public void Write(object e)
{
var typeId = GetOrCreateKnownType(e.GetType());
var typeWriter = _typeWriters[typeId];
if (typeWriter == null)
{
typeWriter = new TypeWriter(_folder + "\\" + e.GetType().FullName + "\\", e.GetType(), _customWriters);
_typeWriters[typeId] = typeWriter;
}
typeWriter.Write(e, writtenEventCount);
// Lastly, commit to records index
_recordsWriter.Write(typeId);
writtenEventCount++;
}
private Action <object> CreateWriter(PropertyInfo column, Dictionary <Type, Action <object, BinaryWriter> > customWriters)
{
// Note: haven't ported range compression, run length encoding, dictionary, variable length encoding etc..
// Bottle neck appears to be CPU rather than IO at this stage, and compression will worsen this.
if (customWriters.ContainsKey(column.PropertyType))
{
var writer = customWriters[column.PropertyType];
return(o => writer(column.GetValue(o), _columnWriter));
}
if (column.PropertyType == typeof(bool))
{
return(o => _columnWriter.Write((bool)column.GetValue(o)));
}
if (column.PropertyType == typeof(bool?))
{
return(o =>
{
var value = (bool?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(byte))
{
return(o => _columnWriter.Write((byte)column.GetValue(o)));
}
if (column.PropertyType == typeof(byte?))
{
return(o =>
{
var value = (byte?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(sbyte))
{
return(o => _columnWriter.Write((sbyte)column.GetValue(o)));
}
if (column.PropertyType == typeof(sbyte?))
{
return(o =>
{
var value = (sbyte?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(short))
{
return(o => _columnWriter.Write((short)column.GetValue(o)));
}
if (column.PropertyType == typeof(short?))
{
return(o =>
{
var value = (short?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(ushort))
{
return(o => _columnWriter.Write((ushort)column.GetValue(o)));
}
if (column.PropertyType == typeof(ushort?))
{
return(o =>
{
var value = (ushort?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(int))
{
return(o => _columnWriter.Write((int)column.GetValue(o)));
}
if (column.PropertyType == typeof(int?))
{
return(o =>
{
var value = (int?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(uint))
{
return(o => _columnWriter.Write((uint)column.GetValue(o)));
}
if (column.PropertyType == typeof(uint?))
{
return(o =>
{
var value = (uint?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(long))
{
return(o => _columnWriter.Write((long)column.GetValue(o)));
}
if (column.PropertyType == typeof(long?))
{
return(o =>
{
var value = (long?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(ulong))
{
return(o => _columnWriter.Write((ulong)column.GetValue(o)));
}
if (column.PropertyType == typeof(ulong?))
{
return(o =>
{
var value = (ulong?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(Guid))
{
return(o => _columnWriter.Write(((Guid)column.GetValue(o)).ToByteArray()));
}
if (column.PropertyType == typeof(Guid?))
{
return(o =>
{
var value = (Guid?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value.ToByteArray());
}
});
}
if (column.PropertyType == typeof(decimal))
{
return(o =>
{
var handle = GCHandle.Alloc((decimal)column.GetValue(o), GCHandleType.Pinned);
try
{
var bytes = new byte[16];
Marshal.Copy(handle.AddrOfPinnedObject(), bytes, 0, 16);
_columnWriter.Write(bytes);
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
});
}
if (column.PropertyType == typeof(decimal?))
{
return(o =>
{
var value = (decimal?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
var handle = GCHandle.Alloc(value.Value, GCHandleType.Pinned);
try
{
var bytes = new byte[16];
Marshal.Copy(handle.AddrOfPinnedObject(), bytes, 0, 16);
_columnWriter.Write(bytes);
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
}
});
}
if (column.PropertyType == typeof(double))
{
return(o => _columnWriter.Write((double)column.GetValue(o)));
}
if (column.PropertyType == typeof(double?))
{
return(o =>
{
var value = (double?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value);
}
});
}
if (column.PropertyType == typeof(DateTime))
{
return(o => _columnWriter.Write(((DateTime)column.GetValue(o)).Ticks));
}
if (column.PropertyType == typeof(DateTime?))
{
return(o =>
{
var value = (DateTime?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value.Ticks);
}
});
}
if (column.PropertyType == typeof(DateTimeOffset))
{
return(o =>
{
var value = (DateTimeOffset)column.GetValue(o);
_columnWriter.Write(value.Ticks);
_columnWriter.Write(value.TimeOfDay.Ticks);
});
}
if (column.PropertyType == typeof(DateTimeOffset?))
{
return(o =>
{
var value = (DateTimeOffset?)column.GetValue(o);
_columnWriter.Write(value.HasValue);
if (value.HasValue)
{
_columnWriter.Write(value.Value.Ticks);
}
if (value.HasValue)
{
_columnWriter.Write(value.Value.TimeOfDay.Ticks);
}
});
}
if (column.PropertyType.IsEnum)
{
var underlyingType = Enum.GetUnderlyingType(column.PropertyType);
if (underlyingType == typeof(byte))
{
return(o => _columnWriter.Write((byte)column.GetValue(o)));
}
if (underlyingType == typeof(short))
{
return(o => _columnWriter.Write((short)column.GetValue(o)));
}
if (underlyingType == typeof(int))
{
return(o => _columnWriter.Write((int)column.GetValue(o)));
}
throw new NotSupportedException("Unsupported underlying enum type: " + underlyingType.FullName);
}
if (Nullable.GetUnderlyingType(column.PropertyType)?.IsEnum == true)
{
var underlyingType = Enum.GetUnderlyingType(Nullable.GetUnderlyingType(column.PropertyType));
if (underlyingType == typeof(byte))
{
return o =>
{
var value = column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
_columnWriter.Write((byte)value);
}
}
}
;
if (underlyingType == typeof(short))
{
return o =>
{
var value = column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
_columnWriter.Write((short)value);
}
}
}
;
if (underlyingType == typeof(int))
{
return o =>
{
var value = column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
_columnWriter.Write((int)value);
}
}
}
;
}
if (column.PropertyType == typeof(string))
{
return(o => _columnWriter.Write((string)column.GetValue(o)));
}
if (column.PropertyType.IsArray)
{
var writer = new TypeWriter(_path + column.Name + ".", column.PropertyType.GetElementType(), customWriters);
return(o =>
{
var value = (Array)column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
_columnWriter.Write((ushort)value.Length);
for (var i = 0; i < value.Length; i++)
{
writer.Write(value.GetValue(i));
}
}
});
}
if (column.PropertyType.IsGenericType && ((column.PropertyType.GetGenericTypeDefinition() == typeof(List <>)) || (column.PropertyType.GetGenericTypeDefinition() == typeof(Collection <>))))
{
var writer = new TypeWriter(_path + column.Name + ".", column.PropertyType.GetGenericArguments().Single(), customWriters);
return(o =>
{
var value = (IList)column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
_columnWriter.Write((ushort)value.Count);
for (var i = 0; i < value.Count; i++)
{
writer.Write(value[i]);
}
}
});
}
if (!column.PropertyType.IsValueType)
{
var writer = new TypeWriter(_path + column.Name + ".", column.PropertyType, customWriters);
return(o =>
{
var value = column.GetValue(o);
_columnWriter.Write(value != null);
if (value != null)
{
writer.Write(value);
}
});
}
throw new NotSupportedException("Unsupported column type: " + column.PropertyType.FullName);
}
