Class: NSAtomicStoreCacheNode

Inherits:
NSObject show all

Overview

NSAtomicStoreCacheNode is a concrete class to represent basic nodes in a Core Data atomic store.

Instance Method Summary (collapse)

Methods inherited from NSObject

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Constructor Details

This class inherits a constructor from NSObject

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class NSObject

Instance Method Details

- (Object) initWithObjectID(moid)

Returns a cache node for the given managed object ID.

Parameters:

Returns:

  • (Object)

    A cache node for the given managed object ID, or nil if the node could not be initialized.

- (NSManagedObjectID) objectID

Returns the managed object ID for the receiver.

Returns:

- (Hash) propertyCache

Returns the property cache dictionary for the receiver. This dictionary is used by valueForKey: and setValue:forKey: for property values. The default implementation returns nil unless the companion -setPropertyCache: method is invoked, or setValue:forKey: is invoked on the cache node with non-nil property values.

Returns:

  • (Hash)

    The property cache dictionary for the receiver.

- (Object) setPropertyCache(propertyCache)

Sets the property cache dictionary for the receiver.

Parameters:

  • propertyCache (Hash)

    The property cache dictionary for the receiver.

Returns:

- (Object) setValue(value, forKey:key)

Sets the value for the given key. The default implementation forwards the request to the propertyCache dictionary if key matches a property name of the entity for this cache node. If key does not represent a property, the standard setValue:forKey: implementation is used.

Parameters:

  • value (Object)

    The value for the property identified by key.

  • key (String)

    The name of a property.

Returns:

- (Object) valueForKey(key)

Returns the value for a given key. The default implementation forwards the request to the propertyCache dictionary if key matches a property name of the entity for the cache node. If key does not represent a property, the standard valueForKey: implementation is used.

Parameters:

  • key (String)

    The name of a property.

Returns:

  • (Object)

    The value for the property named key. For an attribute, the return value is an instance of an attribute type supported by Core Data (see NSAttributeDescription); for a to-one relationship, the return value must be another cache node instance; for a to-many relationship, the return value must be an collection of the related cache nodes.