public virtual void TestTops()
{
long time = WindowLenMs + BucketLen * 3 / 2;
for (int i = 0; i < users.Length; i++)
{
manager.RecordMetric(time, "open", users[i], (i + 1) * 2);
}
time++;
for (int i_1 = 0; i_1 < users.Length; i_1++)
{
manager.RecordMetric(time, "close", users[i_1], i_1 + 1);
}
time++;
RollingWindowManager.TopWindow tops = manager.Snapshot(time);
NUnit.Framework.Assert.AreEqual("Unexpected number of ops", 2, tops.GetOps().Count
);
foreach (RollingWindowManager.OP op in tops.GetOps())
{
IList <RollingWindowManager.User> topUsers = op.GetTopUsers();
NUnit.Framework.Assert.AreEqual("Unexpected number of users", NTopUsers, topUsers
.Count);
if (op.GetOpType() == "open")
{
for (int i_2 = 0; i_2 < topUsers.Count; i_2++)
{
RollingWindowManager.User user = topUsers[i_2];
NUnit.Framework.Assert.AreEqual("Unexpected count for user " + user.GetUser(), (users
.Length - i_2) * 2, user.GetCount());
}
// Closed form of sum(range(2,42,2))
NUnit.Framework.Assert.AreEqual("Unexpected total count for op", (2 + (users.Length
* 2)) * (users.Length / 2), op.GetTotalCount());
}
}
// move the window forward not to see the "open" results
time += WindowLenMs - 2;
tops = manager.Snapshot(time);
NUnit.Framework.Assert.AreEqual("Unexpected number of ops", 1, tops.GetOps().Count
);
RollingWindowManager.OP op_1 = tops.GetOps()[0];
NUnit.Framework.Assert.AreEqual("Should only see close ops", "close", op_1.GetOpType
());
IList <RollingWindowManager.User> topUsers_1 = op_1.GetTopUsers();
for (int i_3 = 0; i_3 < topUsers_1.Count; i_3++)
{
RollingWindowManager.User user = topUsers_1[i_3];
NUnit.Framework.Assert.AreEqual("Unexpected count for user " + user.GetUser(), (users
.Length - i_3), user.GetCount());
}
// Closed form of sum(range(1,21))
NUnit.Framework.Assert.AreEqual("Unexpected total count for op", (1 + users.Length
) * (users.Length / 2), op_1.GetTotalCount());
}
/// <summary>Take a snapshot of current top users in the past period.</summary>
/// <param name="time">the current time</param>
/// <returns>
/// a TopWindow describing the top users for each metric in the
/// window.
/// </returns>
public virtual RollingWindowManager.TopWindow Snapshot(long time)
{
RollingWindowManager.TopWindow window = new RollingWindowManager.TopWindow(windowLenMs
);
if (Log.IsDebugEnabled())
{
ICollection <string> metricNames = metricMap.Keys;
Log.Debug("iterating in reported metrics, size={} values={}", metricNames.Count,
metricNames);
}
foreach (KeyValuePair <string, RollingWindowManager.RollingWindowMap> entry in metricMap)
{
string metricName = entry.Key;
RollingWindowManager.RollingWindowMap rollingWindows = entry.Value;
RollingWindowManager.TopN topN = GetTopUsersForMetric(time, metricName, rollingWindows
);
int size = topN.Count;
if (size == 0)
{
continue;
}
RollingWindowManager.OP op = new RollingWindowManager.OP(metricName, topN.GetTotal
());
window.AddOp(op);
// Reverse the users from the TopUsers using a stack,
// since we'd like them sorted in descending rather than ascending order
Stack <RollingWindowManager.NameValuePair> reverse = new Stack <RollingWindowManager.NameValuePair
>();
for (int i = 0; i < size; i++)
{
reverse.Push(topN.Poll());
}
for (int i_1 = 0; i_1 < size; i_1++)
{
RollingWindowManager.NameValuePair userEntry = reverse.Pop();
RollingWindowManager.User user = new RollingWindowManager.User(userEntry.name, Sharpen.Extensions.ValueOf
(userEntry.value));
op.AddUser(user);
}
}
return(window);
}
public virtual void AddUser(RollingWindowManager.User u)
{
topUsers.AddItem(u);
}
