package com.vci.server.omd.versionrule.service;
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import java.io.IOException;
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import java.sql.Clob;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import com.vci.common.log.ServerWithLog4j;
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import com.vci.common.utility.ObjectUtility;
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import com.vci.corba.common.VCIError;
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import com.vci.corba.omd.vrm.VersionRule;
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import com.vci.omd.constants.OmdConstants;
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import com.vci.server.base.persistence.dao.HibernateSessionFactory;
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import com.vci.server.omd.common.VersionRuleHelper;
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import com.vci.server.omd.versionrule.cache.VRServerCacheUtil;
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public class VRService {
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private static VRService instance = null;
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private VRService() {
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}
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public static VRService getInstance() {
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if (instance == null) {
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instance = new VRService();
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}
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return instance;
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}
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public boolean addVersionRule(VersionRule vr) throws VCIError, SQLException, IOException {
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boolean flag = false;
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String insertSql = "insert into plversionrule values(?,?,?,?,?,?,?,?,?,xmltype(?))";
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Connection connection = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = connection.prepareStatement(insertSql);
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pst.setString(1, ObjectUtility.getNewObjectID36());
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pst.setString(2, vr.name);
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pst.setString(3, vr.tag);
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pst.setString(4, vr.description);
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long time = Calendar.getInstance().getTimeInMillis();
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Timestamp ts = new Timestamp(time);
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pst.setTimestamp(5, ts);
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pst.setString(6, vr.creator);
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pst.setTimestamp(7, ts);
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pst.setString(8, vr.modifier);
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pst.setTimestamp(9, ts);
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String xmlText = VersionRuleHelper.getInstance().getXmlText(vr);
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//CLOB content = VersionRuleServerDelegate.getInstance().getXmlTypeContent(xmlText, connection);
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//pst.setObject(10, content);
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pst.setString(10, xmlText);
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pst.executeUpdate();
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flag = true;
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ServerWithLog4j.logger.info(insertSql);
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pst.close();
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return flag;
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}
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public boolean modifyVersionRule(VersionRule vr)
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throws VCIError, SQLException, IOException {
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boolean flag = false;
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String sql = "update plversionrule t set t.name=?, t.label=?, t.description=?, t.ts=?, t.creator=?, t.createtime=?, t.modifier=?, t.modifytime=?, t.content=xmltype(?) where t.oid=? and t.ts = ?";
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Connection conn = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = conn.prepareStatement(sql);
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pst.setString(1, vr.name);
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pst.setString(2, vr.tag);
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pst.setString(3, vr.description);
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long time = Calendar.getInstance().getTimeInMillis();
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Timestamp ts = new Timestamp(time);
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pst.setTimestamp(4, ts);
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pst.setString(5, vr.creator);
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pst.setTimestamp(6, new Timestamp(vr.createTime));
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pst.setString(7, vr.modifier);
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pst.setTimestamp(8, ts);
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String xmlText = VersionRuleHelper.getInstance().getXmlText(vr);
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//CLOB content = VersionRuleServerDelegate.getInstance().getXmlTypeContent(xmlText, conn);
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//pst.setObject(9, content);
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pst.setString(9, xmlText);
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pst.setString(10, vr.oid);
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pst.setTimestamp(11, Timestamp.valueOf(vr.ts));
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pst.executeUpdate();
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ServerWithLog4j.logger.info(sql);
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pst.close();
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flag = true;
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return flag;
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}
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public boolean deleteVersionRule(VersionRule vr)
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throws VCIError, SQLException {
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boolean flag = false;
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String sql = "delete from plversionrule where oid = ? and ts = ?";
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Connection connection = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = connection.prepareStatement(sql);
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pst.setString(1, vr.oid);
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String ts = vr.ts;
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pst.setTimestamp(2, Timestamp.valueOf(ts));
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pst.executeUpdate();
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flag = true;
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ServerWithLog4j.logger.info(sql);
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pst.close();
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return flag;
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}
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/**
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* 删除VersionRules
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* @throws SQLException
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*/
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public boolean deleteVersionRules(VersionRule[] vrs) throws VCIError, SQLException {
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for(VersionRule vr : vrs){
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deleteVersionRule(vr);
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}
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return true;
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}
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public VersionRule[] getVersionRules() throws VCIError, SQLException, IOException, DocumentException {
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//String sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, t.content.getclobval() content from plversionrule t";
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String sql = "";
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switch (HibernateSessionFactory.getDbType()) {
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case DM8:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, content from plversionrule t";
