org.apache.metamodel.data

Class SimpleDataSetHeader

java.lang.Object

org.apache.metamodel.data.SimpleDataSetHeader

All Implemented Interfaces:

Serializable, DataSetHeader

Direct Known Subclasses:

CachingDataSetHeader

public class SimpleDataSetHeader
extends Object
implements DataSetHeader

Simple implementation of DataSetHeader which does no magic to improve performance. Note that except for datasets with very few records, the CachingDataSetHeader is preferred.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SimpleDataSetHeader(List<SelectItem> items)
SimpleDataSetHeader(SelectItem[] selectItems)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
static SimpleDataSetHeader	fromColumns(List<Column> cols)
SelectItem	getSelectItem(int index)
List<SelectItem>	getSelectItems()
int	hashCode()
int	indexOf(Column column)
int	indexOf(SelectItem item)
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDataSetHeader

public SimpleDataSetHeader(List<SelectItem> items)

SimpleDataSetHeader

public SimpleDataSetHeader(SelectItem[] selectItems)

Method Detail

fromColumns

public static SimpleDataSetHeader fromColumns(List<Column> cols)

getSelectItems

public final List<SelectItem> getSelectItems()

Specified by:

getSelectItems in interface DataSetHeader

size

public final int size()

Specified by:

size in interface DataSetHeader

getSelectItem

public SelectItem getSelectItem(int index)

Specified by:

getSelectItem in interface DataSetHeader

indexOf

public int indexOf(Column column)

Specified by:

indexOf in interface DataSetHeader

indexOf

public int indexOf(SelectItem item)

Specified by:

indexOf in interface DataSetHeader

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object