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package xin.xihc.jba.db;

import org.springframework.dao.DataAccessException;
import org.springframework.transaction.annotation.Transactional;
import xin.xihc.jba.core.JbaTemplate;
import xin.xihc.jba.tables.Mode;
import xin.xihc.jba.tables.TableManager;
import xin.xihc.jba.tables.properties.TableProperties;

/**
 * 表创建者、更新者
 *
 * @author Leo.Xi
 * @date 2018年1月21日
 */
public class TableOperator {

	I_TableOperation tableOperation = null;

	public TableOperator(JbaTemplate jbaTemplate) {
		tableOperation = new DB_MySql_Opera(jbaTemplate);
	}


	/**
	 * 初始化
	 */
	@Transactional(rollbackFor = DataAccessException.class)
	public void init() {
		synchronized (TableOperator.class) {
			// 创建类型不是NONE
			if (TableManager.mode != Mode.NONE) {
				for (TableProperties tblObj : TableManager.getTables()) {
					if (tblObj.isIgnore()) {// 忽略的,不处理
						continue;
					}
					if (tableOperation.isTableExists(tblObj.getTableName())) {
						if (TableManager.mode == Mode.ALL || TableManager.mode == Mode.UPDATE) {
							tableOperation.updateTable(tblObj);
						}
					} else {
						if (TableManager.mode == Mode.ALL || TableManager.mode == Mode.CREATE || TableManager.mode == Mode.CREATE_DROP) {
							tableOperation.createTable(tblObj);
						}
					}
				}
			}
		}
	}

	@Transactional(rollbackFor = DataAccessException.class)
	public void drop() {
		if (TableManager.mode != Mode.CREATE_DROP) {
			return;
		}
		synchronized (TableOperator.class) {
			for (TableProperties tblObj : TableManager.getTables()) {
				if (tblObj.isIgnore()) {// 忽略的,不处理
					continue;
				}
				tableOperation.dropTable(tblObj);
			}
		}
	}

}