original_string: public function deleteAllDocumentTables()
      {
          foreach ($this->metadataFactory->getAllMetadata() as $class) {
              if ($class->isMappedSuperclass || $class->isEmbeddedDocument || (count($class->parentClassNames) && $class->inheritanceType == ClassMetadata::INHERITANCE_TYPE_SINGLE_TABLE)) {
                  continue;
              }
  
              $this->deleteDocumentTableFor($class->name);
          }
      }
code: public function deleteAllDocumentTables()
      {
          foreach ($this->metadataFactory->getAllMetadata() as $class) {
              if ($class->isMappedSuperclass || $class->isEmbeddedDocument || (count($class->parentClassNames) && $class->inheritanceType == ClassMetadata::INHERITANCE_TYPE_SINGLE_TABLE)) {
                  continue;
              }
  
              $this->deleteDocumentTableFor($class->name);
          }
      }
code_tokens: public function deleteAllDocumentTables ( ) { foreach ( $ this -> metadataFactory -> getAllMetadata ( ) as $ class ) { if ( $ class -> isMappedSuperclass || $ class -> isEmbeddedDocument || ( count ( $ class -> parentClassNames ) && $ class -> inheritanceType == ClassMetadata :: INHERITANCE_TYPE_SINGLE_TABLE ) ) { continue ; } $ this -> deleteDocumentTableFor ( $ class -> name ) ; } }
docstring: Delete all tables for document classes known to DynamoDM.
  
  @return void
docstring_tokens: Delete all tables for document classes known to DynamoDM .