Add NULL persister for volatile workflows, #269

core/server/MANIFEST

@@ -327,6 +327,7 @@ OpenXPKI/Server/Workflow/Activity/SmartCard/GenerateActivationCode.pm
 OpenXPKI/Server/Workflow/Activity/SmartCard/GetOwnerByCardID.pm
 
 
+OpenXPKI/Server/Workflow/Persister/Null.pm
 OpenXPKI/Server/Workflow/Persister/DBI.pm
 OpenXPKI/Server/Workflow/Persister/DBI/SequenceId.pm
 

core/server/OpenXPKI/Server/Workflow/Persister/Null.pm

@@ -0,0 +1,83 @@
+# OpenXPKI::Server::Workflow::Persister::Null
+
+package OpenXPKI::Server::Workflow::Persister::Null;
+
+use strict;
+use base qw( Workflow::Persister );
+use utf8;
+use English;
+
+use OpenXPKI::Debug;
+
+use OpenXPKI::Server::Context qw( CTX );
+use OpenXPKI::Exception;
+
+sub init {
+    my $self = shift;
+    my $params = shift;
+
+    $self->SUPER::init( $params );
+
+    return; # no useful return value
+}
+
+sub create_workflow {
+    my $self = shift;
+    my $workflow = shift;
+    ##! 1: "create volatile workflow"
+
+    CTX('log')->log(
+        MESSAGE  => "Created volatile workflow for type ".$workflow->type(),
+        PRIORITY => "info",
+        FACILITY => "workflow"
+    );
+
+    return 0;
+}
+
+sub update_workflow {
+    my $self = shift;
+    my $workflow = shift;
+
+    ##! 1: "update_workflow"
+    return 1;
+}
+
+sub fetch_workflow {
+
+    OpenXPKI::Exception->throw(
+        message => 'I18N_OPENXPKI_SERVER_WORKFLOW_FETCH_WORKFLOW_NOT_POSSBILE_WITH_NULL_PERSISTER',
+    );
+
+}
+
+
+sub create_history {
+    my $self = shift;
+    my $workflow = shift;
+    return ();
+}
+
+
+sub fetch_history {
+
+    return ();
+}
+
+
+1;
+__END__
+
+=head1 Name
+
+OpenXPKI::Server::Workflow::Persister::Null
+
+=head1 Description
+
+B<THIS IS AN EXPERIMENTAL FEATURE>
+
+This class provides a persister for "throw away" workflows. Those are not
+persisted and therefore are only useable for "one shot" operations.
+Be aware that you loose all workflow related data once the workflows ends!
+
+