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State
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Description
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Initial
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The start of a flow; that is, the first state.
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Final
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The end of a flow; that is, the last state. When a flow reaches this state, it stops.
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Operation
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When a flow reaches this state, the specified operation executes immediately, and then the flow transits to the next state.
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Condition
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In this state, the flow transits to the next state according to a rule and condition.
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User
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This state is an interactive step; that is, the client user gets the output of the current flow data (from the previous state), and then it submits the input data to the flow.
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Context type
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Description
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Application (root)
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Defines the data that is shared across the sessions. It is created when an application is started as the root.
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Session
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Defines the data that is shared under the session. It is created when a user logs on. It is chained under the application context, and it is destroyed when the user logs off.
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Flow
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Defines the data that is owned by the flow, and is shared under the flow. It is created when a user launches a new flow. It is chained under the session context, and it is destroyed when the flow stops.
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Operation
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Defines the data that is owned by the operation itself. It is created when a user executes an operation, and it is destroyed at the end of the operation.
If the operation is a child of a flow, the operation context is chained under the flow context.
If it is a standalone operation, it is chained under the session context.
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