/*
 * Copyright (c) 2005-2016 Vincent Vandenschrick. All rights reserved.
 *
 *  This file is part of the Jspresso framework.
 *
 *  Jspresso is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Jspresso is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with Jspresso.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.jspresso.framework.util.accessor;

import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.jspresso.framework.util.bean.AccessorInfo;

/**
 * Base class for accessor factories.
 *
 * @author Vincent Vandenschrick
 */
public abstract class AbstractAccessorFactory implements IAccessorFactory {

  private final Map<Method, AccessorInfo> accessorInfoCache = new ConcurrentHashMap<>();

  /**
   * Constructs and caches Accessor info. {@inheritDoc}
   */
  @Override
  public AccessorInfo getAccessorInfo(Method method) {
    AccessorInfo info = accessorInfoCache.get(method);
    if (info == null) {
      info = new AccessorInfo(method);
      accessorInfoCache.put(method, info);
    }
    return info;
  }

  /**
   * Gets this.
   * @return this.
   */
  @Override
  public IAccessorFactory getAccessorFactory() {
    return this;
  }
}