internal override ThreeValuedLogic Evaluate(Strategy strategy)
{
object value = strategy.GetCompositeRole(this.roleType.RelationType);
if (value == null)
{
return(ThreeValuedLogic.False);
}
object equalsValue = this.equals;
if (this.equals is IRoleType)
{
var equalsRole = (IRoleType)this.equals;
equalsValue = strategy.GetCompositeRole(equalsRole.RelationType);
}
if (equalsValue == null)
{
return(ThreeValuedLogic.False);
}
return(value.Equals(equalsValue)
? ThreeValuedLogic.True
: ThreeValuedLogic.False);
}
internal override ThreeValuedLogic Evaluate(Strategy strategy)
{
IObject roleStrategy = strategy.GetCompositeRole(this.roleType.RelationType);
if (roleStrategy == null)
{
return(ThreeValuedLogic.False);
}
return(this.containingExtent.Contains(roleStrategy)
? ThreeValuedLogic.True
: ThreeValuedLogic.False);
}
internal override ThreeValuedLogic Evaluate(Strategy strategy)
{
var containing = new HashSet <IObject>(this.containingEnumerable);
var roleStrategy = strategy.GetCompositeRole(this.roleType.RelationType);
if (roleStrategy == null)
{
return(ThreeValuedLogic.False);
}
return(containing.Contains(roleStrategy)
? ThreeValuedLogic.True
: ThreeValuedLogic.False);
}
internal override ThreeValuedLogic Evaluate(Strategy strategy)
{
var role = strategy.GetCompositeRole(this.roleType.RelationType);
if (role == null)
{
return(ThreeValuedLogic.False);
}
// TODO: Optimize
var roleObjectType = role.Strategy.Class;
if (roleObjectType.Equals(this.objectType))
{
return(ThreeValuedLogic.True);
}
var @interface = this.objectType as IInterface;
return((@interface != null && roleObjectType.ExistSupertype(@interface))
? ThreeValuedLogic.True
: ThreeValuedLogic.False);
}