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View Page HistoryThe Notification module of EasyVIPER provides a publisher role to the workflow engine, based on WS-Notification and subscribe/notify mechanism. This allows to subscribe on particular events related to a workflow, and to retrieve functional and non functional information (service latency, which branch of the workflow is executed, service invokation failure, ...).
The Notification module of EasyVIPER provides a publisher role to the workflow engine, based on WS-Notification and subscribe/notify mechanism. This allows to subscribe on particular events related to a workflow, and to retrieve functional and non functional information (service latency, which branch of the workflow is executed, service invocation failure, ...).
SCA intents mechanism is used in order to implementation notification production into EasyVIPER. The subscription provokes notification intents positioning on workflow nodes. These particular intents are able to marshal and send nodes information.
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EasyBPEL/EasyVIPER mechanism to manage monitoring and adaptation of workflows.
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SCA intents mechanism is used in order to implementation notification production into EasyVIPER. The subscription provokes notification intents positioning on workflow nodes. These particular intents are able to marshal and send nodes information.
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!archi_easyviper.png|border=1!
EasyBPEL/EasyVIPER mechanism to manage monitoring and adaptation of workflows.
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The notifications operations are
* subscribe,
* subscribe,
...
* unsubscribe. The subscriber wants to launch notifications reception about {{ActivityChanged}} topic for the workflow exposing the processEndpoint workflow.
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EasyBPEL/EasyVIPER mechanism to manage monitoring and adaptation of workflows.
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!archi_easyviper.png|border=1!
EasyBPEL/EasyVIPER mechanism to manage monitoring and adaptation of workflows.
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To Subscribe response will be as the following message:
...