vmware-gemfire-native-client-c++-api-reference/10.4/a00056_source.html

#pragma once


#ifndef GEODE_CACHELOADER_H_

#define GEODE_CACHELOADER_H_


/*

 * 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.

 */


#include "CacheableKey.hpp"

#include "Serializable.hpp"

#include "internal/geode_globals.hpp"


namespace apache {

namespace geode {

namespace client {

class Region;


class APACHE_GEODE_EXPORT CacheLoader {

 public:

  virtual ~CacheLoader() = default;

  CacheLoader(const CacheLoader& other) = delete;

  void operator=(const CacheLoader& other) = delete;


  virtual std::shared_ptr<Cacheable> load(

      Region& rp, const std::shared_ptr<CacheableKey>& key,

      const std::shared_ptr<Serializable>& aCallbackArgument) = 0;


  virtual void close(Region& rp);


 protected:

  CacheLoader() = default;

};

}  // namespace client

}  // namespace geode

}  // namespace apache


#endif  // GEODE_CACHELOADER_H_

CacheableKey.hpp

apache::geode::client::CacheLoader
An application plug-in that can be installed on a region.
Definition CacheLoader.hpp:55

apache::geode::client::CacheLoader::load
virtual std::shared_ptr< Cacheable > load(Region &rp, const std::shared_ptr< CacheableKey > &key, const std::shared_ptr< Serializable > &aCallbackArgument)=0
Loads a value.

apache::geode::client::CacheLoader::close
virtual void close(Region &rp)
Called when the region containing this callback is destroyed, when the cache is closed.

apache::geode::client::Region
This class manages subregions and cached data.
Definition Region.hpp:95