BV.User Input.Touch Screen

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	BV	User Input.Touch Screen	Version:	0.1
	Document type:	Building Block Variant	Owner:	S.A.D. Jumelet

Variant Coordinates

Function icon Icon BBT User Input.png

This Building Block Variant...

... belongs to Working Area:	Client Realm (CR)
... is an implementation of Building Block Type:	User Input
... is intended for use in Environment:	Not specified

Description

Enables input of control information and data from an end-user.

Business purpose

This variant is used to accommodate User Workspaces where the screen (a variant of User Output) provides the User Input functionality at the same time.

Characteristics & indications of usage

Provides a control function to a user by means of (finger) touch based directions.
Provides a virtual keyboard, through which a user can enter data

Elements

When designing a facility to implement this function, inclusion of all the following elements is prescribed; either mandatory, optional or explicitly forbidden:

Element

Type

Prescribed

Rationale

Quality Requirements

When a facility is designed according to this architectural recipe, it must/will satisfy the following Quality Requirements. This is the responsibility of the infrastructure designer. Note that because of the specified Elements (either the mandatory Elements and any applied optional Elements), some of these Requirements might automatically be satisfied.

QA Group	Quality Attribute	Value
Flexibility	Adaptability	NS
Flexibility	Scalability	NS
Maintainability	Manageability	NS
Maintainability	Accountability	NS
Reliability	Availability	NS
Reliability	Integrity	NS

Used by pattern(s)

Below is shown which Pattern Variant(s) (if any) currently use this Building Block Variant:

Semantic query

Pattern Variant	Brief Description	Owner	Maturity
PAV.User Workspace.Tablet	User Workspace.Tablet	J.A.H. Schoonderbeek	2

Facility Implementation Blueprint(s)

Below is shown which Building Block Blueprint(s) (if any) have been created for this Building Block Variant:

No Solution Blueprint based on this Variant (yet)