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/*
* Copyright (C) 2021 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 android.content;
import android.annotation.NonNull;
import android.annotation.Nullable;
import java.util.List;
/**
* Marker interface for a class which can have an {@link AttributionSource}
* assigned to it; these are typically {@link android.os.Parcelable} classes
* which need to be updated after crossing Binder transaction boundaries.
*
* @hide
*/
public interface Attributable {
void setAttributionSource(@NonNull AttributionSource attributionSource);
static @Nullable <T extends Attributable> T setAttributionSource(
@Nullable T attributable,
@NonNull AttributionSource attributionSource) {
if (attributable != null) {
attributable.setAttributionSource(attributionSource);
}
return attributable;
}
static @Nullable <T extends Attributable> List<T> setAttributionSource(
@Nullable List<T> attributableList,
@NonNull AttributionSource attributionSource) {
if (attributableList != null) {
final int size = attributableList.size();
for (int i = 0; i < size; i++) {
setAttributionSource(attributableList.get(i), attributionSource);
}
}
return attributableList;
}
}
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