internal static IEnumerable <T> Expand <T>(byte[] data, string entityName, Func <T> objectBuilder) where T : PropertyBase
{
using (MemoryStream stream = new MemoryStream(data))
{
while (stream.Position < stream.Length)
{
long startPosition = stream.Position;
int propertyId = (int)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(int));
SqlPropertyDefinition propertyDefinition = MessageTraceCollapsedProperty.GetCollapsedPropertyById(entityName, propertyId);
T property = objectBuilder();
property.PropertyName = propertyDefinition.PropertyName;
switch (propertyDefinition.Type)
{
case SqlPropertyTypes.Int:
property.PropertyValueInteger = new int?((int)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(int)));
break;
case SqlPropertyTypes.String:
property.PropertyValueString = (string)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(string));
break;
case SqlPropertyTypes.DateTime:
property.PropertyValueDatetime = new DateTime?((DateTime)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(DateTime)));
break;
case SqlPropertyTypes.Decimal:
property.PropertyValueDecimal = new decimal?((decimal)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(decimal)));
break;
case SqlPropertyTypes.Blob:
property.PropertyValueBlob = new BlobType((string)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(string)));
break;
case SqlPropertyTypes.Boolean:
property.PropertyValueBit = new bool?((bool)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(bool)));
break;
case SqlPropertyTypes.Guid:
property.PropertyValueGuid = (Guid)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(Guid));
break;
case SqlPropertyTypes.Long:
property.PropertyValueLong = new long?((long)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(long)));
break;
default:
throw new InvalidOperationException(string.Format("Property type {0} is not supported for MessageTraceCollapsedProperty.", propertyDefinition.Type));
}
yield return(property);
if (stream.Position <= startPosition)
{
throw new InvalidOperationException("Unable to expand. Stream position is not moving forward.");
}
}
}
yield break;
}
private static object ReadPrimitiveValueFromStream(Stream stream, Type typeOfvalue)
{
if (typeOfvalue == typeof(long))
{
return(BitConverter.ToInt64(MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream), 0));
}
if (typeOfvalue == typeof(int))
{
return(BitConverter.ToInt32(MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream), 0));
}
if (typeOfvalue == typeof(Guid))
{
return(new Guid(MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream)));
}
if (typeOfvalue == typeof(string))
{
byte b = MessageTraceCollapsedProperty.ReadSingleByteFromStream(stream);
switch (b)
{
case 2:
return(Encoding.ASCII.GetString(MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream)));
case 3:
return(Encoding.Unicode.GetString(MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream)));
default:
throw new InvalidOperationException(string.Format("Unable to deserialize string from stream. Unknown string serialization algorithm {0}.", b));
}
}
else
{
if (typeOfvalue == typeof(DateTime))
{
return(DateTime.FromBinary((long)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(long))));
}
if (MessageTraceCollapsedProperty.PrimitiveValueFromByteArrayConvertor.ContainsKey(typeOfvalue))
{
return(MessageTraceCollapsedProperty.PrimitiveValueFromByteArrayConvertor[typeOfvalue](MessageTraceCollapsedProperty.ReadByteArrayFromStream(stream)));
}
if (typeOfvalue.IsEnum)
{
return(Enum.ToObject(typeOfvalue, (int)MessageTraceCollapsedProperty.ReadPrimitiveValueFromStream(stream, typeof(int))));
}
return(null);
}
}
