Apple Inc.

Melissa Turner

Andreas W Wendker

Ronald Dennis Lue-Sang

Benjamin C Trumbull

Christopher M Hanson

Bill Bumgarner

Stephen E Miner

Francois M Jouaux

Karl Hsu

Ron D Lue-Sang

Ernest Kim

Dynamic management of multiple persistent data stores is disclosed. One or more data objects are retrieved from two or more of a plurality of persistent data stores and provided to the client context in a manner such that the one or more data objects appear to the client context to come from a single source, even if in fact the objects have been retrieved from two or more different persistent stores.

Dynamic management of multiple persistent data stores

An embodiment of the invention is directed to a method and apparatus for automatically providing network services in a way that improves upon the prior art. Systems implementing aspects of the invention can, for instance, provide developers with a mechanism for creating Web Services without having to write low-level SOAP, XML, or WSDL code. The system utilizes a rule-based approach to provide a mechanism for dynamically reconfiguring the system with requiring redeployment of the entire system.

Method and apparatus for automatically providing network services

Dynamic management of multiple persistent data stores is disclosed. One or more data objects are associated with a client context, e.g., an instance of a client application program. The one or more data objects are retrieved from one or more of a plurality of persistent data stores and provided to the client context in a manner such that the one or more data objects appear to the client context to come from a single source, even if in fact the objects have been retrieved from two or more different persistent stores.

Managing cross-store relationships to data objects is disclosed. Specifically, cross-store relationships to data objects stored in a potentially dynamically changing set of persistent data stores is provided through a relationship definition that identifies a type of object to which the relationship pertains and specifies a property to be used to determine, which, if any, objects of the identified type are to be included in the relationship; by determining dynamically which, if any, currently available objects of the identified type have the specified property; and making available from among the objects of the identified type available at that time, if any, those objects, if any, that have the specified property.

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San Jose, CA, United States of America

Melissa Turner