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Groovy: A powerful, dynamic language for the JVM

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/*
 * Copyright 2003-2010 the original author or authors.
 *
 * 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.codehaus.groovy.runtime.memoize;

/**
 * A NullObject pattern implementation for ProtectionStorage
 * Doesn't protect any resources.
 * Used when the user doesn't mind to eventually have the whole memoize cache emptied by gc.
 *
 * @author Vaclav Pech
 */
public final class NullProtectionStorage implements ProtectionStorage{

    /**
     * Does nothing
     *
     * @param key   The key of the element to renew
     * @param value A value to newly associate with the key
     */
    public void touch(final Object key, final Object value) { }
}