public void Update(int attributeId, Guid invocationId, DateTime time, long usn)
{
var existingEntry = this.InnerList.FirstOrDefault(item => item.AttributeId == attributeId);
if(existingEntry != null)
{
// This attribute is already contained in the list, so we just update it
existingEntry.Update(invocationId, time, usn);
}
else
{
// This is a newly added attribute
var newEntry = new AttributeMetadata(attributeId, invocationId, time, usn);
this.InnerList.Add(newEntry);
}
}
public AttributeMetadataCollection(byte[] buffer)
{
if(buffer == null)
{
this.Unknown = 1;
this.InnerList = new List<AttributeMetadata>();
return;
}
if(buffer.Length < 2 * sizeof(long))
{
throw new ArgumentOutOfRangeException("buffer");
}
using(Stream stream = new MemoryStream(buffer))
{
using(BinaryReader reader = new BinaryReader(stream))
{
this.Unknown = reader.ReadInt64();
long numEntries = reader.ReadInt64();
long expectedBufferSize = CalculateBinarySize(numEntries);
Validator.AssertLength(buffer, expectedBufferSize, "buffer");
this.InnerList = new List<AttributeMetadata>((int) numEntries);
for(int i = 1; i <= numEntries; i++)
{
int attributeId = reader.ReadInt32();
int version = reader.ReadInt32();
long timestamp = reader.ReadInt64();
Guid originatingDSA = new Guid(reader.ReadBytes(16));
long originatingUSN = reader.ReadInt64();
long localUSN = reader.ReadInt64();
var entry = new AttributeMetadata(attributeId, version, timestamp, originatingDSA, originatingUSN, localUSN);
this.InnerList.Add(entry);
}
}
}
}
