net.chrisrichardson.foodToGo.restaurantNotificationService.tsImpl.dao.OrderDAOIBatisImpl.java Source code

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/*
 * Copyright (c) 2005 Chris Richardson
 * 
 * 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.chrisrichardson.foodToGo.restaurantNotificationService.tsImpl.dao;

import java.sql.*;
import java.util.*;

import org.springframework.orm.ibatis.*;
import org.springframework.orm.ibatis.support.*;

public class OrderDAOIBatisImpl extends SqlMapClientDaoSupport implements OrderDAO {

    public static final String OPTIMISTIC_LOCKING = "OPTIMISTIC_LOCKING";

    public static final String PESSIMISTIC_LOCKING = "PESSIMISTIC_LOCKING";

    public static final String ISOLATED_TRANSACTION = "ISOLATED_TRANSACTION";

    private String lockingMode = ISOLATED_TRANSACTION;

    private int timeWindowInMinutes = 60;

    public OrderDAOIBatisImpl(SqlMapClientTemplate sqlMapClientTemplate) {
        setSqlMapClientTemplate(sqlMapClientTemplate);
    }

    public void setLockingMode(String string) {
        lockingMode = string;
    }

    public void setTimeWindowInMinutes(int i) {
        timeWindowInMinutes = i;
    }

    public List findOrdersToSend() {
        Timestamp cutOffTime = calculateCutOffTime();
        return getSqlMapClientTemplate().queryForList("findOrdersToSend_" + lockingMode, cutOffTime);
    }

    Timestamp calculateCutOffTime() {
        Calendar c = Calendar.getInstance();
        c.add(Calendar.MINUTE, -timeWindowInMinutes);
        long cutOffTime = c.getTimeInMillis();
        return new Timestamp(cutOffTime);
    }

    public void markAsSent(List orders, List notifications) {

        MarkOrdersAsSentCallback callback = new MarkOrdersAsSentCallback(orders, notifications, lockingMode);
        getSqlMapClientTemplate().execute(callback);
    }

}