content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.alibaba.cloudapp.api.cache.interceptors;
  
  import org.springframework.data.redis.core.RedisTemplate;
  
  import java.util.Arrays;
  import java.util.Collection;
  
  public abstract class CacheDiskInterceptor {
  
      public RedisTemplate template;
  
      /**
       * Set key to expire at {@code millis}
       * @param key key
       * @param millis expiredTime
       */
      public abstract void expire(byte[] key, long millis);
  
      /**
       * remove key expire time
       */
      public abstract void persist(byte[] key);
  
      /**
       * delete keys
       * @param keys -
       */
      public abstract void delete(byte[]... keys);
  
      /**
       * Notify when value changes
       * @param keys set of key
       */
      public abstract void notifyChanged(Collection<byte[]> keys);
  
      /**
       * Notify when value changes
       * @param keys  key array
       */
      public void notifyChanged(byte[]... keys) {
          notifyChanged((Arrays.asList(keys)));
      }
  
      /**
       * Set up a delegate to get changed data
       * @param template redis template
       */
      public void setDelegate(RedisTemplate template) {
          this.template = template;
      }
  
      /**
       * Get delegate
       */
      public RedisTemplate getDelegate() {
          return template;
      }
  
  }
  