/// <summary>
/// Serialises the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
public byte[] Serialise(IAirEntity item)
{
using (var stream = new MemoryStream())
{
ProtoBuf.Serializer.Serialize(stream, item);
return(stream.ToArray());
}
}
/// <summary>
/// AddAsync
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public async Task AddAsync(IAirEntity item)
{
await SetServerId(item);
var serialiser = Configuration.Serialisation.Get(item.GetType());
var data = serialiser.Serialise(item);
await Configuration.Storage.AddAsync(item.Id, data);
}
/// <summary>
/// SetServerId
/// </summary>
/// <param name="item"></param>
/// <returns>Returns on completion</returns>
private Task SetServerId(IAirEntity item)
{
// await Configuration.Storage.GetLockAsync(1);
// var node = await TryGetAsync<AirGraphNode>(1);
// item.Id = node.NextAvailableId++;
// await UpdateAsync(node);
// Configuration.Storage.ReleaseLockAsync(1);
item.Id = Configuration.IdFactory.GetNextId();
return(Task.Factory.StartNew(() => { }));
}
/// <summary>
/// Posts this instance.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
public async Task UpdateAsync(IAirEntity item)
{
if (item.Id == 0)
{
throw new ArgumentException("The item does not currently exist.");
}
var serialiser = Configuration.Serialisation.Get(item.GetType());
var data = serialiser.Serialise(item);
await Configuration.Storage.SetAsync(item.Id, data);
}
/// <summary>
/// Serialises the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
/// <exception cref="System.NotSupportedException"></exception>
public byte[] Serialise(IAirEntity item)
{
var stream = new MemoryStream();
using (var writer = new ProtoWriter(stream, null, null))
{
writer.SetRootObject(item);
int fieldNumber = 1;
ProtoWriter.WriteFieldHeader(fieldNumber, WireType.Fixed64, writer);
ProtoWriter.WriteInt64(item.Id, writer);
var props = item.GetType()
.GetProperties()
.Where(IsAirMember)
.OrderBy(GetAirMemberOrder);
foreach (var prop in props)
{
var value = prop.GetGetMethod().Invoke(item, new object[] { });
if (value is string)
{
ProtoWriter.WriteFieldHeader(++fieldNumber, WireType.String, writer);
ProtoWriter.WriteString(value as string, writer);
}
else if (value is long)
{
ProtoWriter.WriteFieldHeader(++fieldNumber, WireType.Fixed64, writer);
ProtoWriter.WriteInt64((long)value, writer);
}
else if (value is DateTime)
{
ProtoWriter.WriteFieldHeader(++fieldNumber, WireType.Fixed64, writer);
ProtoWriter.WriteInt64(((DateTime)value).Ticks, writer);
}
else
{
throw new NotSupportedException();
}
}
}
return(stream.ToArray());
}
