1 package DX::Op::ProposeAction;
3 use DX::ObservationRequired;
8 has vars => (is => 'ro', required => 1);
9 has builder => (is => 'ro', required => 1);
11 has _arg_map => (is => 'lazy', builder => sub {
14 +{ map +($name++, $_), @{$self->vars} };
18 my ($self, $state) = @_;
19 ($state, my %args) = $self->_expand_args($state, %{$self->_arg_map});
20 my @vars = @args{sort keys %args};
21 my @deps = $state->action_dependencies(map $_->id, @vars);
22 my $action = $self->builder->(map $state->resolve_value($_), @vars)
23 ->but(dependencies => \@deps);
24 my ($rec_state, $action_id) = $state->record_action($action);
25 my ($fact_type, $value) = $action->expected_effect;
26 my $final_value = $value->but(required_action => $action_id);
27 my $fact_set = $state->facts->{$fact_type}->with_value($final_value);
28 $rec_state->but(facts => { %{$state->facts}, $fact_type => $fact_set })