/// <summary>
/// Deletes the globally unique value.
/// </summary>
/// <param name="dataSetName">Name of the data set.</param>
/// <param name="uniqueValue">The unique value.</param>
public void DeleteGloballyUniqueValue(string dataSetName, string uniqueValue)
{
var itemToDelete = GetGloballyUniqueValue(dataSetName, uniqueValue);
if (itemToDelete != null)
{
_serviceContext.DeleteObject(itemToDelete);
_serviceContext.SaveChanges();
}
AzureCache.Remove(dataSetName + "-" + uniqueValue);
}
//Update
/// <summary>
/// Updates the globally unique value.
/// </summary>
/// <param name="dataSetName">Name of the data set.</param>
/// <param name="uniqueValue">The unique value.</param>
/// <param name="distributionKey">The distribution key.</param>
/// <exception cref="System.InvalidOperationException">The provided unique value doesn't exist</exception>
public void UpdateGloballyUniqueValue(string dataSetName, string uniqueValue, long distributionKey)
{
var globallyUniqueValue = GetGloballyUniqueValue(dataSetName, uniqueValue, true);
if (globallyUniqueValue != null)
{
globallyUniqueValue.DataSetName = dataSetName;
globallyUniqueValue.UniqueValue = uniqueValue;
globallyUniqueValue.DistributionKey = distributionKey;
_serviceContext.UpdateObject(globallyUniqueValue);
_serviceContext.SaveChanges();
}
else
{
throw new InvalidOperationException("The provided unique value doesn't exist");
}
AzureCache.Remove(dataSetName + "-" + uniqueValue);
AzureCache.Put(dataSetName + "-" + uniqueValue, globallyUniqueValue);
}
/// <summary>
/// Gets the globally unique value.
/// </summary>
/// <param name="dataSetName">Name of the data set.</param>
/// <param name="uniqueValue">The unique value.</param>
/// <param name="skipCache">if set to <c>true</c> [skip cache].</param>
/// <returns>GloballyUniqueValue.</returns>
public GloballyUniqueValue GetGloballyUniqueValue(string dataSetName, string uniqueValue, bool skipCache = false)
{
if (!skipCache)
{
var cachedUniqueValue = AzureCache.Get(dataSetName + "-" + uniqueValue) as CacheGloballyUniqueValue;
if (cachedUniqueValue == null)
{
var returnUniqueValue =
_serviceContext.uniqueValues
.Where(c => c.PartitionKey == dataSetName &&
c.RowKey == uniqueValue)
.Select(c => c)
.FirstOrDefault();
if (returnUniqueValue != null)
{
cachedUniqueValue = returnUniqueValue.ToCacheGloballyUniqueValue();
AzureCache.Put(dataSetName + "-" + uniqueValue, cachedUniqueValue);
return(returnUniqueValue);
}
AzureCache.Put(dataSetName + "-" + uniqueValue, new CacheGloballyUniqueValue {
IsEmpty = true
});
return(null);
}
if (cachedUniqueValue.IsEmpty)
{
return(null);
}
return(cachedUniqueValue.ToGloballyUniqueValue());
}
return
(_serviceContext.uniqueValues
.Where(c => c.PartitionKey == dataSetName &&
c.RowKey == uniqueValue)
.Select(c => c)
.FirstOrDefault());
}
/// <summary>
/// Adds the globally unique value.
/// </summary>
/// <param name="dataSetName">Name of the data set.</param>
/// <param name="uniqueValue">The unique value.</param>
/// <param name="distributionKey">The distribution key.</param>
/// <exception cref="System.InvalidOperationException">The provided unique value already exist</exception>
public void AddGloballyUniqueValue(string dataSetName, string uniqueValue, long distributionKey)
{
var globallyUniqueValue = GetGloballyUniqueValue(dataSetName, uniqueValue, true);
if (globallyUniqueValue == null)
{
globallyUniqueValue = new GloballyUniqueValue
{
DataSetName = dataSetName,
UniqueValue = uniqueValue,
DistributionKey = distributionKey
};
_serviceContext.AddObject(GloballyUniqueValueContext.GloballyUniqueValueTable, globallyUniqueValue);
}
else
{
throw new InvalidOperationException("The provided unique value already exist");
}
_serviceContext.SaveChanges();
AzureCache.Put(dataSetName + "-" + uniqueValue, globallyUniqueValue);
}