===== Attribute Specification =====

  * {{hekate_case_cashpoint-att.hml|attribute specification}}

==== Types ====
^Name^Base^Domain^Scale^Ordered^Desc^
| tPin | numeric | [0; 9999] | 0 | yes | Represents the PIN numbers |
| tPinDifferene | numeric | [-9999; 9999] | 0 | yes | Represents all the possible results of two PIN numbers subtraction |
| tUserActions | symbolic | {withdraw; balance} | - | no | The set of actions that user can invoke |
| tCashPointActivities | symbolic | {askForPIN; payOut; takeCardAway; displayBalance; \\ msgNotEnoughFoundsInMachine; msgNotEnoughFoundsOnAccount;} | - | no | The set of actions that can be executed by cashpoint |
| tMoney | numeric | no constraints | 2 | yes | Represents the amount of money |
| tBool | symbolic | {false, true} | 0 | yes | The boolean values |
| tAttempts | numeric | [0; 3] | 0 | yes | The type that defines the number of attempts to enter a correct PIN |

==== Attributes ====
^Name^Class^Type^Comm^Callback^Abbrev^Desc^
| userRequestedAction | simple | tUserActions | input | - | userR | Indicates the action that user wants to execute |
| cashPointActivity | simple | tCashPointActivities | output | - | cashP | Indicates which action should be invoked by cashpoint |
| correctPin | simple | tPin | input | - | corre | Holds the PIN number that is stored on the card |
| enteredPin | simple | tPin | input | - | enter | Holds the PIN number that has been entered by the user |
| pinDifference | simple | tPin | input/output | - | pinDi | Holds the difference between //enteredPin// attribute value and //correctPin// attribute value |
| authorized | simple | tBool | input/output | - | autho | Indicates if the user has entered a correct PIN |
| failedAttempts| simple | tAttempts | input/output | - | faile | Holds the number of failed attemts to the entering of a PIN |
| desiredAmount | simple | tMoney | input | - | desir | Holds the amount of money, which user wants to withdraw |
| cashPointAmount | simple | tMoney | input | - | cash | The amount of money inside cashpoint |
| userAccountAmount | simple | tMoney | input | - | userA | The total balance of the user account |
| cdAmountDifference | simple | tMoney | input/output | - | cdAmo | Holds the difference between //cashPointAmount// attribute value and //desiredAmount// attribute value |
| udAmountDifference | simple | tMoney | input/output | - | udAmo | Holds the difference between //userAccountAmount// attribute value and //desiredAmount// attribute value |