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public class CompositeKeyDictionary<T,U,V>
{
private Dictionary<T, Dictionary<U, V>> _grid;
public CompositeKeyDictionary()
{
_grid = new Dictionary<T, Dictionary<U, V>>();
}
public IEnumerable<V> GetThirdLevel(T k1)
{
if (_grid.ContainsKey(k1))
{
return _grid[k1].Values;
}
return null;
}
public IDictionary<U,V> GetRecords(T k1)
{
if (_grid.ContainsKey(k1))
{
return _grid[k1];
}
return null;
}
public void ClearRecords(T k1)
{
if (_grid.ContainsKey(k1))
{
_grid[k1].Clear();
}
}
public void AddRecord(T k1,U k2,V k3)
{
Dictionary<U, V> kvp;
if (_grid.ContainsKey(k1))
{
kvp = _grid[k1];
kvp.Add(k2, k3);
}
else
{
kvp = new Dictionary<U, V>();
kvp.Add(k2, k3);
_grid.Add(k1, kvp);
}
}
public void RemoveRecord(T k1)
{
_grid.Remove(k1);
}
public void Clear()
{
_grid.Clear();
}
} |
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