/// <summary>
/// Determines whether this dictionary contains the specified value for the specified key
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns>true if the value is stored for the specified key in this dictionary, false otherwise</returns>
public bool ContainsValue(TKey key, TValue value)
{
ShardingAssert.ShouldBeNotNull(key, "key");
bool toReturn = false;
HashSet <TValue> values;
if (this.TryGetValue(key, out values))
{
toReturn = values.Contains(value);
}
return(toReturn);
}
/// <summary>
/// Adds the specified value under the specified key
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
public void Add(TKey key, TValue value)
{
ShardingAssert.ShouldBeNotNull(key, "key");
HashSet <TValue> container;
if (!this.TryGetValue(key, out container))
{
container = new HashSet <TValue>(_valueComparer);
this.Add(key, container);
}
container.Add(value);
}
/// <summary>
/// Removes the specified value for the specified key. It will leave the key in the dictionary.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
public void Remove(TKey key, TValue value)
{
ShardingAssert.ShouldBeNotNull(key, "key");
HashSet <TValue> container;
if (this.TryGetValue(key, out container))
{
container.Remove(value);
if (container.Count <= 0)
{
this.Remove(key);
}
}
}
