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Diffstat (limited to 'generator/google/protobuf/service.py')
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diff --git a/generator/google/protobuf/service.py b/generator/google/protobuf/service.py deleted file mode 100644 index 9e00de7..0000000 --- a/generator/google/protobuf/service.py +++ /dev/null @@ -1,226 +0,0 @@ -# Protocol Buffers - Google's data interchange format -# Copyright 2008 Google Inc. All rights reserved. -# https://developers.google.com/protocol-buffers/ -# -# 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. - -"""DEPRECATED: Declares the RPC service interfaces. - -This module declares the abstract interfaces underlying proto2 RPC -services. These are intended to be independent of any particular RPC -implementation, so that proto2 services can be used on top of a variety -of implementations. Starting with version 2.3.0, RPC implementations should -not try to build on these, but should instead provide code generator plugins -which generate code specific to the particular RPC implementation. This way -the generated code can be more appropriate for the implementation in use -and can avoid unnecessary layers of indirection. -""" - -__author__ = 'petar@google.com (Petar Petrov)' - - -class RpcException(Exception): - """Exception raised on failed blocking RPC method call.""" - pass - - -class Service(object): - - """Abstract base interface for protocol-buffer-based RPC services. - - Services themselves are abstract classes (implemented either by servers or as - stubs), but they subclass this base interface. The methods of this - interface can be used to call the methods of the service without knowing - its exact type at compile time (analogous to the Message interface). - """ - - def GetDescriptor(): - """Retrieves this service's descriptor.""" - raise NotImplementedError - - def CallMethod(self, method_descriptor, rpc_controller, - request, done): - """Calls a method of the service specified by method_descriptor. - - If "done" is None then the call is blocking and the response - message will be returned directly. Otherwise the call is asynchronous - and "done" will later be called with the response value. - - In the blocking case, RpcException will be raised on error. - - Preconditions: - * method_descriptor.service == GetDescriptor - * request is of the exact same classes as returned by - GetRequestClass(method). - * After the call has started, the request must not be modified. - * "rpc_controller" is of the correct type for the RPC implementation being - used by this Service. For stubs, the "correct type" depends on the - RpcChannel which the stub is using. - - Postconditions: - * "done" will be called when the method is complete. This may be - before CallMethod() returns or it may be at some point in the future. - * If the RPC failed, the response value passed to "done" will be None. - Further details about the failure can be found by querying the - RpcController. - """ - raise NotImplementedError - - def GetRequestClass(self, method_descriptor): - """Returns the class of the request message for the specified method. - - CallMethod() requires that the request is of a particular subclass of - Message. GetRequestClass() gets the default instance of this required - type. - - Example: - method = service.GetDescriptor().FindMethodByName("Foo") - request = stub.GetRequestClass(method)() - request.ParseFromString(input) - service.CallMethod(method, request, callback) - """ - raise NotImplementedError - - def GetResponseClass(self, method_descriptor): - """Returns the class of the response message for the specified method. - - This method isn't really needed, as the RpcChannel's CallMethod constructs - the response protocol message. It's provided anyway in case it is useful - for the caller to know the response type in advance. - """ - raise NotImplementedError - - -class RpcController(object): - - """An RpcController mediates a single method call. - - The primary purpose of the controller is to provide a way to manipulate - settings specific to the RPC implementation and to find out about RPC-level - errors. The methods provided by the RpcController interface are intended - to be a "least common denominator" set of features which we expect all - implementations to support. Specific implementations may provide more - advanced features (e.g. deadline propagation). - """ - - # Client-side methods below - - def Reset(self): - """Resets the RpcController to its initial state. - - After the RpcController has been reset, it may be reused in - a new call. Must not be called while an RPC is in progress. - """ - raise NotImplementedError - - def Failed(self): - """Returns true if the call failed. - - After a call has finished, returns true if the call failed. The possible - reasons for failure depend on the RPC implementation. Failed() must not - be called before a call has finished. If Failed() returns true, the - contents of the response message are undefined. - """ - raise NotImplementedError - - def ErrorText(self): - """If Failed is true, returns a human-readable description of the error.""" - raise NotImplementedError - - def StartCancel(self): - """Initiate cancellation. - - Advises the RPC system that the caller desires that the RPC call be - canceled. The RPC system may cancel it immediately, may wait awhile and - then cancel it, or may not even cancel the call at all. If the call is - canceled, the "done" callback will still be called and the RpcController - will indicate that the call failed at that time. - """ - raise NotImplementedError - - # Server-side methods below - - def SetFailed(self, reason): - """Sets a failure reason. - - Causes Failed() to return true on the client side. "reason" will be - incorporated into the message returned by ErrorText(). If you find - you need to return machine-readable information about failures, you - should incorporate it into your response protocol buffer and should - NOT call SetFailed(). - """ - raise NotImplementedError - - def IsCanceled(self): - """Checks if the client cancelled the RPC. - - If true, indicates that the client canceled the RPC, so the server may - as well give up on replying to it. The server should still call the - final "done" callback. - """ - raise NotImplementedError - - def NotifyOnCancel(self, callback): - """Sets a callback to invoke on cancel. - - Asks that the given callback be called when the RPC is canceled. The - callback will always be called exactly once. If the RPC completes without - being canceled, the callback will be called after completion. If the RPC - has already been canceled when NotifyOnCancel() is called, the callback - will be called immediately. - - NotifyOnCancel() must be called no more than once per request. - """ - raise NotImplementedError - - -class RpcChannel(object): - - """Abstract interface for an RPC channel. - - An RpcChannel represents a communication line to a service which can be used - to call that service's methods. The service may be running on another - machine. Normally, you should not use an RpcChannel directly, but instead - construct a stub {@link Service} wrapping it. Example: - - Example: - RpcChannel channel = rpcImpl.Channel("remotehost.example.com:1234") - RpcController controller = rpcImpl.Controller() - MyService service = MyService_Stub(channel) - service.MyMethod(controller, request, callback) - """ - - def CallMethod(self, method_descriptor, rpc_controller, - request, response_class, done): - """Calls the method identified by the descriptor. - - Call the given method of the remote service. The signature of this - procedure looks the same as Service.CallMethod(), but the requirements - are less strict in one important way: the request object doesn't have to - be of any specific class as long as its descriptor is method.input_type. - """ - raise NotImplementedError |