org.apache.metamodel.data

Class EmptyDataSet

java.lang.Object

org.apache.metamodel.util.BaseObject

org.apache.metamodel.data.AbstractDataSet

org.apache.metamodel.data.EmptyDataSet

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Row>, DataSet

public final class EmptyDataSet
extends AbstractDataSet

An empty data set.

Constructor Summary

Constructors

Constructor and Description
EmptyDataSet(DataSetHeader header)
EmptyDataSet(List<SelectItem> selectItems)

Method Summary

Modifier and Type	Method and Description
static EmptyDataSet	fromColumns(List<Column> cols)
Row	getRow()
boolean	next() Moves forward to the next row.

Methods inherited from class org.apache.metamodel.data.AbstractDataSet

close, decorateIdentity, getHeader, getSelectItems, indexOf, iterator, toObjectArrays, toRows, toString

Methods inherited from class org.apache.metamodel.util.BaseObject

classEquals, equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

EmptyDataSet

public EmptyDataSet(DataSetHeader header)

EmptyDataSet

public EmptyDataSet(List<SelectItem> selectItems)

Method Detail

fromColumns

public static EmptyDataSet fromColumns(List<Column> cols)

next

public boolean next()

Description copied from interface: DataSet

Moves forward to the next row.

Returns:

true if there is a next row or false if not.

getRow

public Row getRow()

Returns:

the current row.