DotNet.MultiMap
MultiMap with using List<T> and HashSet<> grouping. Best solution for using with NetCore EntityFramework and NHibernate for case complex data manipulation and memory caching.
Nuget.org
https://www.nuget.org/packages/DotNet.MultiMap/
Examples and Tests
Test Examples of using from unit test:
MultiMapList<string, string> multiMapList = new MultiMapList<string, string>();
string key = nameof(key);
string val = nameof(val);
string val2 = nameof(val2);
Assert.IsTrue(multiMapList.TryToAddMapping(key, val));
Assert.IsTrue(multiMapList.TryToAddMapping(key, val));
Assert.IsTrue(multiMapList.TryToAddMapping(key, val2));
Assert.IsTrue(multiMapList.TryToAddMapping(key, val2));
Assert.AreEqual(2, multiMapList.ContainsMapping(key, val));
Assert.AreEqual(2, multiMapList.ContainsMapping(key, val2));
Assert.IsTrue(multiMapList.TryToRemoveMapping(key, val));
Assert.AreEqual(1, multiMapList.ContainsMapping(key, val));
Assert.IsTrue(multiMapList.TryToRemoveMapping(key, val));
Assert.IsFalse(multiMapList.TryToRemoveMapping(key, val));
Assert.AreEqual(0, multiMapList.ContainsMapping(key, val));
Assert.AreEqual(1, multiMapList.Keys.Count);
Assert.AreEqual(1, multiMapList.Values.Count);
Assert.IsTrue(multiMapList.TryToRemoveMapping(key, val2));
Assert.AreEqual(1, multiMapList.ContainsMapping(key, val2));
Assert.IsTrue(multiMapList.TryToRemoveMapping(key, val2));
Assert.IsFalse(multiMapList.TryToRemoveMapping(key, val2));
Assert.AreEqual(0, multiMapList.ContainsMapping(key, val2));
Assert.AreEqual(0, multiMapList.Keys.Count);
Assert.AreEqual(0, multiMapList.Values.Count); MultiMapHashSet<string, string> multiMapHashSet = new MultiMapHashSet<string, string>();
string key = nameof(key);
string val = nameof(val);
string val2 = nameof(val2);
Assert.IsTrue(multiMapHashSet.TryToAddMapping(key, val));
Assert.IsTrue(multiMapHashSet.TryToAddMapping(key, val2));
Assert.AreEqual(1, multiMapHashSet.ContainsMapping(key, val));
Assert.AreEqual(1, multiMapHashSet.ContainsMapping(key, val2));
Assert.IsTrue(multiMapHashSet.TryToRemoveMapping(key, val));
Assert.AreEqual(0, multiMapHashSet.ContainsMapping(key, val));
Assert.IsFalse(multiMapHashSet.TryToRemoveMapping(key, val));
Assert.AreEqual(1, multiMapHashSet.Keys.Count);
Assert.AreEqual(1, multiMapHashSet.Values.Count);
Assert.IsTrue(multiMapHashSet.TryToRemoveMapping(key, val2));
Assert.IsFalse(multiMapHashSet.TryToRemoveMapping(key, val2));
Assert.AreEqual(0, multiMapHashSet.ContainsMapping(key, val2));
Assert.AreEqual(0, multiMapHashSet.Keys.Count);
Assert.AreEqual(0, multiMapHashSet.Values.Count);
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