OneConnectionPerThread.java

/**
 * Copyright (c) 2011-2013, James Zhan 詹波 (jfinal@126.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 net.tooan.ynpay.third.jfinal.plugin.activerecord;

import net.tooan.ynpay.third.jfinal.aop.Interceptor;
import net.tooan.ynpay.third.jfinal.core.ActionInvocation;

import java.sql.Connection;

/**
 * One Connection Per Thread for one request.<br>
 * warning: can not use this interceptor with transaction feature like Tx, Db.tx(...)
 */
public class OneConnectionPerThread implements Interceptor {

    public void intercept(ActionInvocation invocation) {
        Connection conn = null;
        try {
            conn = DbKit.getConnection();
            DbKit.setThreadLocalConnection(conn);
            invocation.invoke();
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            DbKit.removeThreadLocalConnection();
            DbKit.close(conn);
        }
    }
}