com.sun.jaw.reference.query
Class ValueExp

java.lang.Object
  |
  +--com.sun.jaw.reference.query.QueryEval
        |
        +--com.sun.jaw.reference.query.ValueExp

Direct Known Subclasses:

AttributeExp, BinaryOpExpression, BooleanValue, NumericValue, StringValueExp

public abstract class ValueExp

extends QueryEval

For internal use only.

This interface represents values that can be passed as arguments to relational expressions. Strings, numbers, booleans and attributes are valid values. They are represented by instances of the following classes, all of which implement ValueExp:

• StringValueExp for strings
• AttributeExp for attributes
• NumericValue for numbers
• BooleanValue for booleans

See Also:

StringValueExp, AttributeExp, NumericValue, Query, Serialized Form

Constructor Summary

ValueExp()

Method Summary

ValueExp

apply(java.lang.Object mo)

Methods inherited from class com.sun.jaw.reference.query.QueryEval

setFramework

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueExp

public ValueExp()

Method Detail

apply

public ValueExp apply(java.lang.Object mo)
               throws BadStringOperationException,
                      BadBinaryOpExpressionException,
                      BadAttributeValueException,
                      InvalidApplicationException