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|
%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1999-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% File : CosTransactions_TransactionFactory_impl.erl
%% Purpose : Is provided to allow the transaction originator to begin
%% a transaction.
%%----------------------------------------------------------------------
-module('CosTransactions_TransactionFactory_impl').
%%--------------- INCLUDES -----------------------------------
-include_lib("orber/include/corba.hrl").
%% Local
-include_lib("ETraP_Common.hrl").
-include_lib("CosTransactions.hrl").
%%--------------- IMPORTS-------------------------------------
-import('ETraP_Common', [get_option/3]).
%%--------------- EXPORTS-------------------------------------
-export([create/3, recreate/3, init/1, terminate/2]).
-export([handle_call/3, handle_cast/2, handle_info/2, code_change/3]).
%%--------------- LOCAL DATA ---------------------------------
-record(factory, {hashMax, subtrOK, typeCheck, maxRetries, comFailWait}).
%%--------------- LOCAL DEFINITIONS --------------------------
%%------------------------------------------------------------
%% function : init
%% Arguments:
%% Returns :
%% Effect : Functions demanded by the module ic. Used to initiate
%% a gen_server.
%%------------------------------------------------------------
init(Options) when is_list(Options) ->
?debug_print("Factory:init(~p)~n", [Options]),
process_flag(trap_exit,true),
DefaultValues = [{maxRetries, ?tr_max_retries},
{comFailWait, ?tr_comm_failure_wait}|?tr_FAC_DEF],
Hash = get_option(hash_max, Options, DefaultValues),
SubtrOK = get_option(allow_subtr, Options, DefaultValues),
TypeCheck = get_option(typecheck, Options, DefaultValues),
TTY = get_option(tty, Options, DefaultValues),
LogFile = get_option(logfile, Options, DefaultValues),
MaxRetries = get_option(maxRetries, Options, DefaultValues),
ComFailWait = get_option(comFailWait, Options, DefaultValues),
error_logger:tty(TTY),
case LogFile of
false ->
ok;
_->
error_logger:logfile({open, LogFile})
end,
{ok, #factory{typeCheck = TypeCheck, hashMax = Hash, subtrOK = SubtrOK,
maxRetries = MaxRetries, comFailWait = ComFailWait}};
init(Options) ->
?tr_error_msg("TransactionFactory~nBad argument: ~p~n", [Options]),
corba:raise(?tr_badparam).
%%------------------------------------------------------------
%% function : terminate
%% Arguments:
%% Returns :
%% Effect : Function demanded by the module ic. Used to
%% terminate a gen_server.
%%------------------------------------------------------------
terminate(_Reason, _State) ->
?debug_print("Factory:terminate(~p)~n", [_Reason]),
ok.
%%------------------------------------------------------------
%% function : handle_call, handle_cast, handle_info, code_change
%% Arguments:
%% Returns :
%% Effect : Functions demanded by the module ic.
%%------------------------------------------------------------
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
handle_call(_,_, State) ->
{noreply, State}.
handle_cast(_, State) ->
{noreply, State}.
handle_info({'EXIT',_From,shutdown}, State) ->
?debug_print("Factory:handle_info(~p)~n", [shutdown]),
{stop, shutdown, State};
handle_info(_Info, State) ->
?debug_print("Factory:handle_info(~p)~n", [_Info]),
{noreply, State}.
%%------------------------------------------------------------
%% function : create
%% Arguments: TimeOut - rollback the transaction after TimeOut
%% seconds. If 0 no timeout.
%% Returns : a Control object
%% Effect : Creates a new top-level transaction. The Control
%% can be used to manage or control participation
%% in the new transaction. Used for direct context
%% management.
%%------------------------------------------------------------
create(_Self, State, TimeOut) when is_integer(TimeOut) ->
%% Generate objectnames.
ETraPName = 'ETraP_Common':create_name("root"),
TermName = 'ETraP_Common':create_name("term"),
EState = ?tr_create_context(ETraPName, TermName,
State#factory.typeCheck,
State#factory.hashMax,
State#factory.subtrOK,
State#factory.maxRetries,
State#factory.comFailWait),
case TimeOut of
0 ->
ETraP = ?tr_start_child(?SUP_ETRAP(EState)),
{reply, ETraP, State};
_ ->
if
TimeOut > 0 ->
{MegaSecs, Secs, _Microsecs} = erlang:now(),
EState2 = ?tr_set_alarm(EState, MegaSecs*1000000+Secs+TimeOut),
EState3 = ?tr_set_timeout(EState2, TimeOut*1000),
ETraP = ?tr_start_child(?SUP_ETRAP(EState3)),
{reply, ETraP, State};
true ->
?tr_error_msg("TransactionFactory:create( Integer >= 0 )~nBad argument. Not an integer.~n", []),
corba:raise(?tr_badparam)
end
end;
create(_Self, _State, _TimeOut) ->
?tr_error_msg("TransactionFactory:create( Integer >= 0 )~nBad argument. Not an integer.~n", []),
corba:raise(?tr_badparam).
%%------------------------------------------------------------
%% function : recreate
%% Arguments: PropagationContext
%% Returns : a Control object
%% Effect :
%%------------------------------------------------------------
recreate(_Self, _State, #'CosTransactions_PropagationContext'{current = _C}) ->
corba:raise(#'NO_IMPLEMENT'{completion_status=?COMPLETED_YES}).
%recreate(Self, State, #'CosTransactions_PropagationContext'{current = C}) ->
% {reply, C#'CosTransactions_TransIdentity'.coord, State}.
%%--------------- END OF MODULE ------------------------------
|
