/*
    * 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 org.apache.syncope.core.provisioning.java.cache;
  
  import com.github.benmanes.caffeine.cache.Cache;
  import com.github.benmanes.caffeine.cache.Caffeine;
  import org.apache.syncope.core.provisioning.api.cache.VirAttrCache;
  import org.apache.syncope.core.provisioning.api.cache.VirAttrCacheKey;
  import org.apache.syncope.core.provisioning.api.cache.VirAttrCacheValue;
  
  public class CaffeineVirAttrCache implements VirAttrCache {
  
      private Cache<VirAttrCacheKey, VirAttrCacheValue> cache;
  
      @Override
      public void setCacheSpec(final String cacheSpec) {
          cache = Caffeine.from(cacheSpec).build();
      }
  
      @Override
      public void expire(final VirAttrCacheKey key) {
          cache.invalidate(key);
      }
  
      @Override
      public VirAttrCacheValue get(final VirAttrCacheKey key) {
          return cache.getIfPresent(key);
      }
  
      @Override
      public VirAttrCacheValue put(final VirAttrCacheKey key, final VirAttrCacheValue value) {
          cache.put(key, value);
          return value;
      }
  }