public void Begin()
{
try
{
readWriteTransaction.Begin();
}
finally
{
inTransaction = true;
}
}
private void StartElement(IfcPersistedInstanceCache cache, XmlReader input, XbimEntityCursor entityTable, XbimLazyDBTransaction transaction)
{
string elementName = input.LocalName;
bool isRefType;
int? id = GetId(input, out isRefType);
IfcType ifcType;
IfcParserType parserType;
IfcMetaProperty prop;
int propIndex;
if (id.HasValue && IsIfcEntity(elementName, out ifcType)) //we have an element which is an Ifc Entity
{
IPersistIfcEntity ent;
if (!cache.Contains(id.Value))
{
// not been declared in a ref yet
// model.New creates an instance uisng type and id
ent = cache.CreateNew(ifcType.Type, id.Value);
}
else
{
ent = cache.GetInstance(id.Value, false, true);
}
XmlEntity xmlEnt = new XmlEntity(_currentNode, ent);
//if we have a completely empty element that is not a ref we need to make sure it is written to the database as EndElement will not be called
if (input.IsEmptyElement && !isRefType)
{
_entitiesParsed++;
//now write the entity to the database
entityTable.AddEntity(xmlEnt.Entity);
if (_entitiesParsed % _transactionBatchSize == (_transactionBatchSize - 1))
{
transaction.Commit();
transaction.Begin();
}
}
string pos = input.GetAttribute(_posAttribute);
if (string.IsNullOrEmpty(pos))
{
pos = input.GetAttribute("pos"); //try without namespace
}
if (!string.IsNullOrEmpty(pos))
{
xmlEnt.Position = Convert.ToInt32(pos);
}
if (!input.IsEmptyElement)
{
// add the entity to its parent if its parent is a list
//if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
// ((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
_currentNode = xmlEnt;
}
else if (_currentNode is XmlProperty)
{
// if it is a ref then it will be empty element and wont have an end tag
// so nither SetValue nor EndElement will be called, so set the value of ref here e.g. #3
((XmlProperty)(_currentNode)).SetValue(ent);
}
else if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
}
}
else if (input.IsEmptyElement)
{
if (IsIfcProperty(elementName, out propIndex, out prop))
{
XmlProperty node = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex);;
PropertyValue propVal = new PropertyValue();
Type t = node.Property.PropertyType;
if (!typeof(ExpressEnumerable).IsAssignableFrom(t)) // if its a empty collection then dont do anything
{
if (t != null && t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable <>)))
{
t = Nullable.GetUnderlyingType(t);
}
ExpressType et = null;
if (t != null && typeof(ExpressType).IsAssignableFrom(t))
{
et = (ExpressType)(Activator.CreateInstance(t));
}
IfcParserType pt;
if (et != null)
{
pt = primitives[et.UnderlyingSystemType.Name];
}
else
{
if (t.IsEnum)
{
pt = IfcParserType.Enum;
}
else
{
pt = primitives[t.Name];
}
}
if (pt.ToString().ToLower() == "string")
{
propVal.Init("'" + input.Value + "'", pt);
}
else
{
if (pt.ToString().ToLower() == "boolean")
{
propVal.Init(Convert.ToBoolean(input.Value) ? ".T." : ".F", pt);
}
else
{
propVal.Init(input.Value, pt);
}
}
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
}
else if (IsIfcType(elementName, out ifcType))
{
IPersistIfc ent;
object[] param = new object[1];
param[0] = ""; // empty element
ent = (IPersistIfc)Activator.CreateInstance(ifcType.Type, param);
((XmlProperty)_currentNode).SetValue(ent);
}
return;
}
else if (!id.HasValue && IsIfcProperty(elementName, out propIndex, out prop)) //we have an element which is a property
{
string cType = input.GetAttribute(_cTypeAttribute);
if (string.IsNullOrEmpty(cType))
{
cType = input.GetAttribute("cType"); //in case namespace omitted
}
if (IsCollection(prop)) //the property is a collection
{
XmlCollectionProperty xmlColl = new XmlCollectionProperty(_currentNode, prop.PropertyInfo, propIndex);
switch (cType)
{
case "list":
xmlColl.CType = CollectionType.List;
break;
case "list-unique":
xmlColl.CType = CollectionType.ListUnique;
break;
case "set":
xmlColl.CType = CollectionType.Set;
break;
default:
xmlColl.CType = CollectionType.List;
break;
}
_currentNode = xmlColl;
}
else //it is a simple value property;
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(n);
}
if (!input.IsEmptyElement)
{
_currentNode = n;
}
}
}
else if (!id.HasValue && IsIfcType(elementName, out ifcType)) // we have an Ifc ExpressType
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlExpressType(_currentNode, ifcType.Type);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(n);
}
if (!input.IsEmptyElement)
{
_currentNode = n;
}
}
else if (!id.HasValue && IsPrimitiveType(elementName, out parserType)) // we have an basic type i.e. double, bool etc
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlBasicType(_currentNode, parserType);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(n);
