/*
 * Copyright (c) 2011-2024, baomidou (jobob@qq.com).
 *
 * 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 com.baomidou.mybatisplus.core.override;

import lombok.Getter;
import org.apache.ibatis.binding.MapperProxyFactory;
import org.apache.ibatis.session.SqlSession;

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

/**
 * <p>从 {@link MapperProxyFactory} copy 过来 </p>
 * <li> 使用 MybatisMapperMethod </li>
 *
 * @author miemie
 * @since 2018-06-09
 */
public class MybatisMapperProxyFactory<T> {

    @Getter
    private final Class<T> mapperInterface;
    @Getter
    private final Map<Method, MybatisMapperProxy.MapperMethodInvoker> methodCache = new ConcurrentHashMap<>();

    public MybatisMapperProxyFactory(Class<T> mapperInterface) {
        this.mapperInterface = mapperInterface;
    }

    @SuppressWarnings("unchecked")
    protected T newInstance(MybatisMapperProxy<T> mapperProxy) {
        return (T) Proxy.newProxyInstance(mapperInterface.getClassLoader(), new Class[]{mapperInterface}, mapperProxy);
    }

    public T newInstance(SqlSession sqlSession) {
        final MybatisMapperProxy<T> mapperProxy = new MybatisMapperProxy<>(sqlSession, mapperInterface, methodCache);
        return newInstance(mapperProxy);
    }
}
