uk.ac.ed.epcc.safe.accounting.selector

Class OrderClause<T>

java.lang.Object

uk.ac.ed.epcc.safe.accounting.selector.OrderClause<T>

Type Parameters:

T -

All Implemented Interfaces:

RecordSelector

public class OrderClause<T>
extends java.lang.Object
implements RecordSelector

A RecordSelector that requests the results be generated in a particular order.

Author:

spb

Constructor Summary

Constructors

Constructor and Description
OrderClause(boolean descending, PropExpression<T> e)

Method Summary

Methods

Modifier and Type	Method and Description
RecordSelector	copy() return a copy of the RecordSelector.
boolean	getDescending()
PropExpression<T>	getExpr()
<R> R	visit(SelectorVisitor<R> visitor)

Methods inherited from class java.lang.Object

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

Constructor Detail

OrderClause

public OrderClause(boolean descending,
           PropExpression<T> e)

Method Detail

visit

public <R> R visit(SelectorVisitor<R> visitor)
        throws java.lang.Exception

Specified by:

visit in interface RecordSelector

Throws:

java.lang.Exception

copy

public RecordSelector copy()

Description copied from interface: RecordSelector

return a copy of the RecordSelector. This may be a self reference if the object is immutable. Normally implementing sub-classes should be immutable (calling copy on any RecordSelector sub-arguments. In this case the return type should be narrowed to the sub-type.

Specified by:

copy in interface RecordSelector

Returns:

RecordSelector

getExpr

public PropExpression<T> getExpr()

getDescending

public boolean getDescending()