/// <summary>
/// Given the segment id, return the offset, and the length of the segment related to the disk file.
/// </summary>
/// <param name="segId"></param>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <returns></returns>
public bool GetAddr(uint segId, ref uint offset, ref int length)
{
KSegId target = new KSegId(segId);
target = (KSegId)m_tree.Search(target);
if (target != null && target.Addr != null)
{
offset = target.Addr.Offset;
length = target.Addr.Length;
return true;
}
else
return false;
}
/// <summary>
/// Given the segment id, return the offset, and the length of the segment related to the disk file.
/// </summary>
/// <param name="segId"></param>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <returns></returns>
public bool GetAddr(uint segId, ref uint offset, ref int length)
{
KSegId target = new KSegId(segId);
target = (KSegId)m_tree.Search(target);
if (target != null && target.Addr != null)
{
offset = target.Addr.Offset;
length = target.Addr.Length;
return(true);
}
else
{
return(false);
}
}
public IKey Deserialize(byte[] bytes, int offset, int count)
{
KSegId result = null;
int pos = offset;
uint id = OOD.Utility.Bytes.Unpack4U(bytes, pos);
pos += 4;
if (count == 4)
{
result = new KSegId(id);
}
else
{
int length = OOD.Utility.Bytes.Unpack2(bytes, pos);
pos += 2;
DSegAddr addr = new DSegAddr();
addr = (DSegAddr)addr.Deserialize(bytes, pos, length);
result = new KSegId(id, addr);
}
return(result);
}
public bool DeleteSegment(uint segId)
{
KSegId target = new KSegId(segId);
return(m_tree.Delete(target));
}
public bool UpdateAddr(uint segId, uint offset, int length)
{
KSegId updatedKey = new KSegId(segId, new DSegAddr(offset, length));
return(m_tree.UpdateData(updatedKey));
}
public bool InsertAddr(uint segId, uint offset, int length)
{
KSegId newKey = new KSegId(segId, new DSegAddr(offset, length));
return(m_tree.Insert(newKey));
}
public IKey Deserialize(byte[] bytes, int offset, int count)
{
KSegId result = null;
int pos = offset;
uint id = OOD.Utility.Bytes.Unpack4U(bytes, pos);
pos += 4;
if (count == 4)
{
result = new KSegId(id);
}
else
{
int length = OOD.Utility.Bytes.Unpack2(bytes, pos);
pos += 2;
DSegAddr addr = new DSegAddr();
addr = (DSegAddr)addr.Deserialize(bytes, pos, length);
result = new KSegId(id, addr);
}
return result;
}
public int CompareTo(IKey B)
{
KSegId b = (KSegId)B;
return((int)(m_id - b.m_id));
}
public bool DeleteSegment(uint segId)
{
KSegId target = new KSegId(segId);
return m_tree.Delete(target);
}
public bool UpdateAddr(uint segId, uint offset, int length)
{
KSegId updatedKey = new KSegId(segId, new DSegAddr(offset, length));
return m_tree.UpdateData(updatedKey);
}
public bool InsertAddr(uint segId, uint offset, int length)
{
KSegId newKey = new KSegId(segId, new DSegAddr(offset, length));
return m_tree.Insert(newKey);
}
