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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed 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. See accompanying
 * LICENSE file.
 */

package com.gemstone.gemfire.internal.cache;


/**
 * A factory that produces RegionEntry instances.
 *
 * @since 3.5.1
 *
 * @author Darrel Schneider
 *
 */
public interface RegionEntryFactory {
  /**
   * Creates an instance of RegionEntry.
   * @return the created entry
   */
  public RegionEntry createEntry(RegionEntryContext context, Object key, Object value);
  /**
   * @return the Class that each entry, of this factory, is an instance of
   */
  public Class getEntryClass();
  /**
   * @return return the versioned equivalent of this RegionEntryFactory
   */
  public RegionEntryFactory makeVersioned();
  
  /**
   * Return the equivalent on heap version of this entry factory. This
   * is used for creating temporary region entries that shouldn't be stored
   * off heap.
   */
  public RegionEntryFactory makeOnHeap();
}