54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics.Contracts;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace DataStructures.ConcurrentAdjacencyList
|
|
{
|
|
//TODO: incomplete, requires inspection
|
|
[Serializable]
|
|
public class ConcurrentAdjacencyList<T>
|
|
{
|
|
private readonly ConcurrentDictionary<T, List<T>> dict = new ConcurrentDictionary<T, List<T>>();
|
|
|
|
public IList<T> Vertices
|
|
{
|
|
get { return dict.Keys.ToList(); }
|
|
}
|
|
|
|
public int Count
|
|
{
|
|
get { return dict.Count; }
|
|
}
|
|
|
|
public void AddVertex(T vertex)
|
|
{
|
|
Contract.Requires<ArgumentNullException>(vertex != null);
|
|
dict[vertex] = new List<T>();
|
|
}
|
|
|
|
public void AddEdge(T vertex1, T vertex2)
|
|
{
|
|
Contract.Requires<ArgumentNullException>(vertex1 != null);
|
|
Contract.Requires<ArgumentNullException>(vertex2 != null);
|
|
dict[vertex1].Add(vertex2);
|
|
dict[vertex2].Add(vertex1);
|
|
}
|
|
|
|
public bool IsNeighbourOf(T vertex, T neighbour)
|
|
{
|
|
Contract.Requires<ArgumentNullException>(vertex != null);
|
|
Contract.Requires<ArgumentNullException>(neighbour != null);
|
|
return dict.ContainsKey(vertex) && dict[vertex].Contains(neighbour);
|
|
}
|
|
|
|
public IList<T> GetNeighbours(T vertex)
|
|
{
|
|
Contract.Requires<ArgumentNullException>(vertex != null);
|
|
return dict.ContainsKey(vertex)? dict[vertex]: new List<T>();
|
|
}
|
|
}
|
|
}
|