public void RecordCalculatedResults(string k1, string k2, decimal pr)
{
if (calculatedResults.ContainsKey(k1))
{
var innerDictionary = calculatedResults[k1];
if (innerDictionary.ContainsKey(k2))
{
throw new NotSupportedException("This pattern expects only one entry per k1k2 pair");
}
else
{
//ToDo: Better understanding/handling of exceptions here
try
{
innerDictionary.Add(k2, pr);
}
catch { new Exception($"adding {pr} to {k1}'s innerDictionary keyed by {k2} failed"); }
}
}
else
{
var innerDictionary = new ConcurrentObservableDictionary <string, decimal>();
try { innerDictionary.Add(k2, pr); } catch { new Exception($"adding {pr} to the new innerDictionary keyed by {k2} failed"); }
try { calculatedResults.Add(k1, innerDictionary); } catch { new Exception($"adding the new innerDictionary to calculatedResults keyed by {k1} failed"); }
};
}
protected virtual async Task UpdateAllData()
{
var values = await Database.StringGetAsync(CurrentCachedKeys).ConfigureAwait(false);
for (var i = 0; i < CurrentCachedKeys.Length; ++i)
{
Cache.AddOrUpdate(CurrentCachedKeys[i], values[i]);
}
foreach (var cacheKey in Cache.Keys)
{
if (CachedKeys.ContainsKey(cacheKey))
{
continue;
}
_tasks.Add(Task.Run(() => { Cache.TryRemove(cacheKey, out _); }));
}
if (_tasks.Count == 0)
{
return;
}
Task.WaitAll(_tasks.ToArray());
_tasks.Clear();
}
/// <summary>
/// Attempts to add a new member variable or property at runtime to the current object instance.
/// This method is called automatically when the object is created as "dynamic" and a variable or property is implicitly set.
/// </summary>
/// <param name="binder"></param>
/// <param name="value"></param>
/// <returns>True if a member variable already existed and was updated, otherwise false if the variable was newly
/// added to the object.</returns>
/// <exception cref="Exception">This method will raise an exception if <see cref="value"/> has a different type than
/// the value that is already set.</exception>
public override bool TrySetMember(SetMemberBinder binder, object value)
{
if (_values.ContainsKey(binder.Name))
{
var type = _values[binder.Name].GetType();
if (value.GetType() == type)
{
SetValue(binder.Name, value);
return(true);
}
else
{
throw new Exception("Value " + value + " is not of type " + type.Name);
}
}
else
{
SetValue(binder.Name, value);
return(false);
}
}
public void TestManyOperations()
{
// Create some random, but unique items
// Use a fixed seed for consistency in results
Random random = new Random(1);
HashSet <int> baseItemsSet = new HashSet <int>();
while (baseItemsSet.Count < 1_100_000)
{
baseItemsSet.Add(random.Next());
}
// Create 2 collections, 1 to test, and 1 to compare against
var testCollection = new ConcurrentObservableDictionary <string, string>();
var list = new List <KeyValuePair <string, string> >();
// Create 1,000,000 items to add and insert
var itemsToAdd =
baseItemsSet
.Take(1_000_000)
.Select(x => Swordfish.NET.Collections.KeyValuePair.Create($"Key {x}", $"Value {x}"))
.ToList();
// Create 100,000 items to insert
var itemsToInsert =
baseItemsSet
.Skip(1_000_000)
.Take(100_000)
.Select(x => Swordfish.NET.Collections.KeyValuePair.Create($"Insert Key {x}", $"Insert Value {x}"))
.ToList();
// Create items to remove
var itemsToRemove =
itemsToInsert
.Take(1000)
.ToList();
foreach (var item in itemsToAdd)
{
testCollection.Add(item.Key, item.Value);
list.Add(item);
}
// Check items are equal count
Assert.IsTrue(list.Count == testCollection.Count, "Added Items correct count");
// Check items are equal order
var allEqualAfterAdd =
list
.Zip(testCollection, (a, b) => (a.Key == b.Key) && (a.Value == b.Value))
.All(a => a);
Assert.IsTrue(allEqualAfterAdd, "Added items correct order");
// Test inserting items
int insertIndex = itemsToInsert.Count + 100;
foreach (var item in itemsToInsert)
{
// We have the function but it's there for other reasons
testCollection.Insert(insertIndex, item);
list.Insert(insertIndex, item);
insertIndex--;
}
// Check items are equal count
Assert.IsTrue(list.Count == testCollection.Count, "Items correct count after inserting");
// Check items are equal order
var allEqualAfterInsert =
list
.Zip(testCollection, (a, b) => (a.Key == b.Key) && (a.Value == b.Value))
.All(a => a);
Assert.IsTrue(allEqualAfterAdd, "Items correct order after insert");
// Test removing items
foreach (var item in itemsToRemove)
{
testCollection.Remove(item.Key);
list.Remove(item);
}
// Check items are equal count
Assert.IsTrue(list.Count == testCollection.Count, "Items correct count after removing");
// Check items are equal order
var allEqualAfterRemove =
list
.Zip(testCollection, (a, b) => (a.Key == b.Key) && (a.Value == b.Value))
.All(a => a);
Assert.IsTrue(allEqualAfterRemove, "Items correct order after removing");
// Test contains
var containsAll = list
.All(kv => testCollection.Contains(kv));
Assert.IsTrue(containsAll, "Contains all the items is true");
var containsNone = itemsToRemove
.Any(kv => testCollection.ContainsKey(kv.Key));
Assert.IsFalse(containsNone, "Contains any of the removed items is false");
// Test removing at
int removeAtIndex = list.Count - 30;
while (removeAtIndex >= 0 && list.Count > 0)
{
list.RemoveAt(removeAtIndex);
testCollection.RemoveAt(removeAtIndex);
removeAtIndex -= 30;
}
// Check items are equal count
Assert.IsTrue(list.Count == testCollection.Count, "Items correct count after removing at index");
// Check items are equal order
var allEqualAfterRemoveAt =
list
.Zip(testCollection, (a, b) => (a.Key == b.Key) && (a.Value == b.Value))
.All(a => a);
Assert.IsTrue(allEqualAfterRemoveAt, "Items correct order after removing at index");
}