Island: Add class docstrings for IFileRepository decorators

monkey/monkey_island/cc/repository/file_repository_caching_decorator.py

@@ -7,6 +7,10 @@ from . import IFileRepository
 
 
 class FileRepositoryCachingDecorator(IFileRepository):
+    """
+    An IFileRepository decorator that provides caching for other IFileRepositories.
+    """
+
     def __init__(self, file_repository: IFileRepository):
         self._file_repository = file_repository
 

monkey/monkey_island/cc/repository/file_repository_locking_decorator.py

@@ -6,6 +6,10 @@ from . import IFileRepository
 
 
 class FileRepositoryLockingDecorator(IFileRepository):
+    """
+    An IFileRepository decorator that makes other IFileRepositories thread-safe.
+    """
+
     def __init__(self, file_repository: IFileRepository):
         self._file_repository = file_repository
         self._rwlock = rwlock.RWLockFair()

monkey/monkey_island/cc/repository/file_repository_logging_decorator.py

@@ -7,6 +7,10 @@ logger = logging.getLogger(__name__)
 
 
 class FileRepositoryLoggingDecorator(IFileRepository):
+    """
+    An IFileRepository decorator that provides debug logging for other IFileRepositories.
+    """
+
     def __init__(self, file_repository: IFileRepository):
         self._file_repository = file_repository