io.grpc.stub.AbstractFutureStub Maven / Gradle / Ivy
/*
* Copyright 2019 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.stub;
import io.grpc.CallOptions;
import io.grpc.Channel;
import io.grpc.stub.ClientCalls.StubType;
import javax.annotation.CheckReturnValue;
import javax.annotation.concurrent.ThreadSafe;
/**
* Stub implementations for future stubs.
*
* DO NOT MOCK: Customizing options doesn't work properly in mocks. Use InProcessChannelBuilder
* to create a real channel suitable for testing. It is also possible to mock Channel instead.
*
* @since 1.26.0
*/
@ThreadSafe
@CheckReturnValue
public abstract class AbstractFutureStub> extends AbstractStub {
protected AbstractFutureStub(Channel channel, CallOptions callOptions) {
super(channel, callOptions);
}
/**
* Returns a new future stub with the given channel for the provided method configurations.
*
* @since 1.26.0
* @param factory the factory to create a future stub
* @param channel the channel that this stub will use to do communications
*/
public static > T newStub(
StubFactory factory, Channel channel) {
return newStub(factory, channel, CallOptions.DEFAULT);
}
/**
* Returns a new future stub with the given channel for the provided method configurations.
*
* @since 1.26.0
* @param factory the factory to create a future stub
* @param channel the channel that this stub will use to do communications
* @param callOptions the runtime call options to be applied to every call on this stub
* @return a future stub
*/
public static > T newStub(
StubFactory factory, Channel channel, CallOptions callOptions) {
T stub = factory.newStub(
channel, callOptions.withOption(ClientCalls.STUB_TYPE_OPTION, StubType.FUTURE));
assert stub instanceof AbstractFutureStub
: String.format("Expected AbstractFutureStub, but got %s.", stub.getClass());
return stub;
}
}