net.sf.jso.query
Class ValueOperand

java.lang.Object
  net.sf.jso.query.CriteriaOperand
      net.sf.jso.query.ValueOperand

All Implemented Interfaces:

java.io.Serializable

public class ValueOperand

extends CriteriaOperand

Criteria operand which holds a value, corresponding to a variable's (class) field.

See Also:

Serialized Form

Constructor Summary

ValueOperand()
Constructs operand.

ValueOperand(java.lang.Object aValue)
Constructs operand.

Method Summary

java.lang.Object	getValue() Returns operand's value.
boolean	isEmpty() Indicates operands attributes have been specified.
void	setValue(java.lang.Object aValue) Sets operand's value.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueOperand

public ValueOperand()

Constructs operand.

ValueOperand

public ValueOperand(java.lang.Object aValue)

Constructs operand.

Parameters:

aValue - Operand's value.

Method Detail

setValue

public void setValue(java.lang.Object aValue)

Sets operand's value. May only be set once.

Parameters:

aValue - Operand's value. May be null.

Throws:

java.lang.IllegalStateException - If a value has not been set.

getValue

public java.lang.Object getValue()

Returns operand's value. isEmpty() method should be called first to verify if a value has been set.

Returns:

Operand's value.

Throws:

java.lang.IllegalStateException - If a value has not been set.

isEmpty

public boolean isEmpty()

Indicates operands attributes have been specified.

Specified by:

isEmpty in class CriteriaOperand

Returns:

true if attributes have been set; false.

toString

public java.lang.String toString()