private static long IncrementIdentity(NodeReference node)
{
var identityValue = node.GetObject(IdentityValueSubscriptName);
var identitySeed = identityValue == null ? 0 : Convert.ToInt64(identityValue);
node.Set(++identitySeed, IdentityValueSubscriptName);
return(identitySeed);
}
private static object ReadComplexNode(NodeReference node, Type objectType)
{
var isNullable = EntityTypeDescriptor.IsNullableType(objectType);
if (isNullable && IsNullableComplexColumnEmpty(node))
{
return(null);
}
var underlyingType = !isNullable
? objectType
: Nullable.GetUnderlyingType(objectType);
var typeDescription = EntityTypeDescriptor.GetTypeDescription(underlyingType);
var instance = InstanceCreator.CreateInstance(underlyingType);
foreach (var column in typeDescription.Columns)
{
var subscript = column.ColumnAttribute.Name ?? column.ColumnInfo.Name;
if (column.IsSimpleColumn)
{
node.AppendSubscript(subscript);
var nodeValue = node.GetObject();
column.ColumnInfo.SetValue(instance, ConvertValue(nodeValue, column.ColumnInfo.PropertyType), null);
}
else if (column.IsArrayColumn)
{
node.AppendSubscript(subscript);
column.ColumnInfo.SetValue(instance, ReadArray(node, column.ColumnInfo.PropertyType), null);
}
else if (column.IsEnumerableColumn)
{
node.AppendSubscript(subscript);
column.ColumnInfo.SetValue(instance, ReadEnumerable(node, column.ColumnInfo.PropertyType), null);
}
else if (column.IsComplexColumn)
{
node.AppendSubscript(subscript);
column.ColumnInfo.SetValue(instance,
ReadComplexNode(node, column.ColumnInfo.PropertyType), null);
}
node.SetSubscriptCount(node.GetSubscriptCount() - 1);
}
return(instance);
}
static void GetData(NodeReference node)
{
Object value = node.GetObject();
if (value is string)
{
if ((node.GetSubscriptCount() == 1) || (node.GetSubscriptCount() == 2))
{
Console.WriteLine(value.ToString());
}
else if (node.GetSubscriptCount() == 5)
{
ValueList outList = node.GetList();
outList.ResetToFirst();
for (int i = 0; i < outList.Length - 1; i++)
{
Console.Write(outList.GetNextObject() + ", ");
}
Console.WriteLine(outList.GetNextObject());
outList.Close();
}
else if (node.GetSubscriptCount() == 4)
{
string tempString = Encoding.GetEncoding(1251).GetString(node.GetBytes());
Console.WriteLine(tempString);
}
}
else if (value is double)
{
Console.WriteLine(value.ToString());
}
else if (value is int)
{
Console.WriteLine(value.ToString());
}
}
internal static object ReadNode(NodeReference node, Type elementType)
{
object instance;
if (EntityTypeDescriptor.IsSimpleType(elementType) || EntityTypeDescriptor.IsSimpleNullableType(elementType))
{
var nodeValue = node.GetObject();
instance = ConvertValue(nodeValue, elementType);
}
else if (EntityTypeDescriptor.IsArrayType(elementType))
{
instance = ReadArray(node, elementType);
}
else if (EntityTypeDescriptor.IsSupportedEnumerable(elementType))
{
instance = ReadEnumerable(node, elementType);
}
else
{
instance = ReadComplexNode(node, elementType);
}
return(instance);
}