Java tutorial
/* * Copyright 2010-2011 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 com.googlecode.starflow.engine.repository.impl; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Date; import org.springframework.jdbc.core.RowMapper; import org.springframework.jdbc.core.support.JdbcDaoSupport; import com.googlecode.starflow.engine.model.ProcessInstance; import com.googlecode.starflow.engine.repository.IProcessInstanceRepository; /** * * @author libinsong1204@gmail.com * @version 1.0 */ public class ProcessInstanceRepositoryImpl extends JdbcDaoSupport implements IProcessInstanceRepository { private static String insertProcessInstanceSQL = "insert into WF_PROCESSINST (processInstId, processDefId, processInstName, " + "creator, currentState, subFlow, limitNum, createTime, mainProcInstId, parentProcInstId, activityInstId) " + "values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"; private static String findProcessInstanceSQL = "select * from WF_PROCESSINST where processInstId = ?"; private static String updateProcessStateAndEndTimeSQL = "update WF_PROCESSINST set currentState = ?, endTime = ? where processInstId = ?"; private static String updateProcessStateAndFinalTimeSQL = "update WF_PROCESSINST set currentState = ?, finalTime = ? where processInstId = ?"; private static String updateProcessStateAndStartTimeSQL = "update WF_PROCESSINST set currentState = ?, startTime = ? where processInstId = ?"; public void insertProcessInstance(ProcessInstance processInstance) { this.getJdbcTemplate().update(insertProcessInstanceSQL, processInstance.getProcessInstId(), processInstance.getProcessDefId(), processInstance.getProcessInstName(), processInstance.getCreator(), processInstance.getCurrentState(), processInstance.getSubFlow(), processInstance.getLimitNum(), processInstance.getCreateTime(), processInstance.getMainProcInstId(), processInstance.getParentProcInstId(), processInstance.getActivityInstId()); } public ProcessInstance findProcessInstance(long processInstId) { return this.getJdbcTemplate().queryForObject(findProcessInstanceSQL, new RowMapper<ProcessInstance>() { @Override public ProcessInstance mapRow(ResultSet resultSet, int index) throws SQLException { ProcessInstance processInstance = new ProcessInstance(); processInstance.setProcessInstId(resultSet.getLong("processInstId")); processInstance.setProcessDefId(resultSet.getLong("processDefId")); processInstance.setProcessInstName(resultSet.getString("processInstName")); processInstance.setCreator(resultSet.getString("creator")); processInstance.setCreateTime(resultSet.getDate("createTime")); processInstance.setSubFlow(resultSet.getString("subFlow")); processInstance.setLimitNum(resultSet.getLong("limitNum")); processInstance.setCurrentState(resultSet.getInt("currentState")); processInstance.setMainProcInstId(resultSet.getLong("mainProcInstId")); processInstance.setParentProcInstId(resultSet.getLong("parentProcInstId")); processInstance.setActivityInstId(resultSet.getLong("activityInstId")); return processInstance; } }, processInstId); } public void updateProcessStateAndEndTime(long processInstId, int currentState, Date endTime) { this.getJdbcTemplate().update(updateProcessStateAndEndTimeSQL, currentState, endTime, processInstId); } public void updateProcessStateAndFinalTime(long processInstId, int currentState, Date finalTime) { this.getJdbcTemplate().update(updateProcessStateAndFinalTimeSQL, currentState, finalTime, processInstId); } public void updateProcessStateAndStartTime(long processInstId, int currentState, Date startTime) { this.getJdbcTemplate().update(updateProcessStateAndStartTimeSQL, currentState, startTime, processInstId); } }