/// <summary>
/// Does the lazy loading of object. This method is virtual so containers can
/// customize object fetching logic.
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
protected override object FetchObject(object key, OperationContext operationContext)
{
ReplicatedCacheBase cache = _cache as ReplicatedCacheBase;
object obj = null;
bool doAgain = false;
do
{
doAgain = false;
Address targetNode = cache.Cluster.Coordinator;
if (targetNode == null)
{
return(null);
}
if (cache.Cluster.IsCoordinator)
{
//coordinator has left and i am the new coordinator so need not to do
//state transfer.
_bvalid = false;
return(obj);
}
try
{
operationContext.Add(OperationContextFieldName.GenerateQueryInfo, true);
obj = cache.Clustered_Get(targetNode, key, operationContext, _isUserOperation);
}
catch (Runtime.Exceptions.SuspectedException se)
{
//coordinator has left; so need to synchronize with the new coordinator.
doAgain = true;
}
}while (doAgain);
return(obj);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="cache"></param>
/// <param name="keyList"></param>
public ClusteredEnumerator(ReplicatedCacheBase cache, Address address, object[] keyList, bool isUserOperation)
: base(cache, keyList, true)
{
_targetNode = address;
_isUserOperation = isUserOperation;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="cache"></param>
/// <param name="keyList"></param>
public ClusteredEnumerator(ReplicatedCacheBase cache, Address address, object[] keyList, bool isUserOperation)
: base(cache, keyList, true)
{
_targetNode = address;
_isUserOperation = isUserOperation;
}