Apparatus and method for policy-driven business process exception handling

a business process and exception handling technology, applied in the field of model-driven and qosaware infrastructure, can solve the problems of large amount of effort in the development of a business process, increased probability of deviation situations, and increased complexity of exception handling logic, so as to simplify the development of business processes

Inactive Publication Date: 2005-12-01
IBM CORP
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  • Claims
  • Application Information

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Benefits of technology

[0006] It is therefore an object of the present invention to provide a novel policy-driven approac

Problems solved by technology

A critical and time-consuming part of modeling any business process is the detection and handling of exceptions that may occur during process execution.
Unfortunately experiences show (see Chris Peltz, “Web Services Orchestration: a review of emerging technologies, tools and standards”, Technical Report, Hewle

Method used

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  • Apparatus and method for policy-driven business process exception handling
  • Apparatus and method for policy-driven business process exception handling
  • Apparatus and method for policy-driven business process exception handling

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Embodiment Construction

[0030] We begin by briefly describing the main concepts of the service composition model we use in this disclosure. A composite Web service is an aggregation of multiple other elementary and composite Web services, which interact with each other according to a process model. We choose to specify the process model of a business process as a statechart which is a platform independent modeling tool, as shown in FIG. 1. The choice of statecharts for specifying business process is motivated by two main reasons: (i) statecharts have a well-defined semantics; and (ii) they offer the basic flow constructs found in contemporary process modelling languages (i.e., sequence, conditional branching, structured loops, concurrent threads, and inter-thread synchronization). It should be noted that exception management techniques developed in the context of statecharts, can be adapted to other process modeling languages (e.g., BPEL4WS, WSCI, BPML).

[0031] A basic state of a statechart describing a bu...

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Abstract

A model-driven and QoS-aware infrastructure facilitates the scalable composition of Web services in highly dynamic environments. An exception management framework supports two modes of exception management for business processes, providing a novel policy-driven approach to exception management implemented in the system infrastructure. Exception management is implemented in the system infrastructure, with exception handling policies supplied by individual business processes. Using the exception management framework, developers define exception policies in a declarative manner. Before a business process is executed, the service composition middleware integrates the exception policies with normal business logic to generate a complete process schema. This policy driven-approach can significantly reduce the development time of business processes through its separation of the development of the business logic and the exception handling policies.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention generally relates to a model-driven and QoS-aware infrastructure for facilitating the scalable composition of Web services in highly dynamic environments and, more particularly, to an exception management framework which supports two modes of exception management for business processes, providing a novel policy-driven approach to exception management implemented in the system infrastructure. [0003] 2. Background Description [0004] Process-based composition of Web services has recently gained significant momentum in the implementation of business processes. A critical and time-consuming part of modeling any business process is the detection and handling of exceptions that may occur during process execution. The Web services paradigm promises to take across-network application interactions one step further by enabling programmatic access to applications over the Web. Recently, process-based compo...

Claims

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Application Information

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IPC IPC(8): G06Q10/00
CPCG06Q10/10G06Q10/06395G06Q10/067G06Q10/06375
Inventor JENG, JUN-JANGLEI, HUIZENG, LIANGZHAOCHANG, HUNG-YANGKUMARAN, SANTHOSHCHUNG, JEN-YAO
Owner IBM CORP
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