com.whitestein.lsps.common.query

Class Ordering<T>

java.lang.Object

com.whitestein.lsps.common.query.Ordering<T>

Type Parameters:

T - the column type

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

LogOrdering, ModelInstanceOrdering, ModuleOrdering, PagingCriteria.DynamicOrdering, PersonOrdering, RollbackInfoOrdering, SavedDocumentOrdering, TodoOrdering, WsRequestHandlerOrdering

public abstract class Ordering<T>
extends Object
implements Serializable

Class for specifying record ordering in queries.

Author:

rba

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Ordering() Creates new instance.
protected	Ordering(OrderDirection direction) Creates new instance.

Method Summary

Modifier and Type	Method and Description
abstract T	getColumn() Returns the column.
OrderDirection	getDirection() Returns the order direction.
boolean	isAscending() Returns true if the ordering is ascending.
boolean	isDescending() Returns true if the ordering is descending.

Methods inherited from class java.lang.Object

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

Constructor Detail

Ordering

protected Ordering()

Creates new instance.

Ordering

protected Ordering(OrderDirection direction)

Creates new instance.

Parameters:

direction -

Method Detail

getColumn

public abstract T getColumn()

Returns the column.

Returns:

the column

getDirection

public OrderDirection getDirection()

Returns the order direction.

Returns:

the order direction

isAscending

public boolean isAscending()

Returns true if the ordering is ascending.

Returns:

true if the ordering is ascending

isDescending

public boolean isDescending()

Returns true if the ordering is descending.

Returns:

true if the ordering is descending