/*
    *    Copyright 2009-2021 the original author or authors.
    *
    *    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.
   */
  package org.apache.ibatis.reflection;
  
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.ConcurrentMap;
  
  import org.apache.ibatis.util.MapUtil;
  
  public class DefaultReflectorFactory implements ReflectorFactory {
    private boolean classCacheEnabled = true;
    private final ConcurrentMap<Class<?>, Reflector> reflectorMap = new ConcurrentHashMap<>();
  
    public DefaultReflectorFactory() {
    }
  
    @Override
    public boolean isClassCacheEnabled() {
      return classCacheEnabled;
    }
  
    @Override
    public void setClassCacheEnabled(boolean classCacheEnabled) {
      this.classCacheEnabled = classCacheEnabled;
    }
  
    @Override
    public Reflector findForClass(Class<?> type) {
      if (classCacheEnabled) {
        // synchronized (type) removed see issue #461
        return MapUtil.computeIfAbsent(reflectorMap, type, Reflector::new);
      } else {
        return new Reflector(type);
      }
    }
  
  }