Source code for grpc.framework.interfaces.face.utilities

# Copyright 2015 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
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"""Utilities for RPC Framework's Face interface."""

import collections

# stream is referenced from specification in this module.
from grpc.framework.common import cardinality
from grpc.framework.common import style
from grpc.framework.foundation import stream  # pylint: disable=unused-import
from grpc.framework.interfaces.face import face


class _MethodImplementation(face.MethodImplementation,
                            collections.namedtuple('_MethodImplementation', [
                                'cardinality',
                                'style',
                                'unary_unary_inline',
                                'unary_stream_inline',
                                'stream_unary_inline',
                                'stream_stream_inline',
                                'unary_unary_event',
                                'unary_stream_event',
                                'stream_unary_event',
                                'stream_stream_event',
                            ])):
    pass


[docs]def unary_unary_inline(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a unary-unary RPC method as a callable value that takes a request value and an face.ServicerContext object and returns a response value. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.UNARY_UNARY, style.Service.INLINE, behavior, None, None, None, None, None, None, None)
[docs]def unary_stream_inline(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a unary-stream RPC method as a callable value that takes a request value and an face.ServicerContext object and returns an iterator of response values. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.UNARY_STREAM, style.Service.INLINE, None, behavior, None, None, None, None, None, None)
[docs]def stream_unary_inline(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a stream-unary RPC method as a callable value that takes an iterator of request values and an face.ServicerContext object and returns a response value. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.STREAM_UNARY, style.Service.INLINE, None, None, behavior, None, None, None, None, None)
[docs]def stream_stream_inline(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a stream-stream RPC method as a callable value that takes an iterator of request values and an face.ServicerContext object and returns an iterator of response values. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.STREAM_STREAM, style.Service.INLINE, None, None, None, behavior, None, None, None, None)
[docs]def unary_unary_event(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a unary-unary RPC method as a callable value that takes a request value, a response callback to which to pass the response value of the RPC, and an face.ServicerContext. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.UNARY_UNARY, style.Service.EVENT, None, None, None, None, behavior, None, None, None)
[docs]def unary_stream_event(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a unary-stream RPC method as a callable value that takes a request value, a stream.Consumer to which to pass the the response values of the RPC, and an face.ServicerContext. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.UNARY_STREAM, style.Service.EVENT, None, None, None, None, None, behavior, None, None)
[docs]def stream_unary_event(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a stream-unary RPC method as a callable value that takes a response callback to which to pass the response value of the RPC and an face.ServicerContext and returns a stream.Consumer to which the request values of the RPC should be passed. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.STREAM_UNARY, style.Service.EVENT, None, None, None, None, None, None, behavior, None)
[docs]def stream_stream_event(behavior): """Creates an face.MethodImplementation for the given behavior. Args: behavior: The implementation of a stream-stream RPC method as a callable value that takes a stream.Consumer to which to pass the response values of the RPC and an face.ServicerContext and returns a stream.Consumer to which the request values of the RPC should be passed. Returns: An face.MethodImplementation derived from the given behavior. """ return _MethodImplementation(cardinality.Cardinality.STREAM_STREAM, style.Service.EVENT, None, None, None, None, None, None, None, behavior)