net.sf.jso.query
Class FieldOrder

java.lang.Object
  net.sf.jso.query.Order
      net.sf.jso.query.FieldOrder

All Implemented Interfaces:

java.io.Serializable

public class FieldOrder

extends Order

implements java.io.Serializable

A small order expression composed of a variable, a field and an order operator.

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sf.jso.query.Order

elements

Constructor Summary

FieldOrder()
Constructs order field.

FieldOrder(java.lang.String aField)
Constructs order.

FieldOrder(java.lang.String aField, OrderOperator anOperator)
Constructs order.

FieldOrder(Variable aVariable, java.lang.String aField, OrderOperator anOperator)
Constructs order.

Method Summary

void	addOrder(java.util.Collection someOrder) Not supported.
void	addOrder(Order someOrder) Not supported.
java.util.List	getElements() Not supported.
java.lang.String	getField() Returns order's field.
OrderOperator	getOperator() Returns order's operator.
Variable	getVariable() Returns order's variable.
boolean	isEmpty() Indicates if the all order information has been specified.
void	setField(java.lang.String aField) Sets order's field.
void	setOperator(OrderOperator anOperator) Sets order's operator.
void	setVariable(Variable aVariable) Sets order's variable.
int	size() Returns the number of elements of the order.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldOrder

public FieldOrder()

Constructs order field.

FieldOrder

public FieldOrder(Variable aVariable,
                  java.lang.String aField,
                  OrderOperator anOperator)

Constructs order.

Parameters:

aVariable - Order's variable.

aField - Order's field.

anOperator - Order's operator.

FieldOrder

public FieldOrder(java.lang.String aField,
                  OrderOperator anOperator)

Constructs order. Order's variable will be set to parameter's first variable.

Parameters:

aField - Order's field.

anOperator - Order's operator.

See Also:

Parameters.variables

FieldOrder

public FieldOrder(java.lang.String aField)

Constructs order. Order's variable will be set to parameter's first variable and order's operator will be set to ASCENDING.

Parameters:

aField - Order's field.

See Also:

Parameters.variables, OrderOperator.ASCENDING

Method Detail

getField

public java.lang.String getField()

Returns order's field.

Returns:

order's field.

setField

public void setField(java.lang.String aField)

Sets order's field.

Parameters:

aField - Order's field.

getOperator

public OrderOperator getOperator()

Returns order's operator.

Returns:

order's operator.

setOperator

public void setOperator(OrderOperator anOperator)

Sets order's operator.

Parameters:

anOperator - Order's operator.

getVariable

public Variable getVariable()

Returns order's variable.

Returns:

order's variable.

setVariable

public void setVariable(Variable aVariable)

Sets order's variable.

Parameters:

aVariable - Order's variable.

addOrder

public void addOrder(java.util.Collection someOrder)

Not supported.

Overrides:

addOrder in class Order

Parameters:

someOrder - Collection of order to be added.

Throws:

java.lang.UnsupportedOperationException - Always.

addOrder

public void addOrder(Order someOrder)

Not supported.

Overrides:

addOrder in class Order

Parameters:

someOrder - Order to be added.

Throws:

java.lang.UnsupportedOperationException - Always.

getElements

public java.util.List getElements()

Not supported.

Overrides:

getElements in class Order

Returns:

null

isEmpty

public boolean isEmpty()

Indicates if the all order information has been specified.

Overrides:

isEmpty in class Order

Returns:

true if order's variable, field or operator has not been specified; false if all information has been set.

size

public int size()

Returns the number of elements of the order.

Overrides:

size in class Order

Returns:

Always returns 1.