--- parser3/src/classes/hashfile.C 2001/10/24 11:06:26 1.8 +++ parser3/src/classes/hashfile.C 2001/10/27 10:14:45 1.12 @@ -4,7 +4,7 @@ Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) Author: Alexander Petrosyan (http://design.ru/paf) - $Id: hashfile.C,v 1.8 2001/10/24 11:06:26 parser Exp $ + $Id: hashfile.C,v 1.12 2001/10/27 10:14:45 paf Exp $ */ #include "pa_config_includes.h" @@ -37,17 +37,12 @@ static void _open(Request& r, const Stri Pool& pool=r.pool(); VHashfile& self=*static_cast(r.self); - // file_spec - const String &file_spec=params->as_string(0, "filename must be string"); - - self.set_connection( - DB_manager->get_connection( - r.absolute(file_spec), - method_name) + self.assign( + params->as_string(0, "DB_HOME must be string"), + params->as_string(1, "filename must be string") ); } - static void _transaction(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VHashfile& self=*static_cast(r.self); @@ -55,11 +50,11 @@ static void _transaction(Request& r, con // body code Value& body_code=params->as_junction(0, "body must be code"); - // connection - DB_Connection& connection=self.get_connection(&method_name); + // table + DB_Table_ptr table_ptr=self.get_table_ptr(&method_name); // transaction - Auto_transaction transaction(connection); + DB_Transaction transaction(pool, *table_ptr, self.current_transaction); // execute body try { @@ -71,15 +66,6 @@ static void _transaction(Request& r, con } } -static void _clear(Request& r, const String& method_name, MethodParams *params) { - Pool& pool=r.pool(); - - // file_spec - const String &file_spec=params->as_string(0, "filename must be string"); - - DB_manager->clear_dbfile(r.absolute(file_spec)); -} - static void _hash(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); VHashfile& self=*static_cast(r.self); @@ -99,22 +85,19 @@ static void _cache(Request& r, const Str double expires=params->as_double(1, "expires must be number", r); Value& body_code=params->as_junction(2, "body must be code"); - // connection - DB_Connection& connection=self.get_connection(&method_name); - // transaction - Auto_transaction transaction(connection); + DB_Transaction transaction(pool, *self.get_table_ptr(&method_name), self.current_transaction); // execute body try { if(expires) { // 'expires' specified? try cached copy... - if(String *cached_body=connection.get(key)) { // have cached copy? + if(String *cached_body=transaction.get(key)) { // have cached copy? r.write_assign_lang(*cached_body); // happy with it return; } } else // 'expires'=0, forget cached copy - connection.remove(key); + transaction.remove(key); // save Autosave_marked_to_cancel_cache saved(self); @@ -125,7 +108,7 @@ static void _cache(Request& r, const Str // put it to cache if 'expires' specified & never called ^delete[] if(expires && !self.marked_to_cancel_cache()) - connection.put(key, processed_body.as_string(), time(0)+(time_t)expires); + transaction.put(key, processed_body.as_string(), time(0)+(time_t)expires); } catch(...) { // process/commit problem transaction.mark_to_rollback(); @@ -142,10 +125,23 @@ static void _delete(Request& r, const St else { // key const String &key=params->as_string(0, "key must be string"); - // connection - DB_Connection& connection=self.get_connection(&method_name); // remove - connection.remove(key); + self.get_table_ptr(&method_name)->remove(self.current_transaction, key); + } +} + +static void _clear(Request& r, const String& method_name, MethodParams *) { + Pool& pool=r.pool(); + VHashfile& self=*static_cast(r.self); + DB_Cursor cursor( + *self.get_table_ptr(&method_name), + self.current_transaction, &method_name); + + while(true) { + if(!cursor.move(DB_NEXT)) + break; + + cursor.remove(0/*flags*/); } } @@ -154,18 +150,18 @@ static void _delete(Request& r, const St MHashfile::MHashfile(Pool& apool) : Methoded(apool) { set_name(*NEW String(pool(), HASH_CLASS_NAME)); - // ^hashfile::open[filename] - add_native_method("open", Method::CT_DYNAMIC, _open, 1, 1); + // ^hashfile::open[db_home;filename] + add_native_method("open", Method::CT_DYNAMIC, _open, 2, 2); // ^transaction{code} add_native_method("transaction", Method::CT_DYNAMIC, _transaction, 1, 1); - // ^hashfile:clear[filename] - add_native_method("clear", Method::CT_STATIC, _clear, 1, 1); // ^hash[] add_native_method("hash", Method::CT_DYNAMIC, _hash, 0, 0); // ^cache[key](seconds){code} add_native_method("cache", Method::CT_DYNAMIC, _cache, 3, 3); // ^hashfile.delete[key] add_native_method("delete", Method::CT_DYNAMIC, _delete, 0, 1); + // ^hashfile.clear[] + add_native_method("clear", Method::CT_DYNAMIC, _clear, 0, 0); } // global variable