| Index: third_party/google/protobuf/internal/message_listener.py
|
| diff --git a/third_party/google/protobuf/internal/message_listener.py b/third_party/google/protobuf/internal/message_listener.py
|
| deleted file mode 100644
|
| index 1080234da53fee1f58b52fc65e19d01a0c1c479b..0000000000000000000000000000000000000000
|
| --- a/third_party/google/protobuf/internal/message_listener.py
|
| +++ /dev/null
|
| @@ -1,78 +0,0 @@
|
| -# Protocol Buffers - Google's data interchange format
|
| -# Copyright 2008 Google Inc. All rights reserved.
|
| -# http://code.google.com/p/protobuf/
|
| -#
|
| -# Redistribution and use in source and binary forms, with or without
|
| -# modification, are permitted provided that the following conditions are
|
| -# met:
|
| -#
|
| -# * Redistributions of source code must retain the above copyright
|
| -# notice, this list of conditions and the following disclaimer.
|
| -# * Redistributions in binary form must reproduce the above
|
| -# copyright notice, this list of conditions and the following disclaimer
|
| -# in the documentation and/or other materials provided with the
|
| -# distribution.
|
| -# * Neither the name of Google Inc. nor the names of its
|
| -# contributors may be used to endorse or promote products derived from
|
| -# this software without specific prior written permission.
|
| -#
|
| -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
| -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
| -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
| -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| -
|
| -"""Defines a listener interface for observing certain
|
| -state transitions on Message objects.
|
| -
|
| -Also defines a null implementation of this interface.
|
| -"""
|
| -
|
| -__author__ = 'robinson@google.com (Will Robinson)'
|
| -
|
| -
|
| -class MessageListener(object):
|
| -
|
| - """Listens for modifications made to a message. Meant to be registered via
|
| - Message._SetListener().
|
| -
|
| - Attributes:
|
| - dirty: If True, then calling Modified() would be a no-op. This can be
|
| - used to avoid these calls entirely in the common case.
|
| - """
|
| -
|
| - def Modified(self):
|
| - """Called every time the message is modified in such a way that the parent
|
| - message may need to be updated. This currently means either:
|
| - (a) The message was modified for the first time, so the parent message
|
| - should henceforth mark the message as present.
|
| - (b) The message's cached byte size became dirty -- i.e. the message was
|
| - modified for the first time after a previous call to ByteSize().
|
| - Therefore the parent should also mark its byte size as dirty.
|
| - Note that (a) implies (b), since new objects start out with a client cached
|
| - size (zero). However, we document (a) explicitly because it is important.
|
| -
|
| - Modified() will *only* be called in response to one of these two events --
|
| - not every time the sub-message is modified.
|
| -
|
| - Note that if the listener's |dirty| attribute is true, then calling
|
| - Modified at the moment would be a no-op, so it can be skipped. Performance-
|
| - sensitive callers should check this attribute directly before calling since
|
| - it will be true most of the time.
|
| - """
|
| -
|
| - raise NotImplementedError
|
| -
|
| -
|
| -class NullMessageListener(object):
|
| -
|
| - """No-op MessageListener implementation."""
|
| -
|
| - def Modified(self):
|
| - pass
|
|
|