X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/922dfc7b53d90a143c698842a418ec67a70af640..5ade66d0aa29a2fed034a93326a49b2edcd2e7ec:/src/btree.h

diff --git a/src/btree.h b/src/btree.h
index 3f7aecb..ef9f242 100644
--- a/src/btree.h
+++ b/src/btree.h
@@ -73,6 +73,7 @@
 #include "clave_fija.h"
 #include "clave_variable.h"
 #include "btree_data.h"
+#include "exception.h"
 
 /* alias para codear menos :) */
 
@@ -121,7 +122,7 @@ struct BTreeFindResult {
  */
 class BTree {
 	public:
-		BTree (const std::string &filename, unsigned int block_size, int k_t = KEY_FIXED, bool create_new_file = false);
+		BTree (const std::string &filename, unsigned int block_size, int t_t = TYPE_UNIQUE, int k_t = KEY_FIXED, bool create_new_file = false);
 		~BTree ();
 
 		/** Tipos de clave a usar */
@@ -130,6 +131,11 @@ class BTree {
 			KEY_VARIABLE  /**< Utilización de clave de longitud variable */
 		};
 
+		enum {
+			TYPE_UNIQUE,
+			TYPE_SELECTIVE
+		};
+	
 		/** Agrega una nueva clave al árbol. */
 		void AddKey (const Clave &k);
 		/** Elimina una clave del árbol. */
@@ -149,9 +155,11 @@ class BTree {
 		/* Funciones de Baja */
 		void DelKeyR (BTreeData *k, uint node, uint padre);
 		void DelKeyFromLeaf (Clave *k, uint node_num, uint padre);
-		void DelKeyFromOther (const Clave &k, BTreeFindResult *r);
-		void FindB (uint node_num, uint padre, uint &left, uint &right);
+		void DelKeyFromNode (Clave *k, uint node_num, uint padre, uint left, uint right);
+		void FindBrothers (uint node_num, uint padre, uint &left, uint &right);
+		Clave *ReplaceKeyInFather (uint node_num, uint padre, Clave *k);
 		Clave *GetKey (uint node_num, char maxmin);
+		void JoinNodes (uint node1, uint node2, uint padre, int);
 
 		/* Funciones de Búsqueda */
 		BTreeFindResult *FindKeyR (const Clave *k, uint node);
@@ -173,9 +181,14 @@ class BTree {
 		void WriteKeys (uchar *node, BTreeNodeHeader &node_header, std::list<BTreeData *> &keys);
 		void DeleteKeys (std::list<BTreeData *> &keys);
 
+		/* Abreviacion de Claves */
+		void AbrevKey (std::list<BTreeData *> &lst);
+		void DeAbrevKey (std::list<BTreeData *> &lst);
+
 		std::string filename;
 		BTreeFileHeader header;
 		int key_type;
+		int tree_type;
 
 		/** Apunta al archivo de datos, asi se abre solo 1 vez
 		 *