48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.adservices.common;
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import android.annotation.NonNull;
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/**
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* Callback interface intended for use when an asynchronous operation may result in a failure. Exact
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* copy of the {@link android.os.OutcomeReceiver} class, re-defined in the AdServices package for
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* backwards compatibility to Android R.
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*
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* <p>This interface may be used in cases where an asynchronous API may complete either with a value
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* or with a {@link Throwable} that indicates an error.
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*
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* @param <R> The type of the result that's being sent.
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* @param <E> The type of the {@link Throwable} that contains more information about the error.
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*/
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public interface AdServicesOutcomeReceiver<R, E extends Throwable> {
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/**
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* Called when the asynchronous operation succeeds and delivers a result value.
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*
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* @param result The value delivered by the asynchronous operation.
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*/
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void onResult(R result);
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/**
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* Called when the asynchronous operation fails. The mode of failure is indicated by the {@link
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* Throwable} passed as an argument to this method.
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*
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* @param error A subclass of {@link Throwable} with more details about the error that occurred.
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*/
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default void onError(@NonNull E error) {}
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}
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