Sun Microsystems, Inc.

Chung V Le

Robert N Goldberg

Gloria Y Lam

A query object generator tool is used to generate interface definitions and source code which implement a database query object. The tool allows a client to construct a query object without being familiar with the underlying database language and without being concerned with programming details such as concurrency problems and connection management. The tool consists of an internal state object which represents the query object, including information which can be saved to reconstruct the query object at a later date, and code generator objects which generate the code required to implement the query object defined by the internal state object. In a preferred embodiment, the code generator objects are arranged in a hierarchy so that a generator object can be instantiated which generator object is specific to the database to be accessed and the language to which the implementation is targeted. An optional graphic user interface (GUI) may also be provided to allow a user to interact with the tool.

System and method for generating code for query object interfacing

A system and a process for providing improved interfacing to a data source storing a plurality of data using query objects are described. The data source includes a schema describing organization of the data within the data source and an interface defined in a query language. A set of data manipulations are encapsulated in the query object and implemented in the query language. Each such encapsulated data manipulation conforms to the schema of the data source. A connection is handled via the interface between the query object and the data source. At least one such encapsulated data manipulation is performed on the data source in response to a request from a client. A resultant set of the data received in response to the at least one such data manipulation from the data source is processed. The resultant set of the data is provided as pre-determined data types to the client.

Growing community of inventors

San Jose, CA, United States of America

Chung V Le