org.apache.hadoop.hive.ql.exec.persistence

Class AbstractRowContainer<ROW>

java.lang.Object

org.apache.hadoop.hive.ql.exec.persistence.AbstractRowContainer<ROW>

Direct Known Subclasses:

MapJoinRowContainer, RowContainer

public abstract class AbstractRowContainer<ROW>
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
AbstractRowContainer()

Method Summary

Modifier and Type	Method and Description
abstract void	add(ROW t)
abstract void	clear() Remove all elements in the RowContainer.
abstract ROW	first()
abstract ROW	next()
abstract long	size() Get the number of elements in the RowContainer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractRowContainer

public AbstractRowContainer()

Method Detail

add

public abstract void add(ROW t)
                  throws HiveException

Throws:

HiveException

first

public abstract ROW first()
                   throws HiveException

Throws:

HiveException

next

public abstract ROW next()
                  throws HiveException

Throws:

HiveException

size

public abstract long size()

Get the number of elements in the RowContainer.

Returns:

number of elements in the RowContainer

clear

public abstract void clear()
                    throws HiveException

Remove all elements in the RowContainer.

Throws:

HiveException