protected function getPayloadIdentifier(ProcessStateInterface $process_state)
{
$identifier_path = $this->options->get('identifier_payload_path', false);
$jmes_path_runtime = new AstRuntime();
$identifier = $jmes_path_runtime($identifier_path, $process_state->getPayload());
if (!$identifier) {
throw new RuntimeError('Unable to resolve required "identifier" from payload-path:' . $identifier_path . ' within ' . $process_state->getExecutionContext()->getStateMachineName());
}
return $identifier;
}
protected function getStateMachineState(ProcessStateInterface $process_state)
{
$state = null;
if ($state_name = $process_state->getStateName()) {
$state = $this->state_machine->getState($state_name);
if (!$state) {
throw new RuntimeError('Process state can not be resolved: ' . $state_name);
}
}
return $state;
}
protected function createCommands(ProcessStateInterface $process_state)
{
$commands = [];
$payload = $process_state->getPayload();
foreach ($payload['affected_entities'] as $affected_entity) {
$origin_state = $payload['origin_state'];
$type_prefix = $affected_entity['type_prefix'];
// @todo handling for transition based on type as well as state
$transitions = $this->transition_map->get($type_prefix);
if (isset($transitions[$origin_state])) {
$command_class = $transitions['command'];
$aggregate_root_type = $this->aggregate_root_type_map->getItem($type_prefix);
$commands[] = new $command_class(['aggregate_root_type' => get_class($aggregate_root_type), 'aggregate_root_identifier' => $affected_entity['identifier'], 'known_revision' => $affected_entity['revision'], 'current_state_name' => $affected_entity['state'], 'event_name' => $transitions[$origin_state]]);
}
}
return $commands;
}
protected function runProcess(ProcessStateInterface $process_state, EventInterface $event = null)
{
$process = $this->process_map->getItem($process_state->getProcessName());
if (!$process->hasFinished($process_state)) {
$commands = $process->proceed($process_state, $event);
$this->persistProcessState($process_state);
$this->stack_depth++;
if ($commands instanceof CommandList && !$commands->isEmpty()) {
foreach ($commands as $command) {
$this->command_bus->post($command);
}
}
$this->stack_depth--;
} else {
throw new RuntimeError('The given process has already completed and may not be run again.');
}
if ($this->hasCompleted($process_state) && $this->stack_depth === 0) {
$resulting_process_state = $this->purgeProcessState($process_state->getUuid());
} else {
$resulting_process_state = $this->readProcessState($process_state->getUuid());
}
return $resulting_process_state;
}
protected function getProjection(ProcessStateInterface $process_state)
{
return $process_state->getExecutionContext()->getParameter($this->options->get('projection_key'));
}
