Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/object/composite.h

@@ -0,0 +1,105 @@
+/*
+ * $XConsortium: composite.h /main/4 1996/06/11 17:23:39 cde-hal $
+ *
+ * Copyright (c) 1993 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+#ifndef _composite_h
+#define _composite_h 1
+
+#include "object/root.h"
+#include "storage/page_storage.h"
+#include "object/handler.h"
+
+/******************************************
+* composite object class
+*******************************************/
+class composite: public root
+{
+
+public:
+   NEW_AND_DELETE_SIGNATURES(composite);
+
+   composite(c_code_t c_id = COMPOSITE_CODE);
+   composite(const composite& x);
+   virtual ~composite() {};
+
+// iteration over components
+   virtual int first() const;
+   virtual handler* get_component(int) ;
+   //virtual handler* get_component(oid_t&) ;
+   virtual void next(int& index) const;
+   
+// number of components 
+   virtual int count() const { return v_sz; };
+
+   MMDB_SIGNATURES(composite);
+
+// insert a component
+   virtual Boolean insert_component(const oid_t&) {
+     return true; };
+
+// update a component
+   virtual Boolean update_component(int, const oid_t&) {
+     return true; 
+   };
+
+   void set_mode(obj_mode_t, Boolean);
+
+   Boolean test_io_mode(int mode);
+
+// compacted disk representation In and Out functions
+   virtual int cdr_sizeof();
+   virtual io_status cdrOut(buffer&);
+   virtual io_status cdrIn(buffer&);
+
+
+   Boolean swap_order() {
+     return (storage_ptr) ? storage_ptr -> swap_order() : false;
+   };
+
+
+protected:
+   unsigned int v_sz;  // number of components
+};
+
+typedef composite* compositePtr;
+
+class composite_handler : public handler
+{
+
+public:
+   composite_handler()  {};
+   composite_handler(const oid_t&, storagePtr = 0);
+   virtual ~composite_handler();
+
+   composite* operator ->();
+
+   handler* _get_component(int i);
+};
+
+   
+
+#endif