Difference between revisions of "Extensions.DataType.Enumeration"
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== Classification == | == Classification == | ||
{{ClassificationDataType | Enumeration | User-defined enumeration | [[Core.DataTypes.SimpleDataType|Simple Data Type]] | - }} | {{ClassificationDataType | Enumeration | User-defined enumeration | [[Core.DataTypes.SimpleDataType|Simple Data Type]] | - }} | ||
Revision as of 10:23, 24 November 2016
Classification
| Name | Enumeration |
| Short Description | User-defined enumeration |
| Class | Simple Data Type |
| Base Data Type | - |
| Default Value | Empty |
| Provide a Literal | No |
| SpecifiedBy | ISO 13209-3 |
| Standard Compliant | Yes |
Description
The Enumeration type of the OTX DataTypes extension allows the OTX authors to define their own customized enumerations. To define the structure of the Enumeration the EnumerationSignature is used. An Enumeration consists of a set of named constants called enumeration elements. Each enumeration element assigns a unique name to a unique IntergerLiteral, so that the name can be used as an EnumerationLiteral inside OTX instead of the integer value. The simple term of the enumerator value is its integer value. Thus, for relational terms, the integer values of the specific enumerator value are used.
Core Conversion
The following table shows the rules for conversion to another data type:
| Conversion | Result | Sample |
| ToBoolean | Undefined (should not be used) | |
| ToInteger | Returns the integer value of the enumeration term | Integer n = ToInteger(enumerationSignatureVariable); // Returns 12 (supposed the current enumeration element's value is 12) |
| ToFloat | Undefined (should not be used) | |
| ToString | Returns the name of current enumeration element | String s = ToString(enumerationSignatureVariable); // Returns "EnumerationElement1" |
| ToByteField | Undefined (should not be used) |
