IfcTelecomAddress

Semantic definitions at the entity

Entity definition

This entity represents an address to which telephone, electronic mail and other forms of telecommunications should be addressed.

HISTORY New entity in IFC2x.

IFC4 CHANGE Added attribute MessagingIDs. Type of attribute WWWHomePageURL compatibly changed from IfcLabel to IfcURIReference.

Attribute definitions

#	Attribute	Type	Cardinality	Description	C
4	TelephoneNumbers	IfcLabel	L[1:?]	The list of telephone numbers at which telephone messages may be received.	X
5	FacsimileNumbers	IfcLabel	L[1:?]	The list of fax numbers at which fax messages may be received.	X
6	PagerNumber	IfcLabel	[0:1]	The pager number at which paging messages may be received.	X
7	ElectronicMailAddresses	IfcLabel	L[1:?]	The list of Email addresses at which Email messages may be received.	X
8	WWWHomePageURL	IfcURIReference	[0:1]	The world wide web address at which the preliminary page of information for the person or organization can be located. NOTE Information on the world wide web for a person or organization may be separated into a number of pages and across a number of host sites, all of which may be linked together. It is assumed that all such information may be referenced from a single page that is termed the home page for that person or organization.	X
9	MessagingIDs	IfcURIReference	L[1:?]	IDs or addresses for any other means of telecommunication, for example instant messaging, voice-over-IP, or file transfer protocols. The communication protocol is indicated by the URI value with scheme designations such as irc:, sip:, or ftp:.	X

Formal Propositions

Rule	Description
MinimumDataProvided	Requires that at least one attribute of telephone numbers, facsimile numbers, pager number, electronic mail addresses, world wide web home page URL, or messaging ID is asserted. It is not acceptable to have a telecommunications address without at least one of these values.

Inherited definitions from supertypes

Entity inheritance

Attribute inheritance

#	Attribute	Type	Cardinality	Description	C
IfcAddress
1	Purpose	IfcAddressTypeEnum	[0:1]	Identifies the logical location of the address.	X
2	Description	IfcText	[0:1]	Text that relates the nature of the address.	X
3	UserDefinedPurpose	IfcLabel	[0:1]	Allows for specification of user specific purpose of the address beyond the enumeration values provided by Purpose attribute of type IfcAddressTypeEnum. When a value is provided for attribute UserDefinedPurpose, in parallel the attribute Purpose shall have enumeration value USERDEFINED.	X
	OfPerson	IfcPerson @Addresses	S[0:?]	The inverse relationship to Person to whom address is associated.	X
	OfOrganization	IfcOrganization @Addresses	S[0:?]	The inverse relationship to Organization to whom address is associated.	X
IfcTelecomAddress
4	TelephoneNumbers	IfcLabel	L[1:?]	The list of telephone numbers at which telephone messages may be received.	X
5	FacsimileNumbers	IfcLabel	L[1:?]	The list of fax numbers at which fax messages may be received.	X
6	PagerNumber	IfcLabel	[0:1]	The pager number at which paging messages may be received.	X
7	ElectronicMailAddresses	IfcLabel	L[1:?]	The list of Email addresses at which Email messages may be received.	X
8	WWWHomePageURL	IfcURIReference	[0:1]	The world wide web address at which the preliminary page of information for the person or organization can be located. NOTE Information on the world wide web for a person or organization may be separated into a number of pages and across a number of host sites, all of which may be linked together. It is assumed that all such information may be referenced from a single page that is termed the home page for that person or organization.	X
9	MessagingIDs	IfcURIReference	L[1:?]	IDs or addresses for any other means of telecommunication, for example instant messaging, voice-over-IP, or file transfer protocols. The communication protocol is indicated by the URI value with scheme designations such as irc:, sip:, or ftp:.	X

Formal representations

XSD Specification

 <xs:element name="IfcTelecomAddress" type="ifc:IfcTelecomAddress" substitutionGroup="ifc:IfcAddress" nillable="true"/>

 <xs:complexType name="IfcTelecomAddress">

  <xs:complexContent>

   <xs:extension base="ifc:IfcAddress">

    <xs:attribute name="TelephoneNumbers" use="optional">

     <xs:simpleType>

      <xs:restriction>

       <xs:simpleType>

        <xs:list itemType="ifc:IfcLabel"/>

       </xs:simpleType>

      </xs:restriction>

     </xs:simpleType>

    </xs:attribute>

    <xs:attribute name="FacsimileNumbers" use="optional">

     <xs:simpleType>

      <xs:restriction>

       <xs:simpleType>

        <xs:list itemType="ifc:IfcLabel"/>

       </xs:simpleType>

      </xs:restriction>

     </xs:simpleType>

    </xs:attribute>

    <xs:attribute name="PagerNumber" type="ifc:IfcLabel" use="optional"/>

    <xs:attribute name="ElectronicMailAddresses" use="optional">

     <xs:simpleType>

      <xs:restriction>

       <xs:simpleType>

        <xs:list itemType="ifc:IfcLabel"/>

       </xs:simpleType>

      </xs:restriction>

     </xs:simpleType>

    </xs:attribute>

    <xs:attribute name="WWWHomePageURL" type="ifc:IfcURIReference" use="optional"/>

    <xs:attribute name="MessagingIDs" use="optional">

     <xs:simpleType>

      <xs:restriction>

       <xs:simpleType>

        <xs:list itemType="ifc:IfcURIReference"/>

       </xs:simpleType>

      </xs:restriction>

     </xs:simpleType>

    </xs:attribute>

   </xs:extension>

  </xs:complexContent>

 </xs:complexType>

EXPRESS Specification


ENTITY IfcTelecomAddress

 SUBTYPE OF (IfcAddress);

  TelephoneNumbers : OPTIONAL LIST [1:?] OF IfcLabel;

  FacsimileNumbers : OPTIONAL LIST [1:?] OF IfcLabel;

  PagerNumber : OPTIONAL IfcLabel;

  ElectronicMailAddresses : OPTIONAL LIST [1:?] OF IfcLabel;

  WWWHomePageURL : OPTIONAL IfcURIReference;

  MessagingIDs : OPTIONAL LIST [1:?] OF IfcURIReference;

 WHERE

  MinimumDataProvided : EXISTS (TelephoneNumbers) OR
EXISTS (FacsimileNumbers) OR 
EXISTS (PagerNumber) OR
EXISTS (ElectronicMailAddresses) OR 
EXISTS (WWWHomePageURL) OR
EXISTS (MessagingIDs);
END_ENTITY;

 EXPRESS-G diagram

Item	Change	Description
IFC2x3 to IFC4
IfcTelecomAddress
WWWHomePageURL	MODIFIED	Type changed from IfcLabel to IfcURIReference.
MessagingIDs	ADDED

	Adresse - Telekommunikationsangaben
	Telecom Address
	Adresse électronique