EspressoRemoteMessage.java
/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 androidx.test.espresso.remote;
/**
* Transforms an Espresso remote message from and to a proto message. TODO: Once this API is stable
* document on how and when these IFs need to be implemented
*/
public interface EspressoRemoteMessage {
/**
* Transforms a class implementing this interface to a proto message.
*
* @param <M> This describes my type parameter M. M should either extend {@link
* com.google.protobuf.MessageLite} or enum message
*/
interface To<M> {
M toProto();
}
/**
* Transforms a proto message of type M into a class of type T. M should either extend
*
* @param <T> Type parameter T represent the return type of the transformation, typically a
* ViewMatcher, ViewAction or ViewAssertion.
* @param <M> Type parameter M should either extend {@link com.google.protobuf.MessageLite} or
* enum message
*/
interface From<T, M> {
T fromProto(M message);
}
}