a new empty  AvroValueinstance. | 
| protected AvroWrapper<D> | AvroKeyDeserializer. createAvroWrapper()Creates a new empty  AvroKeyinstance. | 
| Modifier and Type | Method and Description | 
|---|---|
| Deserializer<AvroWrapper<T>> | AvroSerialization. getDeserializer(Class<AvroWrapper<T>> c)Gets an object capable of deserializing the output from a Mapper. | 
| Serializer<AvroWrapper<T>> | AvroSerialization. getSerializer(Class<AvroWrapper<T>> c)Gets an object capable of serializing output from a Mapper. | 
| Modifier and Type | Method and Description | 
|---|---|
| Object | AvroDatumConverterFactory.AvroWrapperConverter. convert(AvroWrapper<?> input) | 
| void | AvroSerializer. serialize(AvroWrapper<T> avroWrapper) | 
| Modifier and Type | Method and Description | 
|---|---|
| Deserializer<AvroWrapper<T>> | AvroSerialization. getDeserializer(Class<AvroWrapper<T>> c)Gets an object capable of deserializing the output from a Mapper. | 
| Serializer<AvroWrapper<T>> | AvroSerialization. getSerializer(Class<AvroWrapper<T>> c)Gets an object capable of serializing output from a Mapper. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AvroKey<T>The wrapper of keys for jobs configured with  AvroJob. | 
| class  | AvroValue<T>The wrapper of values for jobs configured with  AvroJob. | 
| Modifier and Type | Method and Description | 
|---|---|
| AvroWrapper<T> | AvroRecordReader. createKey() | 
| Modifier and Type | Method and Description | 
|---|---|
| Deserializer<AvroWrapper<T>> | AvroSerialization. getDeserializer(Class<AvroWrapper<T>> c)Returns the specified map output deserializer. | 
| RecordReader<AvroWrapper<T>,NullWritable> | AvroInputFormat. getRecordReader(InputSplit split,
               JobConf job,
               Reporter reporter) | 
| RecordReader<AvroWrapper<Utf8>,NullWritable> | AvroUtf8InputFormat. getRecordReader(InputSplit split,
               JobConf job,
               Reporter reporter) | 
| RecordReader<AvroWrapper<Pair<K,V>>,NullWritable> | SequenceFileInputFormat. getRecordReader(InputSplit split,
               JobConf job,
               Reporter reporter) | 
| RecordWriter<AvroWrapper<T>,NullWritable> | AvroOutputFormat. getRecordWriter(FileSystem ignore,
               JobConf job,
               String name,
               Progressable prog) | 
| Serializer<AvroWrapper<T>> | AvroSerialization. getSerializer(Class<AvroWrapper<T>> c)Returns the specified output serializer. | 
| Modifier and Type | Method and Description | 
|---|---|
| int | AvroKeyComparator. compare(AvroWrapper<T> x,
       AvroWrapper<T> y) | 
| int | AvroKeyComparator. compare(AvroWrapper<T> x,
       AvroWrapper<T> y) | 
| boolean | AvroRecordReader. next(AvroWrapper<T> wrapper,
    NullWritable ignore) | 
| Modifier and Type | Method and Description | 
|---|---|
| Deserializer<AvroWrapper<T>> | AvroSerialization. getDeserializer(Class<AvroWrapper<T>> c)Returns the specified map output deserializer. | 
| Serializer<AvroWrapper<T>> | AvroSerialization. getSerializer(Class<AvroWrapper<T>> c)Returns the specified output serializer. | 
| Modifier and Type | Method and Description | 
|---|---|
| RecordReader<AvroWrapper<T>,NullWritable> | AvroTrevniInputFormat. getRecordReader(InputSplit split,
               JobConf job,
               Reporter reporter) | 
| RecordWriter<AvroWrapper<T>,NullWritable> | AvroTrevniOutputFormat. getRecordWriter(FileSystem ignore,
               JobConf job,
               String name,
               Progressable prog) | 
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