com.tj.mybatisplus.MybatisConfiguration.java Source code

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/**
 * Copyright (c) 2011-2014, hubin (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.tj.mybatisplus;

import java.util.logging.Logger;

import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.scripting.LanguageDriver;
import org.apache.ibatis.session.Configuration;

import com.tj.mybatisplus.mapper.DBType;

/**
 * <p>
 * replace default Configuration class
 * </p>
 * 
 * @author hubin
 * @Date 2016-01-23
 */
public class MybatisConfiguration extends Configuration {

    protected final Logger logger = Logger.getLogger("MybatisConfiguration");

    /**
     * ? MySql
     */
    public static DBType DB_TYPE = DBType.MYSQL;

    /**
     * ?
     */
    public MybatisConfiguration() {
        System.err.println("mybatis-plus init success.");
    }

    /**
     * <p>
     * MybatisPlus  SQL ?
     * </p>
     * 1?XMLSQL<br>
     * 2?sqlProviderSQL<br>
     * 3?xmlSql  sqlProvider???SQL<br>
     * <br>
     * ?SQLxmlSql > sqlProvider > curdSql <br>
     */
    @Override
    public void addMappedStatement(MappedStatement ms) {
        logger.fine(" addMappedStatement: " + ms.getId());
        if (this.mappedStatements.containsKey(ms.getId())) {
            /*
             * xml mapperSqlProvider?
             */
            logger.severe("mapper[" + ms.getId() + "] is ignored, because it's exists, maybe from xml file");
            return;
        }
        super.addMappedStatement(ms);
    }

    @Override
    public void setDefaultScriptingLanguage(Class<?> driver) {
        if (driver == null) {
            /*  driver */
            driver = MybatisXMLLanguageDriver.class;
        }
        super.setDefaultScriptingLanguage(driver);
    }

    @Override
    public LanguageDriver getDefaultScriptingLanuageInstance() {
        /*  driver */
        return languageRegistry.getDriver(MybatisXMLLanguageDriver.class);
    }

}