public Node(GKOComponent component, GKOAttribute attribute)
{
if (component == null)
{
throw new ArgumentNullException("The component must be set!");
}
if (attribute != null && !component.AttributeValues.ContainsKey(attribute))
{
throw new InvalidOperationException("The component does not have this attribute!");
}
this.Component = component;
this.Attribute = attribute;
}
public Node(GKOComponent component)
: this(component, null)
{
}
/// <summary>
/// Checks whether an item should be added to the carthesian product when generating a configuration constraints
/// <para>If the component of the new item matches the component of old ones the configuration constraint is ivalid</para>
/// <para>EXCEPT: When the ComponentFilter generating the newItem actually specifies that it should be the same component as a previous one.
/// In this case only equal components are returned as true</para>
/// </summary>
/// <param name="currTuple">The current relation tuple</param>
/// <param name="newItem">The new item to add to the tuple</param>
/// <returns></returns>
private bool CheckNewRelationPart(List <IRelationPart> currTuple, IRelationPart newItem, Log log)
{
ComponentDomainRelationPart itemDomRelCompPart = this.DomainRelationParts[currTuple.Count] as ComponentDomainRelationPart;
AttributeDomainRelationPart itemDomRelAttrPart = this.DomainRelationParts[currTuple.Count] as AttributeDomainRelationPart;
// If it is not component or attribute relation part there are no constraints
if (itemDomRelCompPart == null && itemDomRelAttrPart == null)
{
return(true);
}
else
{
int?samePartNr = null;
// Finds whether the component part is equal to another component
if (itemDomRelCompPart != null)
{
samePartNr = itemDomRelCompPart.Filter.SameAsDomainRelationPartNr;
}
else if (itemDomRelAttrPart != null)
{
samePartNr = itemDomRelAttrPart.Filter.SameAsDomainRelationPartNr;
}
// If the component part should equal to other component - it (the component) is found and checked if it matches the current one
if (samePartNr.HasValue)
{
if (currTuple.Count < samePartNr.Value || samePartNr.Value < 1)
{
log.AddItem(LogType.Warning, string.Format("The 'component same as filter' has wrong value({0} when the maximum is {1}) for domain constraint {2}. A configuration constraint cannot be generated.", samePartNr.Value, currTuple.Count, this.Name));
return(false);
}
else
{
ComponentRelationPart equalCompPart = currTuple[samePartNr.Value - 1] as ComponentRelationPart;
AttributeRelationPart equalAttrPart = currTuple[samePartNr.Value - 1] as AttributeRelationPart;
if (equalCompPart == null && equalAttrPart == null)
{
log.AddItem(LogType.Warning, string.Format("The 'component same as filter' points to relation part with no component included (i.e. metric part) for domain constraint {0}. A configuration constraint cannot be generated.", this.Name));
return(false);
}
else
{
ComponentRelationPart newItemCompPart = newItem as ComponentRelationPart;
AttributeRelationPart newItemAttrPart = newItem as AttributeRelationPart;
if (newItemCompPart == null && newItemAttrPart == null)
{
log.AddItem(LogType.Warning, string.Format("The 'component same as filter' points to relation part with no component included for domain constraint {0}. A configuration constraint cannot be generated.", this.Name));
return(false);
}
else
{
GKOComponent componentToComapre = null;
// The component from the new relation part is extracted
if (newItemCompPart != null)
{
componentToComapre = newItemCompPart.Component;
}
else if (newItemAttrPart != null)
{
componentToComapre = newItemAttrPart.Component;
}
// And finally the new component is compared with the one from the relation part it should match
if (equalCompPart != null)
{
return(equalCompPart.Component.Id == componentToComapre.Id);
}
else if (equalAttrPart != null)
{
return(equalAttrPart.Component.Id == componentToComapre.Id);
}
// this should not be reached
return(false);
}
}
}
}
else
{
// If the value is not set to match other component then specificly exclude matching the same components
return(!currTuple.Any(x =>
((x is ComponentRelationPart) && (x as ComponentRelationPart).Equals(newItem)) ||
((x is AttributeRelationPart) && (x as AttributeRelationPart).Equals(newItem))
));
}
}
}
