/**
* Create edges between versions graph
*
* @param Graph $graph
* @param string $className
*/
private function createEdges(Graph $graph, $className)
{
$migrationsAnnotations = $this->reader->getClassMigrationMethodInfo($className);
$parentVertex = $graph->hasVertex($className) ? $graph->getVertex($className) : $graph->createVertex($className);
foreach ($migrationsAnnotations as $migrationsAnnotation) {
if ($migrationsAnnotation->annotation->from) {
$fromClass = $migrationsAnnotation->annotation->from;
$fromVertex = $graph->hasVertex($fromClass) ? $graph->getVertex($fromClass) : $graph->createVertex($fromClass);
if (!$parentVertex->hasEdgeTo($fromVertex)) {
$edge = $fromVertex->createEdgeTo($parentVertex);
$this->annotations[$this->getEdgeId($edge)] = $migrationsAnnotation;
$this->createEdges($graph, $fromClass);
}
}
if ($migrationsAnnotation->annotation->to) {
$toClass = $migrationsAnnotation->annotation->to;
$fromVertex = $graph->hasVertex($toClass) ? $graph->getVertex($toClass) : $graph->createVertex($toClass);
if (!$parentVertex->hasEdgeTo($fromVertex)) {
$edge = $parentVertex->createEdgeTo($fromVertex);
$this->annotations[$this->getEdgeId($edge)] = $migrationsAnnotation;
$this->createEdges($graph, $toClass);
}
}
}
}
/**
* Walks through all migrateFrom functions
* With empty object
*
* @param $fromClassName
* @param $path
* @param $visited
*/
private function migrateFrom($fromClassName, $path = array(), &$visited = array())
{
$migrations = $this->versionReader->getClassMigrationMethodInfo($fromClassName);
// farther version found
$found = true;
/** @var MethodInfo $methodInfo */
foreach ($migrations as $methodInfo) {
if ($methodInfo->annotation->from) {
$migration = array('from' => $methodInfo->annotation->from, 'to' => $fromClassName);
$migrationId = $this->getMigrationId($migration);
if (false === in_array($migrationId, $visited)) {
// mark as visited
array_push($visited, $migrationId);
// add to log for testing
array_push($this->testedMigrations['from'], $migration);
$migrationsPath = $path;
$migrationsPath[] = $methodInfo;
$this->migrateFrom($methodInfo->annotation->from, $migrationsPath, $visited);
$found = false;
}
}
}
if (true === $found) {
$this->migrateFromPath($fromClassName, $path);
}
}
/**
* Migrate object to specified version.
*
* @param mixed $object Object instance.
* @param string $otherVersion Version name.
*
* @throws \LogicException
* @throws Exception\VersionPathNotFoundException
*
* @return mixed Migrated object.
*/
public function migrateToVersion($object, $otherVersion)
{
$className = get_class($object);
if ($className !== $this->className) {
throw new \LogicException('Converter for class "' . $className . '" can not migrate "' . $className . '" objects.');
}
$otherVersionClassName = $this->reader->getClassNameByVersion($className, $otherVersion);
if ($otherVersionClassName) {
$object = $this->migrateToClass($object, $otherVersionClassName);
}
return $object;
}
public function testGetClassNameByVersion()
{
$versionReader = new VersionReader(new AnnotationReader());
$this->assertEquals('Evispa\\ObjectMigration\\Tests\\Mock\\MockCodeV4', $versionReader->getClassNameByVersion('Evispa\\ObjectMigration\\Tests\\Mock\\MockCodeV1', 'vnd.evispa.simple-code.v4'));
}
