org.apache.hive.hcatalog.data.transfer

Interface ReaderContext

All Superinterfaces:

Externalizable, Serializable

public interface ReaderContext
extends Externalizable

This read context is obtained by the master node and should be distributed to the slaves. The contents of the class are opaque to the client. This interface extends Externalizable so that implementing classes can be serialized using standard Java mechanisms.

Method Summary

Methods

Modifier and Type	Method and Description
int	numSplits() Determine the number of splits available in this ReaderContext.

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Method Detail

numSplits

int numSplits()

Determine the number of splits available in this ReaderContext. The client is not required to have this many slave nodes, as one slave can be used to read multiple splits.

Returns:

number of splits