public DictQueueCacheCursor(IterableDict<string, DictBatchContainer> dict, string streamNamespace, Guid streamGuid)
{
_dict = dict;
_curosr = _dict.GetCursor();
_streamNamespace = streamNamespace;
_streamGuid = streamGuid;
}
public void CreateFromExistingDict()
{
// create new normal dict
var internalDict = new Dictionary <int, int>();
// copy the iterable one into it
var cursor = _dict.GetCursor();
int i = 0;
while (cursor.MoveNext())
{
var v = cursor.GetCurrent();
internalDict.AddOrUpdate(i, v);
i++;
}
// create a new iterable from the normal dict
var dict = new IterableDict <int, int>(internalDict);
// read all from the new iterable
var cursor1 = dict.GetCursor();
var cursor1Read = new Dictionary <int, int>();
IterableLinkedListNode <int> curr;
while (cursor1.MoveNext())
{
curr = cursor1.GetCurrentNode();
Assert.IsNotNull(curr?.Value);
cursor1Read.AddOrUpdate(curr.Value, dict[curr.Value]);
}
// Check that we read the same from the new iterable as the normal dict
foreach (var pair in internalDict)
{
Assert.IsTrue(cursor1Read.ContainsKey(pair.Key));
Assert.AreEqual(cursor1Read[pair.Key], pair.Value);
}
}
public void ModifyNextNode()
{
var cursor1 = _dict.GetCursor();
var cursor1Read = new Dictionary <int, int>();
IterableLinkedListNode <int> curr;
// read
Assert.IsTrue(cursor1.MoveNext(), "Couldn't read next");
curr = cursor1.GetCurrentNode();
Assert.IsNotNull(curr?.Value);
cursor1Read.AddOrUpdate(curr.Value, _dict[curr.Value]);
// read
Assert.IsTrue(cursor1.MoveNext(), "Couldn't read next");
curr = cursor1.GetCurrentNode();
Assert.IsNotNull(curr?.Value);
cursor1Read.Add(curr.Value, _dict[curr.Value]);
// update next node
_dict.AddOrUpdate(2, _dict[2] * 2);
// read the rest
while (cursor1.MoveNext())
{
curr = cursor1.GetCurrentNode();
Assert.IsNotNull(curr?.Value);
cursor1Read.AddOrUpdate(curr.Value, _dict[curr.Value]);
}
// read from beginning with a new cursor
var cursor2 = _dict.GetCursor();
var cursor2Read = new Dictionary <int, int>();
while (cursor2.MoveNext())
{
curr = cursor2.GetCurrentNode();
Assert.IsNotNull(curr?.Value);
cursor2Read.AddOrUpdate(curr.Value, _dict[curr.Value]);
}
// Check we got the same
foreach (var pair in cursor1Read)
{
Assert.IsTrue(cursor2Read.ContainsKey(pair.Key));
Assert.AreEqual(cursor2Read[pair.Key], pair.Value);
}
}