package org.apache.onami.cache;

 /*

  * 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.

  */

 import javax.cache.Cache;

 import javax.cache.annotation.CacheInvocationContext;

 import javax.cache.annotation.CacheKey;

 import javax.cache.annotation.CacheKeyInvocationContext;

 import javax.cache.annotation.CachePut;

 import org.aopalliance.intercept.MethodInvocation;

 final class CachePutInterceptor

     extends AfterBeforeInvocationInterceptor<CachePut>

 {

     @Override

     public Class<CachePut> getInterceptedAnnotationType()

     {

         return CachePut.class;

     }

     @Override

     protected void hitCache( CacheInvocationContext<CachePut> context )

     {

         CacheKeyInvocationContext<CachePut> keyedContext = (CacheKeyInvocationContext<CachePut>) context;

         Object value = keyedContext.getValueParameter().getValue();

         if ( value == null )

         {

             if ( context.getCacheAnnotation().cacheNull() )

             {

                 // Null values are cached, set value to the null placeholder

                 value = NULL_PLACEHOLDER;

             }

             else

             {

                 // Ignore null values

                 return;

             }

         }

         Cache<Object, Object> cache = getCacheResolverFactory( context ).getCacheResolver( context ).resolveCache( context );

         CacheKey cacheKey = getCacheKeyGenerator( context ).generateCacheKey( keyedContext );

         cache.put( cacheKey, value );

     }

 }