public override bool Matches(IAttributeAware attributeAware)
{
if (attributeAware == null)
{
return(false);
}
IComparable comparableAttribute = attributeAware.GetValueOf(Attribute);
if (comparableAttribute == null)
{
return(false);
}
int compareResult = comparableAttribute.CompareTo(Comparable);
switch (Relation)
{
case AttributeRelation.EQUALS:
return(compareResult == 0);
case AttributeRelation.NOT_EQUALS:
return(compareResult != 0);
case AttributeRelation.BIGGER:
return(compareResult > 0);
case AttributeRelation.BIGGER_EQUALS:
return(compareResult >= 0);
case AttributeRelation.SMALLER:
return(compareResult < 0);
case AttributeRelation.SMALLER_EQUALS:
return(compareResult <= 0);
default:
throw new ArgumentException("Unknown relation '" + Relation + "'!");
}
}
public abstract bool Matches(IAttributeAware attributeAware);
