public Tuple(XmlElement elTuple)
{
XmlNodeList l = elTuple.GetElementsByTagName("field");
fields = new Field[l.Count];
for (int i = 0; i < l.Count; i++)
{
XmlElement elField = (XmlElement) l[i];
fields[i] = new Field(elField);
}
if (elTuple.HasAttribute("id"))
{
tupleID = new TupleID(elTuple.GetAttribute("id"));
}
if (elTuple.HasAttribute("creationTimestamp"))
{
creationTimestamp = long.Parse(elTuple.GetAttribute("creationTimestamp"));
}
if (elTuple.HasAttribute("lastModificationTimestamp"))
{
lastModificationTimestamp = long.Parse(elTuple.GetAttribute("lastModificationTimestamp"));
}
if (elTuple.HasAttribute("expiration"))
{
expiration = long.Parse(elTuple.GetAttribute("expiration"));
}
}
public bool Matches(Field field)
{
if (!Formal && !field.Formal)
{
return value == field.Value;
}
else
{
if (value != null)
{
if ((field.UpperBound != null) && (field.UpperBound.CompareTo(value) < 0))
{
return false;
}
if ((field.LowerBound != null) && (field.LowerBound.CompareTo(value) > 0))
{
return false;
}
return true;
}
else if (field.Value != null)
{
if ((upperBound != null) && (upperBound.CompareTo(field.Value) < 0))
{
return false;
}
if ((lowerBound != null) && (lowerBound.CompareTo(field.Value) > 0))
{
return false;
}
return true;
}
else
{
return type.Equals(field.GetType());
}
}
}
public static Field createWildCardField()
{
Field wcf = new Field();
wcf.fieldType = FieldType.WILDCARD;
wcf.type = null;
return wcf;
}
public Tuple(Field[] fields)
{
this.fields = fields;
}
public object Clone()
{
Field[] newFields = new Field[fields.Length];
for (int i = 0; i < fields.Length; i++)
{
newFields[i] = (Field)fields[i].Clone();
}
Tuple t = new Tuple(newFields);
t.Expiration = expiration;
return t;
}
public void Add(Object s)
{
Field[] newF = new Field[fields.Length + 1];
for (int i = 0; i < fields.Length; i++)
{
newF[i] = fields[i];
}
if (s.GetType().Equals(typeof(Type)))
{
newF[fields.Length] = new Field((Type) s);
}
else if (s.GetType().Equals(typeof(Field)))
{
newF[fields.Length] = (Field)s;
}
else
{
newF[fields.Length] = new Field(s);
}
fields = newF;
}
