NSCompoundPredicate

A specialized predicate that evaluates logical combinations of other predicates.

Declaration

class NSCompoundPredicate

Overview

Use NSCompoundPredicate to create an AND or OR compound predicate of one or more other predicates, or the NOT of a single predicate. For the logical AND and OR operations:

An AND predicate with no subpredicates evaluates to true.
An OR predicate with no subpredicates evaluates to false.
A compound predicate with one or more subpredicates evaluates to the truth of its subpredicates.

Topics

Creating Compound Predicates

init(andPredicateWithSubpredicates:)
init(notPredicateWithSubpredicate:)
init(orPredicateWithSubpredicates:)
init(type:subpredicates:)
init(coder:)

Getting Information About a Compound Predicate

compoundPredicateType
subpredicates
NSCompoundPredicate.LogicalType

NSCompoundPredicate

Declaration

Overview

Topics

Creating Compound Predicates

Getting Information About a Compound Predicate

Relationships

Inherits From

Conforms To

See Also

Filltering