Message Endpoint Activation via Universal Interface

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Solution Overview

Problem

Conventional client/server systems impose limitations on the types of components that can act as message endpoints, are inefficient in establishing messaging subscriptions, and fail to utilize existing resource adapters and message endpoints effectively.

Innovation Solution

A system and method for message endpoint activation that identifies active resource adapters, supports arbitrary message listener types, and establishes message subscriptions without requiring message-driven Java beans, using a versatile activation interface to enable various message endpoints and efficient resource management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional client/server systems use message-driven enterprise Java beans (MDB) as message endpoints, then the system maintains architectural consistency and reliability, but the system limits the types of components that can act as listening devices and reduces adaptability

Engineering Contradiction:

Improvearchitectural consistencyVSAvoidcomponent type flexibility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent implements a universal message endpoint interface that can handle multiple message types and protocols through a single unified architecture. The message endpoint is designed to work with arbitrary components including but not limited to MDBs, session beans, and custom listeners, allowing the system to maintain reliability while accepting diverse component types through a standardized interface layer

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If conventional systems establish message subscriptions with strict compatibility checks, then message routing accuracy is improved, but the subscription establishment process becomes inefficient and time-consuming

Engineering Contradiction:

Improvemessage routing accuracyVSAvoidsubscription establishment efficiency

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The system performs preliminary compatibility verification during resource adapter registration rather than during each message subscription establishment. Compatibility information is pre-computed and stored, allowing rapid subscription creation without repeated compatibility checks, thus improving efficiency while maintaining routing accuracy

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent introduces an activation interface as an intermediary layer between message providers and resource adapters. This interface handles compatibility matching and subscription establishment, separating the complex compatibility verification logic from the subscription process itself, thereby improving both accuracy and efficiency

Inventive Principle:

Principle #24Intermediary (Mediator)

3Stability of the object's composition

If conventional systems do not actively discover existing resource adapters, then system stability is maintained, but existing adapters are not utilized and resource utilization efficiency decreases

Engineering Contradiction:

Improvesystem stabilityVSAvoidresource utilization efficiency

Core Design Contradiction:

Stability of the object's compositionVSProductivity

Solution Approach 1:

The system implements self-service discovery where resource adapters automatically register themselves with the activation interface upon initialization. The activation interface actively queries for available adapters and their supported message types, enabling the system to automatically utilize existing resources without manual configuration while maintaining system stability through standardized registration protocols

Inventive Principle:

Principle #25Self-service

4Reliability

If conventional systems require specific message endpoint types, then message handling reliability is improved, but device complexity increases due to multiple component types and compatibility negotiations

Engineering Contradiction:

Improvemessage handling reliabilityVSAvoidcomponent type diversity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent creates a universal message endpoint architecture that can handle multiple message types and protocols through a single unified interface. This eliminates the need for multiple specialized endpoint components while maintaining reliability through consistent handling logic, thereby reducing device complexity without sacrificing message handling reliability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS7509429B2Message endpoint activation

Publication Date: 2009.03.24 SAP SE

AI summary

Systems and methods for message endpoint activation are disclosed. Under an embodiment of the invention, a method includes identifying an active resource adapter for a server; identifying a message listener type that is supported by the active computer resource adapter; establishing a message subscription to provide messages from a message provider to a server component, a subscription request from the server component comprising the active resource adapter and the supported message listener type; and transferring messages from the message provider to a message listener component for the server component utilizing the active resource adapter.