blob: 2a2dc9bf198d517599f1d4a95c32c5faccd01cfd [file] [log] [blame]
/*
* Copyright (C) 2017 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 com.android.documentsui.base;
/**
* Lookup that always returns null.
* @param <K> input type (the "key") which implements {@link Lookup}.
* @param <V> output type (the "value") which implements {@link Lookup}.
*/
public final class StubLookup<K, V> implements Lookup<K, V> {
@Override
public V lookup(K key) {
return null;
}
}