/**
* @return MetaConfiguration
**/
public function buildSchemaChanges()
{
$out = $this->getOutput();
$out->newLine()->infoLine('Suggested DB-schema changes: ');
require HESPER_META_AUTO_DIR . 'schema.php';
foreach ($this->classes as $class) {
if ($class->getTypeId() == MetaClassType::CLASS_ABSTRACT || $class->getPattern() instanceof EnumerationClassPattern || $class->getPattern() instanceof EnumClassPattern || $class->getPattern() instanceof RegistryClassPattern) {
continue;
}
try {
$target = $schema->getTableByName($class->getTableName());
} catch (MissingElementException $e) {
// dropped or tableless
continue;
}
try {
$db = DBPool::me()->getLink($class->getSourceLink());
} catch (BaseException $e) {
$out->errorLine('Can not connect using source link in \'' . $class->getName() . '\' class, skipping this step.');
break;
}
try {
$source = $db->getTableInfo($class->getTableName());
} catch (UnsupportedMethodException $e) {
$out->errorLine(get_class($db) . ' does not support tables introspection yet.', true);
break;
} catch (ObjectNotFoundException $e) {
$out->errorLine("table '{$class->getTableName()}' not found, skipping.");
continue;
}
$diff = DBTable::findDifferences($db->getDialect(), $source, $target);
if ($diff) {
foreach ($diff as $line) {
$out->warningLine($line);
}
$out->newLine();
}
}
return $this;
}
