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 . |
ReaderContext |
This class will contain information of different
InputSplit obtained
at master node and configuration. |
WriteEntity | |
WriteEntity.Builder |
This class should be used to build
WriteEntity . |
WriterContext |
This contains information obtained at master node to help prepare slave nodes
for writer.
|
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