Sun Microsystems, Inc.

Oracle America, Inc.

Ryan C Shoemaker

Kohsuke Kawaguchi

Robert Bissett

Mark Roth

Kyle T Grucci

Ryan S O'Connell

Joseph M Fialli

Hair towel

A Java code directive automatically defines the fields declaring methods in delegation objects such that the compiler generates the corresponding delegation signatures and/or headers. The configurations define a predetermined sequence, or annotation, of compiler interpreted instructions to identify a class as a delegation class from an invoking object, and generate the required signature, or header in the invoking object. The resulting signature satisfies the compiler restriction to implement each method in the delegation class. Particular methods for which a specific implementation is desired may then be superceded or supplemented by specific coded instructions in the invoking object. In this manner, a developer need not manually code the implementation, or signature (so-called 'boilerplate code), for each method in a delegated object (class).

Automated object delegation

A binding framework including a binder operable to associate and synchronize particular document objects with corresponding content objects performs unmarshalling to create the content objects from the XML documents. The content objects, which may in particular configurations be JAXB content objects, provide an alternate view to the XML data contained in the underlying XML documents. Java (i.e. user) applications then modify, or update the content objects via the alternate view, and rewrite, or update, the corresponding XML document during a marshalling process (i.e. writing the data from Java back into XML). The binding framework maintains the associations such that bound content objects are modifiable and may update the corresponding XML data in a non-destructive manner which avoids overwriting or 'clobbering' other preexisting data contained in the XML document object during marshalling. The synchronizer employs the associations to maintain runtime consistency between the XML, or DOM view and the Java, or JAXB view.

System and method for maintaining alternate object views

In a programmed computer system, normal processing results generated by a called method are returned to one or more calling methods by an exception rather than by the more conventional single-type return value. The programmer is granted flexibility through the ability to use multiple normal return types while retaining strong data typing. Better programming practices are promoted through the use of a single exception-technique for handling normal results as well as abnormal (i.e. error) results. The disclosed technique can be used with existing programming languages/environments such as the Java&#xae; language, and can provide a basis for new languages/environments that are specifically tailored to this processing technique.

Methods and apparatus for exception-based programming

System and method for proxying isomorphic interfaces in different subsystems. Embodiments may provide a proxy mechanism that may generate proxies for isomorphic interfaces at runtime. Embodiments may allow two mutually indifferent subsystems to communicate with each other in a straightforward, transparent manner via proxies, without requiring a common shared library or complex coding. Embodiments of the proxy mechanism transparently generate proxies for isomorphic interfaces between subsystems in a virtual machine. In one embodiment, the application developer registers the interfaces that require proxying. The proxy mechanism then generates proxy instances. Methods may then be invoked, and the proxies handle the details of converting and forwarding the calls in accordance with the appropriate interface. Other subsystems, using different versions of the interface, may use the proxy mechanism to dynamically generate proxies without requiring extensive coding or shared libraries, and without interfering with other subsystems within the virtual machine.

Growing community of inventors

Acton, MA, United States of America

Ryan C Shoemaker