protected override IGetOperationResult PerformTryGet(string key, out ulong cas, out object value)
{
var hashedKey = this.KeyTransformer.Transform(key);
var node = this.Pool.Locate(hashedKey);
var result = GetOperationResultFactory.Create();
if (node != null)
{
var command = this.Pool.OperationFactory.Get(hashedKey);
var executeResult = ExecuteWithRedirect(node, command);
if (executeResult.Success)
{
result.Value = value = this.Transcoder.Deserialize(command.Result);
result.Cas = cas = command.CasValue;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, true);
}
result.Pass();
return(result);
}
}
value = null;
cas = 0;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, false);
}
result.Fail("Unable to locate node");
return(result);
}
/// <summary>
/// Retrieves multiple items from the cache.
/// </summary>
/// <param name="keys">The list of identifiers for the items to retrieve.</param>
/// <returns>a Dictionary holding all items indexed by their key.</returns>
public IDictionary <string, IGetOperationResult> ExecuteGet(IEnumerable <string> keys)
{
return(PerformMultiGet <IGetOperationResult>(keys, (mget, kvp) =>
{
var result = GetOperationResultFactory.Create();
result.Value = this.transcoder.Deserialize(kvp.Value);
result.Cas = mget.Cas[kvp.Key];
result.Success = true;
return result;
}));
}
protected IGetOperationResult PerformTryGetWithLock(string key, TimeSpan lockExpiration, out ulong cas, out object value)
{
var hashedKey = this.KeyTransformer.Transform(key);
var node = this.Pool.Locate(hashedKey);
var result = GetOperationResultFactory.Create();
var exp = (uint)lockExpiration.Seconds;
if (exp > 30)
{
throw new ArgumentOutOfRangeException("Timeout cannot be greater than 30 seconds");
}
if (node != null)
{
var command = this.poolInstance.OperationFactory.GetWithLock(hashedKey, exp);
var commandResult = this.ExecuteWithRedirect(node, command);
if (commandResult.Success)
{
result.Value = value = this.Transcoder.Deserialize(command.Result);
result.Cas = cas = command.CasValue;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, true);
}
result.Pass();
return(result);
}
else
{
commandResult.Combine(result);
value = null;
cas = 0;
return(result);
}
}
value = null;
cas = 0;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, false);
}
result.Fail(ClientErrors.FAILURE_NODE_NOT_FOUND);
return(result);
}
protected IGetOperationResult PerformTryGetAndTouch(string key, uint nextExpiration, out ulong cas, out object value)
{
var hashedKey = this.KeyTransformer.Transform(key);
var node = this.Pool.Locate(hashedKey);
var result = GetOperationResultFactory.Create();
if (node != null)
{
var command = this.poolInstance.OperationFactory.GetAndTouch(hashedKey, nextExpiration);
var commandResult = this.ExecuteWithRedirect(node, command);
if (commandResult.Success)
{
result.Value = value = this.Transcoder.Deserialize(command.Result);
result.Cas = cas = command.CasValue;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, true);
}
result.Pass();
return(result);
}
else
{
cas = 0;
value = null;
result.InnerResult = commandResult;
result.Fail("Failed to execute Get and Touch operation, see InnerException or StatusCode for details");
}
}
value = null;
cas = 0;
if (this.PerformanceMonitor != null)
{
this.PerformanceMonitor.Get(1, false);
}
result.Fail(ClientErrors.FAILURE_NODE_NOT_FOUND);
return(result);
}
protected virtual IGetOperationResult PerformTryGet(string key, out ulong cas, out object value)
{
var hashedKey = this.keyTransformer.Transform(key);
var node = this.pool.Locate(hashedKey);
var result = GetOperationResultFactory.Create();
cas = 0;
value = null;
if (node != null)
{
var command = this.pool.OperationFactory.Get(hashedKey);
var commandResult = node.Execute(command);
if (commandResult.Success)
{
result.Value = value = this.transcoder.Deserialize(command.Result);
result.Cas = cas = command.CasValue;
if (this.performanceMonitor != null) this.performanceMonitor.Get(1, true);
result.Pass();
return result;
}
else
{
commandResult.Combine(result);
return result;
}
}
result.Value = value;
result.Cas = cas;
if (this.performanceMonitor != null) this.performanceMonitor.Get(1, false);
result.Fail("Unable to locate node");
return result;
}
/// <summary>
/// Retrieves multiple items from the cache.
/// </summary>
/// <param name="keys">The list of identifiers for the items to retrieve.</param>
/// <returns>a Dictionary holding all items indexed by their key.</returns>
public IDictionary <string, IGetOperationResult> ExecuteGet(IEnumerable <string> keys)
{
return(PerformMultiGet <IGetOperationResult>(
keys,
(mget, kvp) =>
{
var result = GetOperationResultFactory.Create();
result.Value = this.transcoder.Deserialize(kvp.Value);
result.Cas = mget.Cas[kvp.Key];
result.Success = true;
result.StatusCode = StatusCode.Success.ToInt();
return result;
},
opResult =>
{
var result = GetOperationResultFactory.Create();
result.Success = false;
result.StatusCode = opResult.StatusCode;
result.Message = opResult.Message;
result.Exception = opResult.Exception;
return result;
}));
}
