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/*
 *    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 io.github.zouzhiy.excel.ibatis.reflection;

import io.github.zouzhiy.excel.ibatis.util.MapUtil;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

public class DefaultReflectorFactory implements ReflectorFactory {
    private boolean classCacheEnabled = true;
    private final ConcurrentMap, 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);
        }
    }

}