public static void CalculateStorageKeys <T>(ObjectStoreProperties props, T storeObject) where T : DatabaseObject
{
if (storeObject.Id != null)
{
return; // id is already set - nothing to do
}
byte[] primaryKeyHash;
if (props.PrimaryKeys.Count > 0)
{
StringBuilder builder = new StringBuilder();
foreach (var key in props.PrimaryKeys)
{
builder.Append(key.GetMethod.Invoke(storeObject, null)?.ToString() ?? "null");
}
using (var md5 = MD5.Create())
{
primaryKeyHash = md5.ComputeHash(Encoding.UTF8.GetBytes(builder.ToString()));
}
}
else
{
throw new InvalidOperationException("Cannot Store objects without at least one primary Key");
}
if (props.PartitionKey != null)
{
storeObject.Id = Convert.ToBase64String(primaryKeyHash);
}
else
{
storeObject.PartKey = Convert.ToBase64String(primaryKeyHash, 0, 5);
storeObject.Id = Convert.ToBase64String(primaryKeyHash, 5, primaryKeyHash.Length - 5);
}
}
public static ObjectStoreProperties GetProperties <T>() where T : class
{
if (!_knownTypes.TryGetValue(typeof(T), out var value))
{
value = ObjectStoreProperties.Create(typeof(T));
_knownTypes[typeof(T)] = value;
}
return(value);
}
public DatabaseContainer(IDatabaseService databaseService)
{
_props = DatabaseHelpers.GetProperties <T>();
_name = _props.ContainerName;
if (databaseService.Client == null)
{
_database = null;
}
else
{
_database = databaseService.GetDatabase();
}
_container = null;
}
public static PartitionKey CalculatePartitionKey <T>(ObjectStoreProperties props, T databaseObject) where T : DatabaseObject
{
if (props.PartitionKey == null)
{
return(new PartitionKey(databaseObject.PartKey));
}
object partKeyValue = props.PartitionKey.GetMethod.Invoke(databaseObject, null);
if (props.PartitionKey.PropertyType == typeof(string))
{
return(new PartitionKey((string)partKeyValue));
}
if (props.PartitionKey.PropertyType == typeof(bool))
{
return(new PartitionKey((bool)partKeyValue));
}
if (props.PartitionKey.PropertyType == typeof(double))
{
return(new PartitionKey((double)partKeyValue));
}
return(new PartitionKey(partKeyValue?.ToString()));
}
