OCL Operators one
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=== one ( expr : OclExpression ) : Boolean ===
=== one ( expr : OclExpression ) : Boolean ===
Returns true if there is only one element contained in ''self'' that validates the condition ''expr'', false otherwise.
Returns true if there is only one element contained in ''self'' that validates the condition ''expr'', false otherwise.

Revision as of 22:26, 16 June 2024

This page was created by Stephanie@mdriven.net on 2023-03-28. Last edited by Edgar on 2025-01-20.

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one ( expr : OclExpression ) : Boolean

Returns true if there is only one element contained in self that validates the condition expr, false otherwise.

Expression Result
Sequence{1.2, 2.3, 5.2, 0.9}->one(self < 1) true
Sequence{1.2, 2.3, 5.2, 0.9}->one(self < 2) false