private HashTableElement GetElementAt(int index)
{
byte[] getResult = _simpleCollectionNextIndex.Get(index);
HashTableHeader header = GetHashTableHeader();
return(HashTableElement.Deserialize(getResult, index, header.KeySize, header.ValueSize));
}
public PersistentHashTable(string hashtableName, int tableSize, int keySize, int valueSize, int userHeaderSize)
{
_simpleCollectionNextIndex = new PersistentNextSpaceArray(hashtableName, keySize + valueSize, userHeaderSize + GetHeaderSize());
HashTableHeader header = new HashTableHeader(tableSize, keySize, valueSize);
_simpleCollectionNextIndex.PutUserHeader(header.Serialize());
_simpleCollectionNextIndex.Put(tableSize-1, new byte[0]);
}
public PersistentHashTable(string hashtableName, int tableSize, int keySize, int valueSize, int userHeaderSize)
{
_simpleCollectionNextIndex = new PersistentNextSpaceArray(hashtableName, keySize + valueSize, userHeaderSize + GetHeaderSize());
HashTableHeader header = new HashTableHeader(tableSize, keySize, valueSize);
_simpleCollectionNextIndex.PutUserHeader(header.Serialize());
_simpleCollectionNextIndex.Put(tableSize - 1, new byte[0]);
}
public void CtorTest()
{
int tableSize = 20;
int keySize = 5;
int valueSize = 10;
HashTableHeader header = new HashTableHeader(tableSize, keySize, valueSize);
Assert.AreEqual(tableSize, header.TableSize);
Assert.AreEqual(keySize, header.KeySize);
Assert.AreEqual(valueSize, header.ValueSize);
}
public void SerializeTest()
{
int tableSize = 20;
int keySize = 5;
int valueSize = 10;
HashTableHeader header = new HashTableHeader(tableSize, keySize, valueSize);
byte[] headerBytes = header.Serialize();
byte[] expected = tableSize.ToBytes().Append(keySize.ToBytes(), valueSize.ToBytes());
TestHelper.AssertByteArraysAreSame(expected, headerBytes);
}
public static int GetHeaderSize()
{
return(HashTableHeader.GetHeaderSize());
}
private HashTableHeader GetHashTableHeader()
{
byte[] fullHeader = _simpleCollectionNextIndex.GetUserHeader();
byte[] myHeader = fullHeader.SubArray(0, GetHeaderSize());
return(HashTableHeader.Deserialize(myHeader));
}
