| Package | Description | 
|---|---|
| org.apache.hadoop.mapred.nativetask | |
| org.apache.hadoop.mapred.nativetask.buffer | |
| org.apache.hadoop.mapred.nativetask.handlers | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | INativeHandlerA Handler accept input, and give output can be used to transfer command and data | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | NativeBatchProcessorused to create channel, transfer data and command between Java and native | 
| Constructor and Description | 
|---|
| ByteBufferDataWriter(NativeDataTarget handler) | 
| Constructor and Description | 
|---|
| BufferPullee(Class<IK> iKClass,
            Class<IV> iVClass,
            org.apache.hadoop.mapred.RawKeyValueIterator rIter,
            NativeDataTarget target) | 
| BufferPusher(Class<K> iKClass,
            Class<V> iVClass,
            NativeDataTarget target) | 
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