PATH Documentation > WebObjects 4.5 > EOControl Reference

EOQualifierEvaluation

Adopted by: EOAndQualifier EOKeyComparisonQualifier EOKeyValueQualifier EONotQualifier EOOrQualifier

Declared in:
EOControl/EOQualifier.h

Protocol Description

The EOQualifierEvaluation protocol defines a method, evaluateWithObject:, that performs in-memory evaluation of qualifiers. All qualifier classes whose objects can be evaluated in memory must implement this protocol.

Instance Methods

evaluateWithObject:

- (BOOL)evaluateWithObject:object

Returns YES if the argument object satisfies the qualifier, NO otherwise. This method can raise one of several possible exceptions if an error occurs, depending on the implementation.