/**
* Copyright 1996-2013 Founder International Co.,Ltd.
*
* 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.
*
* @author yangchenhui
*/
package com.founder.fix.fixflow.core.impl.persistence.instance;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import com.founder.fix.fixflow.core.db.pagination.Pagination;
import com.founder.fix.fixflow.core.exception.FixFlowException;
import com.founder.fix.fixflow.core.impl.Context;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.db.SqlCommand;
import com.founder.fix.fixflow.core.impl.runtime.ProcessInstanceEntity;
import com.founder.fix.fixflow.core.impl.util.QueryTableUtil;
/**
* 归档操作持久化
* @author yangchenhui
*
*/
public class HistoryPersistence {
Connection connection;
ProcessDefinitionBehavior processDefinition;
ProcessInstanceEntity processInstance;
SqlCommand sqlCommand = null;
java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public HistoryPersistence(Connection connection) {
this.connection = connection;
// 初始化数据库操作类
sqlCommand = new SqlCommand(connection);
}
public boolean archive(Map<String,Object> paraMap){
List<Object> whereObject = new ArrayList<Object>();
String tmpWhereSql = getWhereSql(paraMap,whereObject);
String processInstSql="select processinstance_id from " +QueryTableUtil.getDefaultTableName("fixflow_run_processinstance") +" where 1=1 ";
String whereSql = processInstSql + tmpWhereSql;
//流程实例表的归档
String commonWhereSql = " E.processInstance_id in("+whereSql+")";
String processInstanceInsertSql = getInsertSqlString("fixflow_run_processinstance", commonWhereSql);
sqlCommand.execute(processInstanceInsertSql, whereObject.toArray());
//流程实例表删除 语句
String processInstanceDeleteSql = getDeleteSqlString("fixflow_run_processinstance", "1=1 " + tmpWhereSql);
//任务实例表的归档
String taskInstanceSql = getInsertSqlString("fixflow_run_taskinstance", commonWhereSql);
sqlCommand.execute(taskInstanceSql, whereObject.toArray());
//任务实例表删除语句
String taskInstanceDeleteSql = getDeleteSqlString("fixflow_run_taskinstance", commonWhereSql);
//流程令牌表的归档
String tokenSql = getInsertSqlString("fixflow_run_token", commonWhereSql);
sqlCommand.execute(tokenSql, whereObject.toArray());
//流程令牌表删除语句
String tokenDeleteSql = getDeleteSqlString("fixflow_run_token", commonWhereSql);
//流程变量表的归档
String variableSql = getInsertSqlString("fixflow_run_variable", commonWhereSql);
sqlCommand.execute(variableSql, whereObject.toArray());
//流程变量表删除语句
String variableDeleteSql = getDeleteSqlString("fixflow_run_variable", commonWhereSql);;
//任务候选人的归档
String tmpTaskidentitylinkSql = "E.taskinstance_id in (select taskinstance_id from FIXFLOW_RUN_TASKINSTANCE T WHERE T.PROCESSINSTANCE_ID IN ("+ whereSql + "))";
String taskidentitylinkSql = getInsertSqlString("fixflow_run_taskidentitylink", tmpTaskidentitylinkSql);;
sqlCommand.execute(taskidentitylinkSql, whereObject.toArray());
//任务候选人表删除语句
String tmpTaskidentitylinkDeleteSql = " E.taskinstance_id in (select taskinstance_id from FIXFLOW_RUN_TASKINSTANCE T WHERE T.PROCESSINSTANCE_ID IN (" + whereSql + "))";
String taskidentitylinkDeleteSql = getDeleteSqlString("fixflow_run_taskidentitylink", tmpTaskidentitylinkDeleteSql);
sqlCommand.execute(tokenDeleteSql, whereObject.toArray());
sqlCommand.execute(variableDeleteSql, whereObject.toArray());
sqlCommand.execute(taskidentitylinkDeleteSql, whereObject.toArray());
sqlCommand.execute(taskInstanceDeleteSql, whereObject.toArray());
sqlCommand.execute(processInstanceDeleteSql, whereObject.toArray());
return true;
}
private String getInsertSqlString(String tableId,String whereSql){
Pagination pagination = Context.getProcessEngineConfiguration().getDbConfig().getPagination();
String tableName = QueryTableUtil.getDefaultTableName(tableId);
String archiveTableName = QueryTableUtil.getArchiveTableName(tableId);
String columnString = QueryTableUtil.getColumnStringWithOutArchiveTime(tableId);
String insertSqlString = "insert into "+archiveTableName+" (" + columnString+",ARCHIVE_TIME) select "+columnString+","+pagination.getCurrentDateSql()+" from "+tableName +" E where " + whereSql;
return insertSqlString;
}
private String getDeleteSqlString(String tableId,String whereSql){
String tableName = QueryTableUtil.getDefaultTableName(tableId);
String deleteSqlString = "delete from "+tableName+" E where " + whereSql;
return deleteSqlString;
}
/**
* 构造whereSql
* @param paraMap
* @param whereObj
* @return
*/
@SuppressWarnings("unchecked")
public String getWhereSql(Map<String,Object> paraMap,List<Object> whereObj){
String whereSql = "";
//标志是否参数都不满足要求
boolean flag = false;
if(paraMap.containsKey("PROCESSINSTANCE_ID")){
List<String> processInstanceIds = (List<String>)paraMap.get("PROCESSINSTANCE_ID");
if(processInstanceIds != null && processInstanceIds.size() > 0){
whereSql += " and processinstance_id in(";
for(int i = 0;i<processInstanceIds.size() ; i++){
if(i == 0){
whereSql += "? ";
}else{
whereSql += ",? ";
}
whereObj.add(processInstanceIds.get(i));
}
whereSql += ")";
flag = true;
}
}
if(paraMap.containsKey("PROCESSDEFINITION_KEY")){
whereSql += " and PROCESSDEFINITION_KEY = ?";
whereObj.add(paraMap.get("PROCESSDEFINITION_KEY").toString());
flag = true;
}
if(paraMap.containsKey("BEGIN")){
whereSql += " and end_time >= ?";
whereObj.add((Date)paraMap.get("BEGIN"));
flag = true;
}
if(paraMap.containsKey("END")){
whereSql += " and end_time <= ?";
whereObj.add((Date)paraMap.get("END"));
flag = true;
}
if(paraMap.containsKey("ALL")){
flag = true;
}
if(!flag){
throw new FixFlowException("归档参数异常，请检查");
}
whereSql += " and end_time is not null";
return whereSql;
}
}