The COR Pattern Puts Your J2EE Development on the Fast Track
Find out how the "Chain Of Responsibility" pattern can rein in your beans and facades to meet evolving business requirements. Route client requests transparently to EJB server components without hardwiring client/server interactions or worrying about low-level plumbing issues.
by Lara D'Abreo
March 1, 2004
he Chain of Responsibility (COR) pattern is a behavioral pattern for decoupling requests from request handlers. It transparently routes requests to the appropriate handler and can (depending on the dispatching semantics) give multiple handlers an opportunity to handle the request. New handlers may be quickly and easily added to provide increased functionality.
For growing J2EE projects, this pattern can accelerate development by:
streamlining the introduction of new services
centralizing transaction or security concerns
minimizing plumbing overheads
reducing the number of Session Beans
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he Chain of Responsibility (COR) pattern is a behavioral pattern for decoupling requests from request handlers. It transparently routes requests to the appropriate handler and can (depending on the dispatching semantics) give multiple handlers an opportunity to handle the request. New handlers may be quickly and easily added to provide increased functionality.
