public bool Contains(Object o)
{
if (!(o is HashMapEntry))
{
return(false);
}
HashMapEntry e = (HashMapEntry)o;
HashMapEntry candidate = _map.GetEntry(e.Key);
return(candidate != null && candidate.Equals(e));
}
/// <summary>
/// remove the mapping for a specified entry
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public HashMapEntry RemoveMapping(object o)
{
if (!(o is HashMapEntry))
{
return(null);
}
HashMapEntry entry = (HashMapEntry)o;
object k = maskNull(entry.Key);
int thehash = hash(k);
int i = indexFor(thehash, table.Length);
HashMapEntry prev = table[i];
HashMapEntry e = prev;
while (e != null)
{
HashMapEntry next = e.Next;
if (e.Hash == thehash && e.Equals(entry))
{
modCount++;
size--;
if (prev == e)
{
table[i] = next;
}
else
{
prev.Next = next;
}
return(e);
}
prev = e;
e = next;
}
return(e);
}
