All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class com.sun.jaw.reference.query.ValueExp

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

public abstract class ValueExp

extends QueryEval

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

ValueExp()

apply(Object)

 public ValueExp()

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

All Packages  Class Hierarchy  This Package  Previous  Next  Index