December 2017
Intermediate to advanced
468 pages
13h 12m
English
book
Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Content preview from Architectural Patterns
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Messaging metadata pattern
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Problem |
Services generally work in a stateless fashion. That is, they do not store any state data in order to facilitate the next course of action. As the message is the intermediary in order to empower different and distributed services to interact together towards accomplishing business transactions and operations, they need to have or carry all the state data (metadata). |
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Solution |
The content encapsulated within the message envelope, therefore, has to be supplemented with activity-specific metadata that can be interpreted and processed separately at runtime. |
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Impacts |
The interpretation and processing of messaging metadata adds to runtime performance overhead and increases service activity design ... |
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