public async Task <T> Get <T>(string partitionKey, string rowKey) where T : class, ITableEntity, new()
{
partitionKey.CheckNotNull(nameof(partitionKey));
rowKey.CheckNotNull(nameof(rowKey));
/* This will throw a storage exception if it fails to acquire the lock */
var response = await tableStorageProvider.Get <T>(partitionKey, rowKey);
return(response?.Result);
}
public async Task Hold(string partitionKey, string rowKey)
{
await this.mutex.AcquireAsync();
var entity = await tableStorageProvider.Get <T>(partitionKey, rowKey);
this.Entity = entity.Result;
if (this.Entity == null)
{
IsNew = true;
this.Entity = Activator.CreateInstance <T>();
this.Entity.PartitionKey = tableStorageProvider.ToKey(partitionKey);
this.Entity.RowKey = tableStorageProvider.ToKey(rowKey);
}
this.Entity.ETag = "*"; // ML - Ensure clobbering happens as we have a lock
}