Property
--------

This is the base class for Properties


.. table:: **Property**

	+------------------------------------------------------+------+------------+-------------+
	| Name                                                 | Type | Attributes | Description |
	+======================================================+======+============+=============+
	| This type does not define any additional attributes.                                   |
	+------------------------------------------------------+------+------------+-------------+


The **Property** current version is 1.0.0.

Changelog:

* **1.0.0**: First Version.


PropagationConstraint
---------------------

This class provides propagation constraint for Relation


.. table:: **PropagationConstraint** ``extends`` **Property**

	+--------+--------+-----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| Name   | Type   | Attributes                                                                                          | Description                                                                                                                                                                                                                                                                            |
	+========+========+=====================================================================================================+========================================================================================================================================================================================================================================================================================+
	| remove | String | ``Mandatory:true`` ``ReadOnly:false`` ``NotNull:true`` ``Regex:^(cascadeWhenOrphan|cascade|keep)$`` | It indicates the behaviour to implement for the target Entity when a 'remove' action is performed on the source Resource. Remove actions are: (i) the operation of removing an instance from a context; (ii) the operation of deleting an instance (it has an impact on all contexts). |
	+--------+--------+-----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| add    | String | ``Mandatory:true`` ``ReadOnly:false`` ``NotNull:true`` ``Regex:^(propagate|unpropagate)$``          | It indicates the behaviour to implement for the target Entity when an 'add' action is performed on the source Resource. Add action is the operation of adding an instance to a context.                                                                                                |
	+--------+--------+-----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+


The **PropagationConstraint** current version is 1.0.0.

Changelog:

* **1.0.0**: First Version.


Encrypted
---------

This is the base class for Encrypted values


.. table:: **Encrypted** ``extends`` **Property**

	+-------+--------+--------------------------------------------------------+-------------+
	| Name  | Type   | Attributes                                             | Description |
	+=======+========+========================================================+=============+
	| value | String | ``Mandatory:true`` ``ReadOnly:false`` ``NotNull:true`` |             |
	+-------+--------+--------------------------------------------------------+-------------+


The **Encrypted** current version is 1.0.0.

Changelog:

* **1.0.0**: First Version.


Header
------

This class provides metadata per every IdentifiableElement


.. table:: **Header** ``extends`` **Property**

	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| Name           | Type   | Attributes                                                                                                                                         | Description                                                                                                                                                                                         |
	+================+========+====================================================================================================================================================+=====================================================================================================================================================================================================+
	| creationTime   | Date   | ``Mandatory:true`` ``ReadOnly:true`` ``NotNull:true``                                                                                              | Creation time. It represents the difference, measured in milliseconds, between the creation time and midnight, January 1, 1970, UTC.                                                                |
	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| lastUpdateTime | Date   | ``Mandatory:true`` ``ReadOnly:false`` ``NotNull:true``                                                                                             | Last Update time. At creation time it assumes the same value of creationTime. It represents the difference, measured in milliseconds, between the creation time and midnight, January 1, 1970, UTC. |
	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| createdBy      | String | ``Mandatory:true`` ``ReadOnly:true`` ``NotNull:true``                                                                                              | The user that created the Entity or the Relation. It is initialized at creation time.                                                                                                               |
	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| uuid           | String | ``Mandatory:true`` ``ReadOnly:true`` ``NotNull:true`` ``Regex:^([a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}){1}$`` | This UUID is be used to identify the Entity or the Relation univocally.                                                                                                                             |
	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| lastUpdateBy   | String | ``Mandatory:true`` ``ReadOnly:false`` ``NotNull:true``                                                                                             | The user that made the last update to the Entity or the Relation. At creation time, it assumes the same value of creator.                                                                           |
	+----------------+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+


The **Header** current version is 1.0.0.

Changelog:

* **1.0.0**: First Version.