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.core.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.core.config.BaseConfiguration; import com.glaf.core.domain.SysDataLog; import com.glaf.core.mapper.SysDataLogMapper; import com.glaf.core.query.SysDataLogQuery; import com.glaf.core.service.SysDataLogService; @Service("sysDataLogService") @Transactional(readOnly = true) public class MxSysDataLogServiceImpl implements SysDataLogService { protected final static Log logger = LogFactory.getLog(MxSysDataLogServiceImpl.class); protected static Configuration conf = BaseConfiguration.create(); protected static BlockingQueue<SysDataLog> dataLogs = new ArrayBlockingQueue<SysDataLog>(1000); protected static long lastUpdate = System.currentTimeMillis(); protected IdGenerator idGenerator; protected SqlSessionTemplate sqlSessionTemplate; protected SysDataLogMapper sysLogMapper; public MxSysDataLogServiceImpl() { } public int count(SysDataLogQuery query) { return sysLogMapper.getSysDataLogCount(query); } public int getSysDataLogCountByQueryCriteria(SysDataLogQuery query) { return sysLogMapper.getSysDataLogCount(query); } public List<SysDataLog> getSysDataLogsByQueryCriteria(int start, int pageSize, SysDataLogQuery query) { RowBounds rowBounds = new RowBounds(start, pageSize); List<SysDataLog> rows = sqlSessionTemplate.selectList("getSysDataLogs", query, rowBounds); return rows; } public List<SysDataLog> list(SysDataLogQuery query) { List<SysDataLog> list = sysLogMapper.getSysDataLogs(query); return list; } @Transactional public void save(SysDataLog sysLog) { sysLog.setId(idGenerator.nextId()); sysLog.setCreateTime(new Date()); sysLog.setSuffix("_" + DateUtils.getNowYearMonthDay()); try { dataLogs.put(sysLog); } catch (InterruptedException ex) { } logger.debug("->dataLogs.size:" + dataLogs.size()); /** * ??1? */ if (dataLogs.size() >= conf.getInt("sys_log_step", 100) || ((System.currentTimeMillis() - lastUpdate) / 60000 > 0)) { SysDataLog bean = null; while (!dataLogs.isEmpty()) { bean = dataLogs.poll(); try { sysLogMapper.insertSysDataLog(bean);// ? bean.setSuffix(""); sysLogMapper.insertSysDataLog(bean);// ? } catch (Exception ex) { } } lastUpdate = System.currentTimeMillis(); logger.debug("dataLogs.size:" + dataLogs.size()); } } @Transactional public void saveAll() { if (dataLogs.size() >= conf.getInt("sys_log_step", 100) || ((System.currentTimeMillis() - lastUpdate) / 60000 > 0)) { SysDataLog bean = null; while (!dataLogs.isEmpty()) { bean = dataLogs.poll(); try { sysLogMapper.insertSysDataLog(bean);// ? bean.setSuffix(""); sysLogMapper.insertSysDataLog(bean);// ? } catch (Exception ex) { } } lastUpdate = System.currentTimeMillis(); logger.debug("dataLogs.size:" + dataLogs.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 setSysDataLogMapper(SysDataLogMapper sysLogMapper) { this.sysLogMapper = sysLogMapper; } }