Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.glaf.wechat.service.impl; import java.util.Date; import java.util.List; import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.BlockingQueue; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.ibatis.session.RowBounds; import org.mybatis.spring.SqlSessionTemplate; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.glaf.core.config.Configuration; import com.glaf.core.id.IdGenerator; import com.glaf.core.util.DateUtils; import com.glaf.wechat.config.WechatConfiguration; import com.glaf.wechat.domain.WxLog; import com.glaf.wechat.mapper.WxLogMapper; import com.glaf.wechat.query.WxLogQuery; import com.glaf.wechat.service.WxLogService; @Service("wxLogService") @Transactional(readOnly = true) public class WxLogServiceImpl implements WxLogService { protected final static Log logger = LogFactory.getLog(WxLogServiceImpl.class); protected static Configuration conf = WechatConfiguration.create(); protected static BlockingQueue<WxLog> wxLogs = new ArrayBlockingQueue<WxLog>(1000); protected static long lastUpdate = System.currentTimeMillis(); protected IdGenerator idGenerator; protected SqlSessionTemplate sqlSessionTemplate; protected WxLogMapper sysLogMapper; public WxLogServiceImpl() { } public int count(WxLogQuery query) { return sysLogMapper.getWxLogCount(query); } public int getWxLogCountByQueryCriteria(WxLogQuery query) { return sysLogMapper.getWxLogCount(query); } public List<WxLog> getWxLogsByQueryCriteria(int start, int pageSize, WxLogQuery query) { RowBounds rowBounds = new RowBounds(start, pageSize); List<WxLog> rows = sqlSessionTemplate.selectList("getWxLogs", query, rowBounds); return rows; } public List<WxLog> list(WxLogQuery query) { List<WxLog> list = sysLogMapper.getWxLogs(query); return list; } @Transactional public void save(WxLog sysLog) { sysLog.setId(idGenerator.nextId()); sysLog.setCreateTime(new Date()); sysLog.setSuffix("_" + DateUtils.getNowYearMonthDay()); try { wxLogs.put(sysLog); } catch (InterruptedException ex) { } logger.debug("->wxLogs.size:" + wxLogs.size()); /** * ??1? */ if (wxLogs.size() >= conf.getInt("wx_log_step", 100) || ((System.currentTimeMillis() - lastUpdate) / 60000 > 0)) { WxLog bean = null; while (!wxLogs.isEmpty()) { bean = wxLogs.poll(); try { sysLogMapper.insertWxLog(bean);// ? bean.setSuffix(""); sysLogMapper.insertWxLog(bean);// ? } catch (Exception ex) { logger.error("save log error", ex); } } lastUpdate = System.currentTimeMillis(); logger.debug("wxLogs.size:" + wxLogs.size()); } } @Transactional public void saveAll() { if (wxLogs.size() >= conf.getInt("wx_log_step", 100) || ((System.currentTimeMillis() - lastUpdate) / 60000 > 0)) { WxLog bean = null; while (!wxLogs.isEmpty()) { bean = wxLogs.poll(); try { sysLogMapper.insertWxLog(bean);// ? bean.setSuffix(""); sysLogMapper.insertWxLog(bean);// ? } catch (Exception ex) { logger.error("save log error", ex); } } lastUpdate = System.currentTimeMillis(); logger.debug("wxLogs.size:" + wxLogs.size()); } } @javax.annotation.Resource public void setIdGenerator(IdGenerator idGenerator) { this.idGenerator = idGenerator; } @javax.annotation.Resource public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) { this.sqlSessionTemplate = sqlSessionTemplate; } @javax.annotation.Resource public void setWxLogMapper(WxLogMapper sysLogMapper) { this.sysLogMapper = sysLogMapper; } }