xref: /frameworks/base/core/java/android/hardware/camera2/impl/SyntheticKey.java

/*
 * Copyright (C) 2014 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.hardware.camera2.impl;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Denote a static field {@code Key} as being synthetic (i.e. not having a native
 * tag one-to-one counterpart).
 *
 * <p>Keys without this annotated are assumed to always have a native counter-part.</p>
 *
 * <p>In particular a key with a native counter-part will always have it's {@code #getTag}
 * method succeed.</p>
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface SyntheticKey {

}