org.apache.qpid.jms.selector.filter

Interface Expression

All Known Subinterfaces:

BooleanExpression

All Known Implementing Classes:

ArithmeticExpression, BinaryExpression, ComparisonExpression, ConstantExpression, LogicExpression, PropertyExpression, UnaryExpression

public interface Expression

Represents an expression

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Filterable message)

Method Detail

evaluate

Object evaluate(Filterable message)
         throws FilterException

Parameters:

message - The message that is being selected against.

Returns:

the value of this expression

Throws:

FilterException - if an error occurs during evaluation.