//удаление элемента
public bool TableDelete(long searchKey)
{
int key = this.HashIndex(searchKey);
ChainNode currNode = this.table[key];
ChainNode beforeCurrentNode = null;
while (currNode != null && currNode.GetItem().GetKey() != searchKey)
{
beforeCurrentNode = currNode;
currNode = currNode.GetNext();
}
if (currNode == null)
{
Console.WriteLine("Error, no such Item");
return false;
}
else
{
if (beforeCurrentNode == null)
{
this.table[key] = null;
}
else
{
beforeCurrentNode.SetNextChainNode(currNode.GetNext());
}
this.NumberOfElements--;
return true;
}
}
//public bool TableIsEmpty() { }
public bool TableInsert(TableItemType _newItem)
{
ChainNode node = new ChainNode(_newItem);
int key = this.HashIndex(_newItem.GetKey());
if (this.table[key] != null)
{
ChainNode tmp = this.table[key];
node.SetNextChainNode(tmp);
this.table[key] = node;
}
else
{
this.table[key] = node;
}
this.NumberOfElements++;
return true;
}
