JAXB MBean Wrapper for WS-Management CIM Interoperability
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Solution Overview
Problem
There is a need for a method to utilize Java Management Extensions (JMX) MBeans to implement Web Services Management (WS-Management) Common Information Model (CIM) resources in a way that allows exposed MBeans to follow a standard XML schema defined externally to the Java platform, enabling effective monitoring and control of system resources across complex distributed systems.
Innovation Solution
The method involves generating Java API for XML Binding (JAXB)-serializable Java beans to create an MBean that wraps system resources from non-Java models, allowing for the serialization of these resources in XML and mapping JMX notifications to WS events, thereby enabling the exposure of system resources conforming to external XML schemas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If JMX MBeans are used to manage system resources, then monitoring and control capabilities are improved, but interoperability with non-Java management models is limited
Solution Approach 1:
The patent introduces JAXB beans as an intermediary layer between JMX MBeans and WS-Management CIM resources. The MBean wraps a JAXB bean, which in turn represents the external management resource. This intermediary structure allows JMX to manage resources while maintaining compatibility with external XML schemas through the JAXB binding layer.
Solution Approach 2:
The MBean is designed to serve multiple functions: it acts as a JMX manageable resource, wraps a JAXB bean for XML serialization, and represents an external management resource. This multi-functionality enables a single component to bridge different management paradigms (JMX, JAXB, WS-Management) without requiring separate implementation for each.
2Adaptability or versatility
If external XML schemas are followed for MBean exposure, then interoperability is improved, but control over serialization is lost
Solution Approach 1:
The JAXB bean automatically handles XML serialization based on the external schema through JAXB annotations and bindings. The MBean leverages this self-service capability of JAXB to maintain schema compliance without manual intervention, while the MBean itself retains control over the wrapped bean instance and its lifecycle.
3Manufacturing precision
If JAXB beans are generated from XML schemas, then schema compliance is improved, but integration with JMX requires additional wrapping complexity
Solution Approach 1:
The architecture implements a nested structure where the MBean (JMX component) wraps the JAXB bean (XML binding component), which in turn represents the external management resource. This nesting allows each layer to maintain its own functionality while integrating with the outer layer, reducing the need for complex cross-layer coordination.
Data Source
AI summary
An approach is provided in embodiments of the present invention for utilizing Java™ Management Extensions (JMX) as a back end to “instrument” (i.e. monitor and control) computer system resources, including servers, devices, and applications etc., within standard resource management model(s) that are external to Java™. For example, JMX can be used as a back end to instrument WS-Management resources—in particular, JMX MBeans can be used to implement Common Information Model (CIM) WS-Management resources.