- Inherits from:
- BDQualifier
- NSObject
- Conforms to:
- BDQualifierEvaluation
- NSCoding
- Declared in:
- BDControl/BDKeyComparisonQualifier.h
A BDKeyComparisonQualifier compares the values of two attributes of the object the qualifier is evaluated against.
A BDKeyComparisonQualifier is used to compare two of an object's attributes using one of the standard BDQualifier comparison selectors.
- BDQualifierEvaluation
- -evaluateWithObject:
- NSCoding
- -encodeWithCoder:
- -initWithCoder:
- Initialization
- -initWithLeftKey:operatorSelector:rightKey:
- Accessors
- -leftKey
- -operatorSelector
- -rightKey
- (id)initWithLeftKey:(NSString *)leftKey operatorSelector:(SEL)operatorSelector rightKey:(NSString *)rightKey
Initializes an instance of BDKeyComparisonQualifier with the keys to compare and the comparison operation to use.
- (NSString *)leftKey
Returns the left-hand key.
- (SEL)operatorSelector
Returns the selector used to compare the values of the two keys when the qualifier is evaluated.
- (NSString *)rightKey
Returns the right-hand key.