public RelationLinkType TryAddField(SingleRelationFieldMapping relateMapping)
{
var last = items[items.Count - 1];
if (!Equals(relateMapping.MasterMapping, last.DataMapping))
{
throw new LightDataException(string.Format(SR.RelationFieldError, relateMapping.MasterMapping.ObjectType, relateMapping.FieldName));
}
var keys = relateMapping.GetKeyPairs();
if (keys.Length != keyCount)
{
return(RelationLinkType.NoMatch);
}
var masters = new string[keyCount];
var relates = new string[keyCount];
for (var i = 0; i < keyCount; i++)
{
masters[i] = keys[i].MasterKey;
relates[i] = keys[i].RelateKey;
}
if (!IsMatch(last.Keys, masters))
{
return(RelationLinkType.NoMatch);
}
PrevFieldPath = LastFieldPath;
LastFieldPath = $"{last.CurrentFieldPath}.{relateMapping.FieldName}";
var len = items.Count - 1;
for (var i = 0; i < len; i++)
{
var item = items[i];
if (Equals(relateMapping.RelateMapping, item.DataMapping))
{
if (IsMatch(item.Keys, relates))
{
CycleFieldPath = item.CurrentFieldPath;
return(RelationLinkType.Cycle);
}
throw new LightDataException(string.Format(SR.RelationFieldKeyNotMatch, relateMapping.MasterMapping.ObjectType, relateMapping.FieldName));
}
}
var relateItem = new RelationItem
{
DataMapping = relateMapping.RelateMapping,
FieldMapping = relateMapping,
PrevFieldPath = PrevFieldPath,
CurrentFieldPath = LastFieldPath,
Keys = relates
};
items.Add(relateItem);
return(RelationLinkType.AddLink);
}
public RelationLinkType TryAddField(SingleRelationFieldMapping relateMapping)
{
RelationItem last = items[items.Count - 1];
if (!Object.Equals(relateMapping.MasterMapping, last.DataMapping))
{
throw new LightDataException(string.Format(SR.RelationFieldError, relateMapping.MasterMapping.ObjectType, relateMapping.FieldName));
}
RelationKey[] keys = relateMapping.GetKeyPairs();
if (keys.Length != keyCount)
{
return(RelationLinkType.NoMatch);
}
string[] masters = new string[this.keyCount];
string[] relates = new string[this.keyCount];
for (int i = 0; i < this.keyCount; i++)
{
masters[i] = keys[i].MasterKey;
relates[i] = keys[i].RelateKey;
}
if (!IsMatch(last.Keys, masters))
{
return(RelationLinkType.NoMatch);
}
prevFieldPath = lastFieldPath;
lastFieldPath = string.Format("{0}.{1}", last.CurrentFieldPath, relateMapping.FieldName);
int len = items.Count - 1;
for (int i = 0; i < len; i++)
{
RelationItem item = items[i];
if (Object.Equals(relateMapping.RelateMapping, item.DataMapping))
{
if (IsMatch(item.Keys, relates))
{
cycleFieldPath = item.CurrentFieldPath;
return(RelationLinkType.Cycle);
}
else
{
throw new LightDataException(string.Format(SR.RelationFieldKeyNotMatch, relateMapping.MasterMapping.ObjectType, relateMapping.FieldName));
}
}
}
RelationItem relateItem = new RelationItem()
{
DataMapping = relateMapping.RelateMapping,
FieldMapping = relateMapping,
PrevFieldPath = prevFieldPath,
CurrentFieldPath = lastFieldPath,
Keys = relates
};
items.Add(relateItem);
return(RelationLinkType.AddLink);
}
public RelationLink(SingleRelationFieldMapping rootRelationMapping, string fieldPath)
{
if (rootRelationMapping == null)
{
throw new ArgumentNullException(nameof(rootRelationMapping));
}
//this.rootRelationMapping = rootRelationMapping;
var keys = rootRelationMapping.GetKeyPairs();
keyCount = keys.Length;
var masters = new string[keyCount];
var relates = new string[keyCount];
for (var i = 0; i < keyCount; i++)
{
masters[i] = keys[i].MasterKey;
relates[i] = keys[i].RelateKey;
}
LastFieldPath = $"{fieldPath}.{rootRelationMapping.FieldName}";
PrevFieldPath = fieldPath;
var masterItem = new RelationItem
{
DataMapping = rootRelationMapping.MasterMapping,
FieldMapping = null,
//PrevFieldPath = prevFieldPath,
CurrentFieldPath = PrevFieldPath,
Keys = masters
};
var relateItem = new RelationItem
{
DataMapping = rootRelationMapping.RelateMapping,
FieldMapping = rootRelationMapping,
PrevFieldPath = PrevFieldPath,
CurrentFieldPath = LastFieldPath,
Keys = relates
};
items.Add(masterItem);
items.Add(relateItem);
}
public RelationLink(SingleRelationFieldMapping rootRelationMapping, string fieldPath)
{
if (rootRelationMapping == null)
{
throw new ArgumentNullException(nameof(rootRelationMapping));
}
//this.rootRelationMapping = rootRelationMapping;
RelationKey[] keys = rootRelationMapping.GetKeyPairs();
this.keyCount = keys.Length;
string[] masters = new string[this.keyCount];
string[] relates = new string[this.keyCount];
for (int i = 0; i < this.keyCount; i++)
{
masters[i] = keys[i].MasterKey;
relates[i] = keys[i].RelateKey;
}
lastFieldPath = string.Format("{0}.{1}", fieldPath, rootRelationMapping.FieldName);
prevFieldPath = fieldPath;
RelationItem masterItem = new RelationItem()
{
DataMapping = rootRelationMapping.MasterMapping,
FieldMapping = null,
//PrevFieldPath = prevFieldPath,
CurrentFieldPath = prevFieldPath,
Keys = masters
};
RelationItem relateItem = new RelationItem()
{
DataMapping = rootRelationMapping.RelateMapping,
FieldMapping = rootRelationMapping,
PrevFieldPath = prevFieldPath,
CurrentFieldPath = lastFieldPath,
Keys = relates
};
items.Add(masterItem);
items.Add(relateItem);
}