org.conqat.lib.commons.cache4j.backend.NoneCacheBackend Maven / Gradle / Ivy

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Provides common utility functions

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/*
 * Copyright (c) CQSE GmbH
 *
 * 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 org.conqat.lib.commons.cache4j.backend;

/**
 * Backend that caches nothing.
 */
/* package */class NoneCacheBackend implements ICacheBackend {

	/** {@inheritDoc} */
	@Override
	public void store(K key, V value) {
		// does nothing
	}

	/** {@inheritDoc} */
	@Override
	public V retrieve(K key) {
		return null;
	}

	/** {@inheritDoc} */
	@Override
	public NoneCacheBackend newInstance() {
		return new NoneCacheBackend<>();
	}
}