Class Constraint
A constraint is a condition or restriction expressed in natural language text or in a machine readable language for the purpose of declaring some of the semantics of an element.
[XmlNamespace("http://www.omg.org/spec/MOF/20131001/cmof.xmi")]
[XmlNamespacePrefix("cmof")]
[ModelRepresentationClass("http://www.omg.org/spec/MOF/20131001/cmof.xmi#//Constraint")]
public class Constraint : PackageableElement, IConstraint, IPackageableElement, INamedElement, IElement, IObject, IModelElement, INotifyPropertyChanged, INotifyPropertyChanging
- Inheritance
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Constraint
- Implements
- Inherited Members
Constructors
Constraint()
Creates a new instance
public Constraint()
Properties
Children
Gets the child model elements of this model element
public override IEnumerableExpression<IModelElement> Children { get; }
Property Value
ClassInstance
Gets the Class model for this type
public static IClass ClassInstance { get; }
Property Value
ConstrainedElement
The ordered set of Elements referenced by this Constraint.
[XmlElementName("constrainedElement")]
[XmlAttribute(true)]
public IOrderedSetExpression<IElement> ConstrainedElement { get; }
Property Value
Context
Specifies the namespace that owns the NamedElement.
[Browsable(false)]
[XmlElementName("context")]
[XmlAttribute(true)]
[XmlOpposite("ownedRule")]
public INamespace Context { get; set; }
Property Value
ReferencedElements
Gets the referenced model elements of this model element
public override IEnumerableExpression<IModelElement> ReferencedElements { get; }
Property Value
Specification
A condition that must be true when evaluated in order for the constraint to be satisfied.
[Browsable(false)]
[XmlElementName("specification")]
[XmlAttribute(false)]
[Containment]
public IValueSpecification Specification { get; set; }
Property Value
Methods
Boolean_value(object, object)
The value specification for a constraint must evaluate to a Boolean value. true
public bool Boolean_value(object diagnostics, object context)
Parameters
diagnostics
objectThe chain of diagnostics to which problems are to be appended.
context
objectThe cache of context-specific information.
Returns
GetClass()
Gets the Class for this model element
public override IClass GetClass()
Returns
GetCollectionForFeature(string)
Gets the Model element collection for the given feature
protected override IList GetCollectionForFeature(string feature)
Parameters
feature
stringThe requested feature
Returns
- IList
A non-generic list of elements
GetExpressionForReference(string)
Gets the property expression for the given reference
protected override INotifyExpression<IModelElement> GetExpressionForReference(string reference)
Parameters
reference
stringThe requested reference in upper case
Returns
- INotifyExpression<IModelElement>
An incremental property expression
GetModelElementForReference(string, int)
Resolves the given URI to a child model element
protected override IModelElement GetModelElementForReference(string reference, int index)
Parameters
Returns
- IModelElement
The model element or null if it could not be found
GetRelativePathForNonIdentifiedChild(IModelElement)
Gets the relative URI fragment for the given child model element
protected override string GetRelativePathForNonIdentifiedChild(IModelElement element)
Parameters
element
IModelElementThe element that should be looked for
Returns
- string
A fragment of the relative URI
No_side_effects(object, object)
Evaluating the value specification for a constraint must not have side effects. true
public bool No_side_effects(object diagnostics, object context)
Parameters
diagnostics
objectThe chain of diagnostics to which problems are to be appended.
context
objectThe cache of context-specific information.
Returns
Not_apply_to_self(object, object)
A constraint cannot be applied to itself. not constrainedElement->includes(self)
public bool Not_apply_to_self(object diagnostics, object context)
Parameters
diagnostics
objectThe chain of diagnostics to which problems are to be appended.
context
objectThe cache of context-specific information.
Returns
OnParentChanged(IModelElement, IModelElement)
Gets called when the parent model element of the current model element changes
protected override void OnParentChanged(IModelElement newParent, IModelElement oldParent)
Parameters
newParent
IModelElementThe new parent model element
oldParent
IModelElementThe old parent model element
OnParentChanging(IModelElement, IModelElement)
Gets called when the parent model element of the current model element is about to change
protected override void OnParentChanging(IModelElement newParent, IModelElement oldParent)
Parameters
newParent
IModelElementThe new parent model element
oldParent
IModelElementThe old parent model element
SetFeature(string, object)
Sets a value to the given feature
protected override void SetFeature(string feature, object value)
Parameters
Value_specification_boolean(object, object)
The value specification for a constraint must evaluate to a Boolean value. self.specification().booleanValue().isOclKindOf(Boolean)
public bool Value_specification_boolean(object diagnostics, object context)
Parameters
diagnostics
objectThe chain of diagnostics to which problems are to be appended.
context
objectThe cache of context-specific information.