cn.cuizuoli.appranking.incrementer.AppRankingIncrementer.java Source code

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Here is the source code for cn.cuizuoli.appranking.incrementer.AppRankingIncrementer.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 cn.cuizuoli.appranking.incrementer;

import javax.sql.DataSource;

import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.support.incrementer.MySQLMaxValueIncrementer;

/**
 * AppRankingIncrementer
 * @author cuizuoli
 */
public class AppRankingIncrementer extends MySQLMaxValueIncrementer {

    private final static DateTimeFormatter YYYYMMDDHH_FORMATTER = DateTimeFormat.forPattern("yyyyMMddHH");

    /**
     * AppRankingIncrementer
     * @param dataSource
     * @param incrementerName
     * @param columnName
     */
    public AppRankingIncrementer(DataSource dataSource, String incrementerName, String columnName) {
        super(dataSource, incrementerName, columnName);
    }

    @Override
    public String nextStringValue() throws DataAccessException {
        return DateTime.now().toString(YYYYMMDDHH_FORMATTER) + super.nextStringValue();
    }

}