From 9a0e1c806c57cfc40d7a1e3145933754d335db37 Mon Sep 17 00:00:00 2001
From: augusto <augusto@c028cbd2-c16b-5b4b-a496-9718f37d4682>
Date: Mon, 28 Jul 1997 09:41:46 +0000
Subject: [PATCH] Introduzione funzione readat e modifica funzione read using: 
 funzione virtual synchronize_bodies

git-svn-id: svn://10.65.10.50/trunk@4951 c028cbd2-c16b-5b4b-a496-9718f37d4682
---
 include/multirec.cpp | 21 +++++++++++++++++++--
 include/multirec.h   |  8 ++++++--
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/include/multirec.cpp b/include/multirec.cpp
index 0165720b7..65966d48f 100755
--- a/include/multirec.cpp
+++ b/include/multirec.cpp
@@ -137,7 +137,7 @@ TRecord_array & TMultiple_rectype::body(int logicnum) const
 {
   const int index = log2ind(logicnum);
 
-  if (_files.objptr(index) == NULL || _changed[index])
+  if (_files.objptr(index) == NULL ||   _changed[index])
     ((TMultiple_rectype *) this)->load_rows_file(_logicnums[index]);
   return (TRecord_array &) _files[index];
 }
@@ -184,6 +184,15 @@ void TMultiple_rectype::zero(char c)
       ((TRecord_array &)_files[i]).destroy_rows();
 }
 
+int TMultiple_rectype::readat(TBaseisamfile& f, TRecnotype nrec, word lockop)
+{
+  int err = NOERR;
+
+  _nuovo = FALSE;
+  err = TRectype::readat(f, nrec, lockop);
+  synchronize_bodies();
+  return err;
+}
 
 int TMultiple_rectype::read(TBaseisamfile & f, word op, word lockop)
 {
@@ -203,6 +212,13 @@ int TMultiple_rectype::read(TBaseisamfile & f, word op, word lockop)
   }                
   else
     err = TRectype::read(f, op, lockop);
+  synchronize_bodies();
+  return err;
+}
+
+
+void TMultiple_rectype::synchronize_bodies()
+{
   for (int i = _nfiles - 1; i >= 0 ; i--)
   {
     if (_nuovo)          
@@ -226,9 +242,10 @@ int TMultiple_rectype::read(TBaseisamfile & f, word op, word lockop)
           _changed[i] = TRUE;
     }
   }
-  return err;
 }
 
+
+
 int TMultiple_rectype::remove(TBaseisamfile & f) const
 {
   int err = NOERR;
diff --git a/include/multirec.h b/include/multirec.h
index 16f61261d..5fdc2a294 100755
--- a/include/multirec.h
+++ b/include/multirec.h
@@ -60,6 +60,8 @@ protected:
 
   // @cmember Associa un file a quello principale
   void add_file(int logicnum, const char * numfield);
+  // @cmember sincronizza tutti i body (li legge, se necessario) in seguito ad una lettura della testata
+  virtual void synchronize_bodies();
 public:
   //***********************
   // struttura
@@ -90,9 +92,9 @@ public:
   TRectype & new_row(int logicnum = 0);
 
   // @cmember Abilita il caricamento del corpo <par lognum> insieme alla testata
-  void enable_autoload(int lognum,bool on =TRUE);
+  void enable_autoload(int lognum = 0 ,bool on =TRUE);
   // @cmember Restituisce il flag di caricamento del corpo <par lognum> insieme alla testata
-  bool autoload_enabled(int lognum);
+  bool autoload_enabled(int lognum =0 );
 
   //***********************
   // record e I/O
@@ -106,6 +108,8 @@ public:
 
   virtual int read(TRectype & rec, word op = _isequal, word lockop = _nolock) {TLocalisamfile f(num()); *this = rec; return read(f, op, lockop); }
   virtual int read(word op = _isequal, word lockop = _nolock) { TLocalisamfile f(num()); return read(f, op, lockop); }
+  // @cmember Legge il file <p f> con il tipo di record alla posizione desiderata
+  virtual int readat(TBaseisamfile& f, TRecnotype nrec, word lockop = _nolock);
   int read(TBaseisamfile & f, word op = _isequal, word lockop = _nolock);
 
   virtual int write(TBaseisamfile& f) const { return write_rewrite(f);}