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h1. Features

The component SE Activiti provides two operational mode:
* integration mode, that exposes a service-based API of the engine Activiti. Several services are provided by the component to interact directly with the engine Activiti,
* service mode to implement your services using orchestrations and workflows.

h2. Integration mode

{color:red}*TODO*{color}

h2. Service mode

The mode "Service" of the SE Activiti permits to implement your services using orchestration and/or process capabilities of Activiti.

*Orchestration*

*Process & Orchestration*

The Activiti Service-Engine allows to run process or service orchestration.

Each configuration of this component embeds an Activiti process definition.
When such a configuration is deployed, a service with several operations is deployed providing following features:
* start a process instance of the process definition,
* complete the current task,
* retrieve process instances according to several criteria.

{tip}Available operations can be different from a version of the component to another version. See the user guide of the right version.{tip}

*Concurrency*

Several instance of the component can be deployed concurrently on Petals ESB. So, you are able to deploy each process definitions on several component instances to get high availability.

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