}
if (!input.IsEmptyElement)
{
_currentNode = n;
}
}
else
{
throw new Exception("Illegal XML element tag");
}
}
private void StartElement(IfcPersistedInstanceCache cache, XmlReader input, XbimEntityCursor entityTable, XbimLazyDBTransaction transaction)
{
string elementName = input.LocalName;
bool isRefType;
int id = GetId(input, out isRefType);
IfcType ifcType;
IfcParserType parserType;
IfcMetaProperty prop;
int propIndex;
if (id > -1 && IsIfcEntity(elementName, out ifcType)) //we have an element which is an Ifc Entity
{
IPersistIfcEntity ent;
if (!cache.Contains(id))
{
// not been declared in a ref yet
// model.New creates an instance uisng type and id
ent = cache.CreateNew(ifcType.Type, id);
}
else
{
ent = cache.GetInstance(id, false, true);
}
XmlEntity xmlEnt = new XmlEntity(_currentNode, ent);
//if we have a completely empty element that is not a ref we need to make sure it is written to the database as EndElement will not be called
if (input.IsEmptyElement && !isRefType)
{
_entitiesParsed++;
//now write the entity to the database
entityTable.AddEntity(xmlEnt.Entity);
if (_entitiesParsed % _transactionBatchSize == (_transactionBatchSize - 1))
{
transaction.Commit();
transaction.Begin();
}
}
string pos = input.GetAttribute(_posAttribute);
if (string.IsNullOrEmpty(pos)) pos = input.GetAttribute("pos"); //try without namespace
if (!string.IsNullOrEmpty(pos))
xmlEnt.Position = Convert.ToInt32(pos);
if (!input.IsEmptyElement)
{
// add the entity to its parent if its parent is a list
//if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
// ((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
_currentNode = xmlEnt;
}
else if (_currentNode is XmlProperty)
{
// if it is a ref then it will be empty element and wont have an end tag
// so nither SetValue nor EndElement will be called, so set the value of ref here e.g. #3
((XmlProperty)(_currentNode)).SetValue(ent);
}
else if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
}
}
else if (input.IsEmptyElement)
{
if (IsIfcProperty(elementName, out propIndex, out prop))
{
XmlProperty node = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex); ;
PropertyValue propVal = new PropertyValue();
Type t = node.Property.PropertyType;
if (!typeof(ExpressEnumerable).IsAssignableFrom(t)) // if its a empty collection then dont do anything
{
if (t != null && t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
t = Nullable.GetUnderlyingType(t);
ExpressType et = null;
if (t != null && typeof(ExpressType).IsAssignableFrom(t))
et = (ExpressType)(Activator.CreateInstance(t));
IfcParserType pt;
if (et != null)
pt = primitives[et.UnderlyingSystemType.Name];
else
{
if (t.IsEnum)
{
pt = IfcParserType.Enum;
}
else
pt = primitives[t.Name];
}
if (pt.ToString().ToLower() == "string")
propVal.Init("'" + input.Value + "'", pt);
else
{
if (pt.ToString().ToLower() == "boolean")
propVal.Init(Convert.ToBoolean(input.Value) ? ".T." : ".F", pt);
else
propVal.Init(input.Value, pt);
}
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
}
else if (IsIfcType(elementName, out ifcType))
{
IPersistIfc ent;
object[] param = new object[1];
param[0] = ""; // empty element
ent = (IPersistIfc)Activator.CreateInstance(ifcType.Type, param);
((XmlProperty)_currentNode).SetValue(ent);
}
return;
}
else if (id == -1 && IsIfcProperty(elementName, out propIndex, out prop)) //we have an element which is a property
{
string cType = input.GetAttribute(_cTypeAttribute);
if (string.IsNullOrEmpty(cType)) cType = input.GetAttribute("cType"); //in case namespace omitted
if (IsCollection(prop)) //the property is a collection
{
XmlCollectionProperty xmlColl = new XmlCollectionProperty(_currentNode, prop.PropertyInfo, propIndex);
switch (cType)
{
case "list":
xmlColl.CType = CollectionType.List;
break;
case "list-unique":
xmlColl.CType = CollectionType.ListUnique;
break;
case "set":
xmlColl.CType = CollectionType.Set;
break;
default:
xmlColl.CType = CollectionType.List;
break;
}
_currentNode = xmlColl;
}
else //it is a simple value property;
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
}
else if (id == -1 && IsIfcType(elementName, out ifcType)) // we have an Ifc ExpressType
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlExpressType(_currentNode, ifcType.Type);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
else if (id == -1 && IsPrimitiveType(elementName, out parserType)) // we have an basic type i.e. double, bool etc
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlBasicType(_currentNode, parserType);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
else
throw new Exception("Illegal XML element tag");
}