protected void FillRowWithObject(DataObject dataObject, DataRow row)
{
bool relation = false;
Type myType = dataObject.GetType();
row[dataObject.TableName + "_ID"] = dataObject.ObjectId;
MemberInfo[] myMembers = myType.GetMembers();
for (int i = 0; i < myMembers.Length; i++)
{
object[] myAttributes = GetRelationAttributes(myMembers[i]);
object val = null;
if (myAttributes.Length > 0)
{
relation = true;
}
else
{
myAttributes = myMembers[i].GetCustomAttributes(typeof(DataElement), true);
object[] keyAttrib = myMembers[i].GetCustomAttributes(typeof(PrimaryKey), true);
if (myAttributes.Length > 0 || keyAttrib.Length > 0)
{
if (myMembers[i] is PropertyInfo)
{
val = ((PropertyInfo)myMembers[i]).GetValue(dataObject, null);
}
if (myMembers[i] is FieldInfo)
{
val = ((FieldInfo)myMembers[i]).GetValue(dataObject);
}
if (val != null)
{
row[myMembers[i].Name] = val;
}
}
}
//}
}
if (relation)
{
SaveObjectRelations(dataObject);
}
}
protected DataRow FindRowByKey(DataObject dataObject)
{
DataRow row;
string tableName = dataObject.TableName;
DataTable table = GetDataSet(tableName).Tables[tableName];
Type myType = dataObject.GetType();
string key = table.PrimaryKey[0].ColumnName;
if (key.Equals(tableName + "_ID"))
{
row = table.Rows.Find(dataObject.ObjectId);
}
else
{
MemberInfo[] keymember = myType.GetMember(key);
object val = null;
if (keymember[0] is PropertyInfo)
{
val = ((PropertyInfo)keymember[0]).GetValue(dataObject, null);
}
if (keymember[0] is FieldInfo)
{
val = ((FieldInfo)keymember[0]).GetValue(dataObject);
}
if (val != null)
{
row = table.Rows.Find(val);
}
else
{
return(null);
}
}
return(row);
}
protected void FillLazyObjectRelations(DataObject dataObject, bool autoload)
{
try
{
var dataObjectType = dataObject.GetType();
MemberInfo[] myMembers;
if (!MemberInfoCache.TryGetValue(dataObjectType, out myMembers))
{
myMembers = dataObjectType.GetMembers();
MemberInfoCache[dataObjectType] = myMembers;
}
for (int i = 0; i < myMembers.Length; i++)
{
Relation[] myAttributes = GetRelationAttributes(myMembers[i]);
if (myAttributes.Length > 0)
{
Relation rel = myAttributes[0];
if ((rel.AutoLoad == false) && autoload)
{
continue;
}
bool isArray = false;
Type remoteType;
DataObject[] elements;
string local = rel.LocalField;
string remote = rel.RemoteField;
if (myMembers[i] is PropertyInfo)
{
remoteType = ((PropertyInfo)myMembers[i]).PropertyType;
}
else
{
remoteType = ((FieldInfo)myMembers[i]).FieldType;
}
if (remoteType.HasElementType)
{
remoteType = remoteType.GetElementType();
isArray = true;
}
PropertyInfo prop = dataObjectType.GetProperty(local);
FieldInfo field = dataObjectType.GetField(local);
object val = 0;
if (prop != null)
{
val = prop.GetValue(dataObject, null);
}
if (field != null)
{
val = field.GetValue(dataObject);
}
if (val != null && val.ToString() != string.Empty)
{
if (DataObject.GetPreCachedFlag(remoteType))
{
elements = new DataObject[1];
elements[0] = FindObjectByKeyImpl(remoteType, val);
}
else
{
elements = SelectObjectsImpl(remoteType, remote + " = '" + Escape(val.ToString()) + "'", Transaction.IsolationLevel.DEFAULT);
}
if ((elements != null) && (elements.Length > 0))
{
if (isArray)
{
if (myMembers[i] is PropertyInfo)
{
((PropertyInfo)myMembers[i]).SetValue(dataObject, elements, null);
}
if (myMembers[i] is FieldInfo)
{
var currentField = (FieldInfo)myMembers[i];
ConstructorInfo constructor;
if (!ConstructorByFieldType.TryGetValue(currentField.FieldType, out constructor))
{
constructor = currentField.FieldType.GetConstructor(new[] { typeof(int) });
ConstructorByFieldType[currentField.FieldType] = constructor;
}
object elementHolder = constructor.Invoke(new object[] { elements.Length });
var elementArray = (object[])elementHolder;
for (int m = 0; m < elementArray.Length; m++)
{
elementArray[m] = elements[m];
}
currentField.SetValue(dataObject, elementArray);
}
}
else
{
if (myMembers[i] is PropertyInfo)
{
((PropertyInfo)myMembers[i]).SetValue(dataObject, elements[0], null);
}
if (myMembers[i] is FieldInfo)
{
((FieldInfo)myMembers[i]).SetValue(dataObject, elements[0]);
}
}
}
}
}
}
}
catch (Exception e)
{
throw new DatabaseException("Resolving Relations for " + dataObject.TableName + " failed!", e);
}
}
protected void DeleteObjectRelations(DataObject dataObject)
{
try
{
object val;
Type myType = dataObject.GetType();
MemberInfo[] myMembers = myType.GetMembers();
for (int i = 0; i < myMembers.Length; i++)
{
Relation[] myAttributes = GetRelationAttributes(myMembers[i]);
if (myAttributes.Length > 0)
{
//if(myAttributes[0] is Attributes.Relation)
//{
if (myAttributes[0].AutoDelete == false)
{
continue;
}
bool array = false;
Type type;
if (myMembers[i] is PropertyInfo)
{
type = ((PropertyInfo)myMembers[i]).PropertyType;
}
else
{
type = ((FieldInfo)myMembers[i]).FieldType;
}
if (type.HasElementType)
{
type = type.GetElementType();
array = true;
}
val = null;
if (array)
{
if (myMembers[i] is PropertyInfo)
{
val = ((PropertyInfo)myMembers[i]).GetValue(dataObject, null);
}
if (myMembers[i] is FieldInfo)
{
val = ((FieldInfo)myMembers[i]).GetValue(dataObject);
}
if (val is Array)
{
var a = val as Array;
foreach (object o in a)
{
if (o is DataObject)
{
DeleteObject(o as DataObject);
}
}
}
else
{
if (val is DataObject)
{
DeleteObject(val as DataObject);
}
}
}
else
{
if (myMembers[i] is PropertyInfo)
{
val = ((PropertyInfo)myMembers[i]).GetValue(dataObject, null);
}
if (myMembers[i] is FieldInfo)
{
val = ((FieldInfo)myMembers[i]).GetValue(dataObject);
}
if (val != null && val is DataObject)
{
DeleteObject(val as DataObject);
}
}
//}
}
}
}
catch (Exception e)
{
throw new DatabaseException("Resolving Relations failed !", e);
}
}