/**
* {@inheritdoc}
*
* Given the following $namespaces passed in the constructor:
* - Taz (lowest priority)
* - Bar
* - Foo (highest priority)
*
* Will produce the following results based on the migration's FQCN:
* - (Foo\v200012, Bar\v201612) => -1
* - (Taz\v201612, Foo\v200012) => 1
* - (FooBar\v201612, Taz\v200012) => 1
* - (Taz\v201612, Taz\v201601) => delegate to fallback
* - (FooBar\v201612, FooBar\v200012) => delegate to fallback
*
* @param DeltaInterface $version1
* @param DeltaInterface $version2
*
* @return int
*
* @throws InvalidArgumentException
*/
public function compare(DeltaInterface $version1, DeltaInterface $version2)
{
$class1 = $version1->getMigrationClassName();
$class2 = $version2->getMigrationClassName();
if ($class1 === $class2) {
// exit early in this case
return 0;
}
$res = $this->compareNamespaces($class1, $class2);
// null = could not determine order | zero = both orders are equal
if (empty($res)) {
// delegate sorting to the fallback comparator
$res = call_user_func($this->fallbackComparator, $version1, $version2);
}
return $res;
}
/**
* @inheritdoc
*/
public function compare(DeltaInterface $version1, DeltaInterface $version2)
{
return strcmp($version1->getMigrationClassName(), $version2->getMigrationClassName());
}
