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openmct/platform/entanglement/README.md
larkin 9123078293 [Entanglement] Add entanglement bundle 
The entanglement bundle defines move, copy, and link actions, and
exposes them as context menu actions.

* The Move action moves an object from it's current parent to a new
parent object.
* The Copy action deep-copies an object to a new parent object.
* The Link action links an object to a new parent object.

These actions are implemented by three new services: moveService,
copyService, and linkService.

Mocks are provided for each service for easy testing of components
that depend on them.

Additionally, this bundle provides a DomainObjectFactory that simplifies
the construction of mockDomainObjects for tests.

These actions are exposed to the user as context menu options.
2015-06-11 13:09:01 -07:00

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Entanglement

Entanglement is the process of moving, copying, and linking domain objects in such a way that their relationships are impossible to discern.

This bundle provides move, copy, and link functionality. Acheiving a state of entanglement is left up to the end user.

Services implement logic

Each method (move, copy, link) is implemented as a service, and each service provides two functions: validate and perform.

validate(object, parentCandidate) returns true if the object can be move/copy/linked into the parentCandidate's composition.

perform(object, parentObject) move/copy/links the object into the parentObject's composition.

Actions implement user interactions

Actions are used to expose move/copy/link to the user. They prompt for input where necessary, and complete the actions.