001package org.cache2k;
002
003/*
004 * #%L
005 * cache2k API
006 * %%
007 * Copyright (C) 2000 - 2016 headissue GmbH, Munich
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import org.cache2k.expiry.ValueWithExpiryTime;
024
025/**
026 * If object implements {@link ValueWithNextRefreshTime} then the next refresh time
027 * is fetched from the object. If not, the default linger time is used by the cache.
028 *
029 * @author Jens Wilke; created: 2013-05-02
030 * @deprecated See, {@link ValueWithExpiryTime}
031 */
032public final class AutoEntryRefreshController<T> implements RefreshController<T> {
033
034  public static final AutoEntryRefreshController INSTANCE = new AutoEntryRefreshController();
035
036  @Override
037  public long calculateNextRefreshTime(
038    T _oldObject,
039    T _newObject,
040    long _timeOfLastRefresh, long now) {
041    if (_newObject instanceof ValueWithNextRefreshTime) {
042      return ((ValueWithNextRefreshTime) _newObject).getNextRefreshTime();
043    }
044    return Long.MAX_VALUE;
045  }
046
047}