| Interface | Description |
|---|---|
| ReaderContext |
This read context is obtained by the master node and should be distributed
to the slaves.
|
| WriterContext |
This contains information obtained at master node to be distributed to
slaves nodes that will do the writing.
|
| Class | Description |
|---|---|
| DataTransferFactory |
Use this factory to get instances of
HCatReader or HCatWriter
at master and slave nodes. |
| HCatReader |
This abstract class is internal to HCatalog and abstracts away the notion of
underlying system from which reads will be done.
|
| HCatWriter |
This abstraction is internal to HCatalog.
|
| ReadEntity | |
| ReadEntity.Builder |
This class should be used to build
ReadEntity. |
| WriteEntity | |
| WriteEntity.Builder |
This class should be used to build
WriteEntity. |
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