/// <summary>
/// Inserts a new entry into B+ tree, increasing count of all sequent indices.
/// </summary>
/// <param name="services">The services.</param>
/// <param name="index">Index where to insert.</param>
/// <param name="info">The info of object.</param>
public void Insert(Journalling.IService services,
bool before, ObjectInfo info)
{
Block block = services.Read(BlockType.BPlusTreeBlock, rootAddress);
List <ObjectInfo> objects = ExtractObjectsFromLeaf(block);
// We convert all to before.
if (!before)
info.Index--; }
/// <summary>
/// Adds a new entry into B+ tree. If it already exists, exception is thrown.
/// </summary>
/// <param name="services">The services node.</param>
/// <param name="info"></param>
public unsafe void Add(Journalling.IService services, ObjectInfo info)
{
Block block = services.Read(BlockType.BPlusTreeBlock, rootAddress);
List <ObjectInfo> objects = ExtractObjectsFromLeaf(block);
// We check if already exists (may remove this in fitire for performance reasons).
if (objects.Exists(delegate(ObjectInfo other) { return(other.Index == info.Index); }))
{
throw new DatabaseException("Adding to existing location.");
}
// We add the new object and write.
InsertToOrderedCollection(objects, info);
if (!WriteObjectsToLeaf(block, MaxObjectFit(services.BlockSize), objects))
{
throw new NotSupportedException();
}
services.Write(BlockType.BPlusTreeBlock, rootAddress, block);
}
