edu.wisc.library.ocfl.core.cache.NoOpCache Maven / Gradle / Ivy
/*
* The MIT License (MIT)
*
* Copyright (c) 2019 University of Wisconsin Board of Regents
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package edu.wisc.library.ocfl.core.cache;
import java.util.function.Function;
/**
* Pass-through cache implementation that never caches.
*/
public class NoOpCache implements Cache {
@Override
public V get(K key, Function loader) {
return loader.apply(key);
}
@Override
public void put(K key, V value) {
// no op
}
@Override
public void invalidate(K key) {
// no op
}
@Override
public void invalidateAll() {
// no op
}
@Override
public boolean contains(K key) {
return false;
}
}