72 lines
2.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
namespace UniversalEditor.Collections.Generic
{
public class BidirectionalDictionary<T1, T2> : System.Collections.IEnumerable
{
private Dictionary<T1, T2> mvarForwardDictionary = new Dictionary<T1, T2>();
private Dictionary<T2, T1> mvarBackwardDictionary = new Dictionary<T2, T1>();
public void Add(T1 value1, T2 value2)
{
this.mvarForwardDictionary.Add(value1, value2);
this.mvarBackwardDictionary.Add(value2, value1);
}
public void RemoveByValue1(T1 value1)
{
T2 value2 = this.mvarForwardDictionary[value1];
this.mvarForwardDictionary.Remove(value1);
this.mvarBackwardDictionary.Remove(value2);
}
public void RemoveByValue2(T2 value2)
{
T1 value3 = this.mvarBackwardDictionary[value2];
this.mvarForwardDictionary.Remove(value3);
this.mvarBackwardDictionary.Remove(value2);
}
public T1 GetValue1(T2 value2)
{
return this.mvarBackwardDictionary[value2];
}
public T2 GetValue2(T1 value1)
{
return this.mvarForwardDictionary[value1];
}
public bool HasValue1(T2 value2)
{
return this.mvarBackwardDictionary.ContainsKey(value2);
}
public bool HasValue2(T1 value1)
{
return this.mvarForwardDictionary.ContainsKey(value1);
}
public IEnumerator<KeyValuePair<T1, T2>> GetEnumerator()
{
return this.mvarForwardDictionary.GetEnumerator();
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return this.mvarForwardDictionary.GetEnumerator();
}
public bool ContainsValue1(T1 value)
{
return this.mvarForwardDictionary.ContainsKey(value);
}
public bool ContainsValue2(T2 value)
{
return this.mvarBackwardDictionary.ContainsKey(value);
}
public int Count
{
get
{
if (mvarForwardDictionary.Count != mvarBackwardDictionary.Count) throw new InvalidOperationException("Count mismatch");
return mvarBackwardDictionary.Count;
}
}
}
}