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 |
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@@ -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 |