com.sharksharding.core.shard.SQLExecute.java Source code

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Here is the source code for com.sharksharding.core.shard.SQLExecute.java

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/*
 * Copyright 2015-2101 gaoxianglong
 *
 * 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.sharksharding.core.shard;

import org.aspectj.lang.ProceedingJoinPoint;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.sharksharding.core.config.DataSourceHolder;
import com.sharksharding.factory.DataSourceHolderFactory;
import com.sharksharding.factory.RouteFacadeFactory;

/**
 * sql??
 * 
 * @author gaoxianglong
 * 
 * @version 1.3.5
 */
public class SQLExecute {
    private SharkInfo sharkInfo;
    private DataSourceHolder dataSourceHolder;
    private Route route;
    private static Logger logger = LoggerFactory.getLogger(SQLExecute.class);

    public SQLExecute() {
        sharkInfo = SharkInfo.getShardInfo();
        dataSourceHolder = DataSourceHolderFactory.getDataSourceHolder();
        route = RouteFacadeFactory.getRoute();
    }

    /**
     * ??,?
     * 
     * @author gaoxianglong
     * 
     * @param proceedingJoinPoint
     *            ?
     * 
     * @param indexType
     *            truemaster?,falseslave?
     * 
     * @exception Throwable
     * 
     * @return Object
     */
    protected Object execute(ProceedingJoinPoint proceedingJoinPoint, boolean indexType) {
        Object obj = null;
        if (null != proceedingJoinPoint) {
            Object[] params = proceedingJoinPoint.getArgs();
            if (0 > params.length)
                return obj;
            Object param = params[0];
            /*
             * org.springframework.jdbc.core.JdbcTemplateupdate*()query*()
             * ?SQL
             */
            if (param instanceof String) {
                String sql = param.toString();
                logger.info("before sql-->" + sql);
                /* sharding? */
                if (sharkInfo.getIsShard()) {
                    if (sharkInfo.getShardMode()) {
                        params = route.dbRouteByOne(sql, params, indexType);
                    } else {
                        params = route.dbRouteByMany(sql, params, indexType);
                    }
                    sql = params[0].toString();
                } else {
                    /* ?master/slave??? */
                    final int index = ResolveIndex.getIndex(sharkInfo.getWr_index(), indexType);
                    SetDatasource.setIndex(index, dataSourceHolder);
                }
                logger.info("after sql-->" + sql);
            }
            try {
                obj = proceedingJoinPoint.proceed(params);
            } catch (Throwable e) {
                e.printStackTrace();
            }
        }
        return obj;
    }
}