## Uses of Class
org.apache.avro.mapred.AvroWrapper

- Packages that use AvroWrapper
  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.

- - ### Uses of AvroWrapper in org.apache.avro.hadoop.io

    Classes in org.apache.avro.hadoop.io with type parameters of type AvroWrapper
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AvroDeserializer<T extends AvroWrapper<D>,D>` Deserializes AvroWrapper objects within Hadoop.

    Methods in org.apache.avro.hadoop.io that return AvroWrapper
    Modifier and Type | Method and Description
    --- | ---
    `protected AvroWrapper<D>` | AvroValueDeserializer.`createAvroWrapper()` Creates a new empty `AvroValue` instance.
    `protected AvroWrapper<D>` | AvroKeyDeserializer.`createAvroWrapper()` Creates a new empty `AvroKey` instance.

    Methods in org.apache.avro.hadoop.io that return types with arguments of type 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.

    Methods in org.apache.avro.hadoop.io with parameters of type AvroWrapper
    Modifier and Type | Method and Description
    --- | ---
    `Object` | AvroDatumConverterFactory.AvroWrapperConverter.`convert(AvroWrapper<?> input)`
    `void` | AvroSerializer.`serialize(AvroWrapper<T> avroWrapper)`

    Method parameters in org.apache.avro.hadoop.io with type arguments of type 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.

  - ### Uses of AvroWrapper in org.apache.avro.mapred

    Subclasses of AvroWrapper in org.apache.avro.mapred
    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` .

    Methods in org.apache.avro.mapred that return AvroWrapper
    Modifier and Type | Method and Description
    --- | ---
    `AvroWrapper<T>` | AvroRecordReader.`createKey()`

    Methods in org.apache.avro.mapred that return types with arguments of type AvroWrapper
    Modifier and Type | Method and Description
    --- | ---
    `Deserializer<AvroWrapper<T>>` | AvroSerialization.`getDeserializer(Class<AvroWrapper<T>> c)` Returns the specified map output deserializer.
    `RecordReader<AvroWrapper<Pair<K,V>>,NullWritable>` | SequenceFileInputFormat.`getRecordReader(InputSplit split, JobConf job, Reporter reporter)`
    `RecordReader<AvroWrapper<Utf8>,NullWritable>` | AvroUtf8InputFormat.`getRecordReader(InputSplit split, JobConf job, Reporter reporter)`
    `RecordReader<AvroWrapper<T>,NullWritable>` | AvroInputFormat.`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.

    Methods in org.apache.avro.mapred with parameters of type AvroWrapper
    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)`

    Method parameters in org.apache.avro.mapred with type arguments of type AvroWrapper
    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.

  - ### Uses of AvroWrapper in org.apache.trevni.avro

    Methods in org.apache.trevni.avro that return types with arguments of type AvroWrapper
    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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