ISO/IEC INTERNATIONAL STANDARD 15476-3 First edition 2006-01-01 Information technology CDIF semantic metamodel - Part 3: Data definitions Technologies de I'information -Metamodele sémantique CDIF- Partie 3: Definition de données Reference number ISO/IEC 15476-3:2006(E) IEC ISO @ ISO/IEC 2006 ISO/IEC15476-3:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. Adobe is atrademarkof AdobeSystems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In ?ISO/IEC2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ISO/IEC2006-Allrightsreserved ISO/IEC 15476-3:2006(E) Contents 1 Scope 2 Conformance. 2.1 General 2.2 Input conformance.... 2.3 Output conformance.. 2.4 Round-tripconformance 3 Normative references 4 Terms and definitions. 4.1 From other International Standards .. 4.1.1 ISO/IEC 15474-... 4.1.2 4.1.3 For this International Standard ... 5 Symbols (and abbreviated terms)... 5.1 Naming, diagramming and definition conventions. 5.2 6 Data definition subject area overview 6.1 Introduction. 6.2 DataTyping 6.3 The General Structuring Mechanism. 6.3.1 Introduction 6.3.2 Meta-entitiesand Meta-relationships 6.3.3 DefinitionObject and ComponentObject 6.4 Alternate Decompositions..... 6.5 Pointers and Arrays 6.6 Data Types.. 10 6.7 Constraining Data Type and Attribute Values . .11 6.8 Units for Numeric DataTypes ... 6.9 Void and Unknown Data Types. 13 6.10 Computable Languages . 13 6.11 Formats for Computable Values . 13 6.12 Diagrams... 16 7 Data definitions subject area summary.. .21 7.1 AttributableMetaObject classification hierarchy 7.2 MetaEntity summary.. 7.3 MetaRelationship summary... 37 8 Data definitions subject area specification... 39 8.1 Introduction. 39 8.1.1 Subject area definition.. .39 8.2 Meta-entity definitions .. .39 8.2.1 AggregateDataType .39 8.2.2 ApproximateNumericType. .40 8.2.3 ArrayQualifier... 8.2.4 Attribute 8.2.5 .42 8.2.6 BinaryCodedDecimalType. ..43 8.2.7 BinaryType 43 8.2.8 BooleanType .44 8.2.9 BoundedArrayQualifier. .44 8.2.10 CartesianComplexType. .45 @ ISO/IEC 2006 - All rights reserved ili ISO/IEC 15476-3:2006(E) 8.2.11 ComplexType .46 8.2.12 DataType .47 8.2.13 DateType. .48 8.2.14 DayTimelntervalType 8.2.15 DefinitionObject... 8.2.16 EnumerationType..... 8.2.17 ExactNumericType.... 8.2.18 FixedDecimalType. 8.2.19 FixedLengthBinaryType 8.2.20 FixedLengthStringType. .54 8.2.21 IntegerType... .55 8.2.22 MagnitudeType.. .55 8.2.23 MoneyType 8.2.24 NLFixedLengthStringType .57 8.2.25 NLVariableLengthStringType 8.2.26 8.2.27 PackedDecimalType 8.2.28 PointerQualifier... 8.2.29 PolarComplexType. 8.2.30 QualifiedDataType.. 8.2.31 Qualifier 62 8.2.32 RefinedDataType. .63 8.2.33 SerialType. .63 8.2.34 StringType 8.2.35 TemporalType .66 8.2.36 TimelntervaiType. .66 8.2.37 TimeStampType .67 8.2.38 8.2.39 UnboundedArrayQualifier 8.2.40 8.2.41 ValueDomain .... 8.2.42 ValueDomainEnumeration 8.2.43 ValueDomainGroup.. ..76 8.4.44 ValueDomainProcedure. 8.2.45 ValueDomainRange .78 8.2.46 ValueDomainRule.. .80 8.2.47 VariableLengthBinaryType. .81 8.2.48 VariableLengthStringType. .82 8.2.49 VoidType 8.2.50 YearMonthlntervalType 8.3 Meta-relationship definitions 7.3.1 ArrayQualifier.HasType.DataType .... 7.3.2 DataType.TakesValueFr