public override bool DeleteEdge(T v1, T v2)
{
if (v1 is null)
{
throw new ArgumentNullException(nameof(v1));
}
if (v2 is null)
{
throw new ArgumentNullException(nameof(v2));
}
IPairValue <T> pair_1 = new PairValueI <T>(v1, v2);
IPairValue <T> pair_2 = new PairValueI <T>(v2, v1);
if (EdgeSet.Contains(pair_1) || EdgeSet.Contains(pair_2))
{
EdgeSet.Remove(pair_1);
Weights.Remove(pair_1);
EdgeSet.Remove(pair_2);
Weights.Remove(pair_2);
return(true);
}
return(false);
}
public override bool AddEdge(T v1, T v2, K weight)
{
if (v1 is null)
{
throw new ArgumentNullException(nameof(v1));
}
if (v2 is null)
{
throw new ArgumentNullException(nameof(v2));
}
if (weight is null)
{
throw new ArgumentNullException(nameof(weight));
}
if (!VertexSet.Contains(v1) || !VertexSet.Contains(v2))
{
return(false);
}
IPairValue <T> pair = new PairValueI <T>(v1, v2);
if (EdgeSet.Contains(pair))
{
return(false);
}
EdgeSet.Add(pair);
Weights[pair] = weight;
return(true);
}
public override bool AreAdjacent(TV v1, TV v2)
{
if (v1 == null || v2 == null)
{
throw new ArgumentNullException();
}
if (!VertexSet.Contains(v1) || !VertexSet.Contains(v2))
{
throw new ArgumentException();
}
return(EdgeSet.Contains(new PairValue <TV>(v1, v2)));
}
public override bool DeleteEdge(TV v1, TV v2)
{
if (v1 == null || v2 == null)
{
throw new ArgumentNullException();
}
IPairValue <TV> pair = new PairValue <TV>(v1, v2);
if (EdgeSet.Contains(pair))
{
EdgeSet.Remove(pair);
Weigths.Remove(pair);
return(true);
}
return(false);
}
public override bool DeleteEdge(T v1Key, T v2Key)
{
if (v1Key == null || v2Key == null)
{
throw new ArgumentNullException();
}
IPairValue <T> pair = new PairValue <T>(v1Key, v2Key);
if (EdgeSet.Contains(pair))
{
EdgeSet.Remove(pair);
Weights.Remove(pair);
return(true);
}
return(false);
}
public override bool AreAdjacent(T v1, T v2)
{
if (v1 is null)
{
throw new ArgumentNullException(nameof(v1));
}
if (v2 is null)
{
throw new ArgumentNullException(nameof(v2));
}
if (!VertexSet.Contains(v1) || !VertexSet.Contains(v2))
{
throw new ArgumentException();
}
return(EdgeSet.Contains(new PairValueI <T>(v1, v2)));
}
public override bool AddEdge(TV v1, TV v2, TK weigth)
{
if (v1 == null || v2 == null || weigth == null)
{
throw new ArgumentNullException();
}
if (!VertexSet.Contains(v1) || !VertexSet.Contains(v2))
{
return(false);
}
IPairValue <TV> pair = new PairValue <TV>(v1, v2);
if (EdgeSet.Contains(pair))
{
return(false);
}
EdgeSet.Add(pair);
Weigths[pair] = weigth;
return(true);
}
public override bool AddEdge(KeyValuePair <T, K> v1, KeyValuePair <T, K> v2, K weight)
{
if (v1.Key == null || v2.Key == null || weight == null)
{
throw new ArgumentNullException();
}
if (!VertexSet.Contains(v1) || !VertexSet.Contains(v2))
{
return(false);
}
IPairValue <T> pair = new PairValue <T>(v1.Key, v2.Key);
if (EdgeSet.Contains(pair))
{
return(false);
}
EdgeSet.Add(pair);
Weights[pair] = weight;
return(true);
}