public IHttpActionResult Left([FromBody] string encodedData)
{
try
{
_streams.AddOrUpdate(LeftKey, encodedData);
return(Ok(encodedData));
}
catch
{
return(BadRequest());
}
}
public IHttpActionResult Left([ModelBinder(typeof(ByteArrayModelBinder))] byte[] content)
{
try
{
_streams.AddOrUpdate(LeftKey, content);
return(Ok());
}
catch
{
return(BadRequest());
}
}
public TValue AddOrUpdate(TKey key, Func <TKey, TValue> addValueFactory, Func <TKey, TValue, TValue> updateValueFactory)
{
// key could be null
if (key == null)
{
// ConcurrentDictionary hates null
throw new ArgumentNullException(nameof(key));
}
// addValueFactory and updateValueFactory are checked for null inside the call
var result = _wrapped.AddOrUpdate
(
key,
addValueFactory,
updateValueFactory
);
return(result);
}
public void AddOrUpdate()
{
var dict = new ThreadSafeDictionary <int, int>(Enumerable.Range(0, 10).Select(x => new KeyValuePair <int, int>(x, 2 * x)));
int val;
Assert.IsTrue(dict.AddOrUpdate(10, 18, 99, EqualityComparer <int> .Default, out val));
Assert.AreEqual(0, val);
Assert.AreEqual(18, dict[10]);
Assert.IsFalse(dict.AddOrUpdate(10, 20, 99, EqualityComparer <int> .Default, out val));
Assert.AreEqual(18, val);
Assert.AreEqual(18, dict[10]);
Assert.IsTrue(dict.AddOrUpdate(10, 20, 18, EqualityComparer <int> .Default, out val));
Assert.AreEqual(18, val);
Assert.AreEqual(20, dict[10]);
Assert.IsTrue(dict.AddOrUpdate(100, 180, 99, EqualityComparer <int> .Default));
Assert.AreEqual(180, dict[100]);
Assert.IsFalse(dict.AddOrUpdate(100, 200, 99, EqualityComparer <int> .Default));
Assert.AreEqual(180, dict[100]);
Assert.IsTrue(dict.AddOrUpdate(100, 200, 180, EqualityComparer <int> .Default));
Assert.AreEqual(200, dict[100]);
dict.Remove(10);
dict.Remove(100);
Assert.IsTrue(dict.AddOrUpdate(10, 18, 99, out val));
Assert.AreEqual(0, val);
Assert.AreEqual(18, dict[10]);
Assert.IsFalse(dict.AddOrUpdate(10, 20, 99, out val));
Assert.AreEqual(18, val);
Assert.AreEqual(18, dict[10]);
Assert.IsTrue(dict.AddOrUpdate(10, 20, 18, out val));
Assert.AreEqual(18, val);
Assert.AreEqual(20, dict[10]);
Assert.IsTrue(dict.AddOrUpdate(100, 180, 99));
Assert.AreEqual(180, dict[100]);
Assert.IsFalse(dict.AddOrUpdate(100, 200, 99));
Assert.AreEqual(180, dict[100]);
Assert.IsTrue(dict.AddOrUpdate(100, 200, 180));
Assert.AreEqual(200, dict[100]);
bool calledUpdater = false;
Assert.AreEqual(18, dict.AddOrUpdate(20, 18, (k, v) => {
calledUpdater = true;
return(20);
}, out val));
Assert.IsFalse(calledUpdater);
Assert.AreEqual(0, val);
Assert.AreEqual(18, dict[20]);
Assert.AreEqual(20, dict.AddOrUpdate(20, 18, (k, v) => {
calledUpdater = true;
return(20);
}, out val));
Assert.IsTrue(calledUpdater);
Assert.AreEqual(18, val);
Assert.AreEqual(20, dict[20]);
calledUpdater = false;
dict.Remove(20);
Assert.AreEqual(18, dict.AddOrUpdate(20, 18, (k, v) => {
calledUpdater = true;
return(20);
}));
Assert.IsFalse(calledUpdater);
Assert.AreEqual(18, dict[20]);
Assert.AreEqual(20, dict.AddOrUpdate(20, 18, (k, v) => {
calledUpdater = true;
return(20);
}));
Assert.IsTrue(calledUpdater);
Assert.AreEqual(20, dict[20]);
calledUpdater = false;
bool calledFactory = false;
dict.Remove(20);
Assert.AreEqual(18, dict.AddOrUpdate(20, k => {
calledFactory = true;
return(18);
}, (k, v) => {
calledUpdater = true;
return(20);
}, out val));
Assert.IsTrue(calledFactory);
Assert.IsFalse(calledUpdater);
Assert.AreEqual(18, dict[20]);
Assert.AreEqual(0, val);
calledFactory = false;
Assert.AreEqual(20, dict.AddOrUpdate(20, k => {
calledFactory = true;
return(18);
}, (k, v) => {
calledUpdater = true;
return(20);
}, out val));
Assert.IsFalse(calledFactory);
Assert.IsTrue(calledUpdater);
Assert.AreEqual(20, dict[20]);
Assert.AreEqual(18, val);
dict.Remove(20);
calledUpdater = false;
Assert.AreEqual(18, dict.AddOrUpdate(20, k => {
calledFactory = true;
return(18);
}, (k, v) => {
calledUpdater = true;
return(20);
}));
Assert.IsTrue(calledFactory);
Assert.IsFalse(calledUpdater);
Assert.AreEqual(18, dict[20]);
calledFactory = false;
Assert.AreEqual(20, dict.AddOrUpdate(20, k => {
calledFactory = true;
return(18);
}, (k, v) => {
calledUpdater = true;
return(20);
}));
Assert.IsFalse(calledFactory);
Assert.IsTrue(calledUpdater);
Assert.AreEqual(20, dict[20]);
}
public void Adds_Value_To_Dictionary()
{
Assert.AreEqual(0, _dictionary.Count());
_dictionary.AddOrUpdate(1, "Test Value");
Assert.AreEqual(1, _dictionary.Count());
}
