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Interrupt Flow

UML Activity diagram showing control flow being transferred from an Activity to an Exception Handler via an Interrupt Flow.


The Interrupt Flow is a connection used to define the two UML concepts of connectors for Exception Handler and Interruptible Activity Region. An Interrupt Flow is a type of activity edge. It is typically used in an Activity diagram, modeling an active transition.

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Interrupt Flow connector

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OMG UML Specification:

The OMG UML specification (UML Superstructure Specification, v2.1.1, p.327) states:

'An activity edge is an abstract class for directed connections between two activity nodes.'