com.github.pagehelper.dialect.AbstractDialect Maven / Gradle / Ivy

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 [email protected]
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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package com.github.pagehelper.dialect;

import com.github.pagehelper.Dialect;
import com.github.pagehelper.PageRowBounds;
import com.github.pagehelper.parser.CountSqlParser;
import org.apache.ibatis.cache.CacheKey;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.session.RowBounds;

import java.util.List;
import java.util.Properties;

/**
 * 基于 CountSqlParser 的智能 Count 查询
 *
 * @author liuzh
 */
public abstract class AbstractDialect implements Dialect {
    //处理SQL
    protected CountSqlParser countSqlParser = new CountSqlParser();

    @Override
    public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {
        return countSqlParser.getSmartCountSql(boundSql.getSql());
    }
}