/**
* Load PhpFlo graph definition.
*
* @param stdClass $definition
* @return \PhpFlo\Graph
*/
public static function loadDefinition($definition)
{
$graph = new Graph($definition->properties->name);
foreach ($definition->processes as $id => $def) {
$graph->addNode($id, $def->component);
}
foreach ($definition->connections as $conn) {
if (isset($conn->data)) {
$graph->addInitial($conn->data, $conn->tgt->process, $conn->tgt->port);
continue;
}
$graph->addEdge($conn->src->process, $conn->src->port, $conn->tgt->process, $conn->tgt->port);
}
return $graph;
}
public static function loadFile($file)
{
if (!file_exists($file)) {
throw new \InvalidArgumentException("File {$file} not found");
}
$definition = @json_decode(file_get_contents($file));
if (!$definition) {
throw new \InvalidArgumentException("Failed to parse PhpFlo graph definition file {$file}");
}
$graph = new Graph($definition->properties->name);
foreach ($definition->processes as $id => $def) {
$graph->addNode($id, $def->component);
}
foreach ($definition->connections as $conn) {
if (isset($conn->data)) {
$graph->addInitial($conn->data, $conn->tgt->process, $conn->tgt->port);
continue;
}
$graph->addEdge($conn->src->process, $conn->src->port, $conn->tgt->process, $conn->tgt->port);
}
return $graph;
}
