Enumeration: NSAttributeType
Overview
Defines the possible types of NSAttributeType properties. These explicitly distinguish between bit sizes to ensure data store independence.
Constant Summary
- NSUndefinedAttributeType
Specifies an undefined attribute type.nsundefinedattributetype is valid for transient properties—core data will still track the property as an id value and register undo/redo actions, and so on. nsundefinedattributetype is illegal for non-transient properties.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSInteger16AttributeType
Specifies a 16-bit signed integer attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSInteger32AttributeType
Specifies a 32-bit signed integer attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSInteger64AttributeType
Specifies a 64-bit signed integer attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSDecimalAttributeType
Specifies an nsdecimalnumber attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSDoubleAttributeType
Specifies a double attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSFloatAttributeType
Specifies a float attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSStringAttributeType
Specifies an nsstring attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSBooleanAttributeType
Specifies a boolean attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSDateAttributeType
Specifies an nsdate attribute.times are specified in gmt.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSBinaryDataAttributeType
Specifies an nsdata attribute.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSTransformableAttributeType
Specifies an attribute that uses a value transformer.available in ios 3.0 and later.declared in nsattributedescription.h.
- NSObjectIDAttributeType
Specifies the object id attribute.available in ios 3.0 and later.declared in nsattributedescription.h.