public İlan GetIlan(int key)
{
int hash = (key % tableSize);
if (table[hash] == null)
{
return(null);
}
else
{
HashChainEntry entry = table[hash];
while (entry != null && entry.Anahtar != key)
{
entry = entry.Next;
}
if (entry == null)
{
return(null);
}
else
{
return((İlan)entry.Deger);
}
}
}
public void AddIlan(int key, object value)
{
int hash = (key % tableSize);
if (table[hash] == null)
{
table[hash] = new HashChainEntry(key, value);
}
else
{
HashChainEntry entry = table[hash];
while (entry.Next != null && entry.Anahtar != key)
{
entry = entry.Next;
}
if (entry.Anahtar == key)
{
entry.Deger = value;
}
else
{
entry.Next = new HashChainEntry(key, value);
}
}
}
public İlan RemoveIlan(int key)
{
int hash = (key % tableSize);
if (table[hash] == null)
{
return(null);
}
else
{
HashChainEntry entry = table[hash];
HashChainEntry previous = entry;
while (entry.Next != null && entry.Anahtar != key)
{
if (entry.Next.Anahtar == key)
{
previous = entry;
}
entry = entry.Next;
}
if (entry == null)
{
return(null);
}
else
{
object temp = entry.Deger;
while (entry.Next != null)
{
entry.Anahtar = entry.Next.Anahtar;
entry.Deger = entry.Next.Deger;
if (entry.Next.Next != null)
{
entry.Next = entry.Next.Next;
}
else
{
entry.Next = null;
break;
}
entry = entry.Next;
}
if (previous == entry && entry.Next == null)
{
table[hash] = null;
}
else if (previous.Next.Next == null && previous.Next.Anahtar == key)
{
previous.Next = null;
}
return((İlan)temp);
}
}
}
public List <İlan> GetAll()
{
List <İlan> ilanlar = new List <İlan>();
for (int i = 0; i < tableSize; i++)
{
HashChainEntry entry = table[i];
while (entry != null)
{
ilanlar.Add((İlan)table[i].Deger);
entry = entry.Next;
}
}
return(ilanlar);
}
