ReadableConfig.java
/*
* Copyright 2020 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.camera.core.impl;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.util.Set;
/**
* Interface that can be extended to create APIs for reading specific options.
*
* <p>ReadableConfig objects are also {@link Config} objects, so can be passed to any method that
* expects a {@link Config}.
*/
public interface ReadableConfig extends Config {
/**
* Returns the underlying immutable {@link Config} object.
*
* @return The underlying {@link Config} object.
*/
@NonNull
Config getConfig();
@Override
default boolean containsOption(@NonNull Option<?> id) {
return getConfig().containsOption(id);
}
@Override
@Nullable
default <ValueT> ValueT retrieveOption(@NonNull Option<ValueT> id) {
return getConfig().retrieveOption(id);
}
@Override
@Nullable
default <ValueT> ValueT retrieveOption(@NonNull Option<ValueT> id,
@Nullable ValueT valueIfMissing) {
return getConfig().retrieveOption(id, valueIfMissing);
}
@Override
default void findOptions(@NonNull String idSearchString, @NonNull OptionMatcher matcher) {
getConfig().findOptions(idSearchString, matcher);
}
@Override
@NonNull
default Set<Option<?>> listOptions() {
return getConfig().listOptions();
}
@Override
@Nullable
default <ValueT> ValueT retrieveOptionWithPriority(@NonNull Option<ValueT> id,
@NonNull OptionPriority priority) {
return getConfig().retrieveOptionWithPriority(id, priority);
}
@Override
@NonNull
default OptionPriority getOptionPriority(@NonNull Option<?> opt) {
return getConfig().getOptionPriority(opt);
}
@NonNull
@Override
default Set<OptionPriority> getPriorities(@NonNull Option<?> option) {
return getConfig().getPriorities(option);
}
}