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break;
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case ORACL:
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default:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, t.content.getclobval() content from plversionrule t";
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break;
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}
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Connection connection = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = connection.prepareStatement(sql);
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ResultSet rs = pst.executeQuery();
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ServerWithLog4j.logger.info(sql);
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List<VersionRule> sps = new ArrayList<VersionRule>();
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while(rs.next()){
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VersionRule vr = getVR(rs);
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sps.add(vr);
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}
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rs.close();
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pst.close();
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return sps.toArray(new VersionRule[0]);
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}
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public VersionRule getVersionRule(String name) throws VCIError, SQLException, IOException, DocumentException {
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//String sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, t.content.getclobval() content from plversionrule t where t.name =?";
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String sql = "";
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switch (HibernateSessionFactory.getDbType()) {
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case DM8:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, content from plversionrule t where t.name =?";
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break;
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case ORACL:
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default:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, t.content.getclobval() content from plversionrule t where t.name =?";
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break;
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}
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Connection connection = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = connection.prepareStatement(sql);
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pst.setString(1, name);
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ResultSet rs = pst.executeQuery();
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ServerWithLog4j.logger.info(sql);
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VersionRule vr = null;
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while(rs.next()){
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vr = getVR(rs);
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}
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rs.close();
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pst.close();
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if(vr == null){
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vr = new VersionRule();
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}
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return vr;
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}
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public boolean xml2DB(String userName) throws VCIError {
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// List<VersionRule> news = Xml2DBDelegate.getInstance().getNews(userName);
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// if(news == null){
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// return true;
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// }
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// for(VersionRule o : news){
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// try{
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// addVersionRule(o);
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// }catch(Throwable e){
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// e.printStackTrace();
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// ServerWithLog4j.logger.warn(o.name + "迁移失败, 版本管理的迁移中止!");
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// return false;
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// }
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// }
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return true;
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}
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public VersionRule getVersionRuleByOid(String oid) throws VCIError, SQLException, IOException, DocumentException {
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// String sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, " +
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// "t.content.getclobval() content from plversionrule t where t.oid =?";
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String sql = "";
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switch (HibernateSessionFactory.getDbType()) {
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case DM8:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, " +
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"content from plversionrule t where t.oid =?";
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break;
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case ORACL:
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default:
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sql = "select oid, name, label, description, ts, creator, createtime, modifier, modifytime, " +
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"t.content.getclobval() content from plversionrule t where t.oid =?";
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break;
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}
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Connection connection = HibernateSessionFactory.getSessionConnection();
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PreparedStatement pst = connection.prepareStatement(sql);
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pst.setString(1, oid);
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ResultSet rs = pst.executeQuery();
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VersionRule vr = null;
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while(rs.next()){
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vr = getVR(rs);
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}
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rs.close();
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pst.close();
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if(vr == null){
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vr = new VersionRule();
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}
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return vr;
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}
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/**
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* 将一条数据库中的记录转化成btmitem
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* @param rs
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* @return
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* @throws SQLException
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*/
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public VersionRule getVR(ResultSet rs) throws SQLException, IOException, DocumentException{
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VersionRule vr = new VersionRule();
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String value = rs.getString("oid");
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vr.oid = (value == null ? "" : value);
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value = rs.getString("name");
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vr.name = (value == null ? "" : value);
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value = rs.getString("label");
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vr.tag = (value == null ? "" : value);
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value = rs.getString("description");
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vr.description = (value == null ? "" : value);
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vr.ts = OmdConstants.tsDF.format(rs.getTimestamp("ts"));
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value = rs.getString("creator");
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vr.creator = (value == null ? "" : value);
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vr.createTime = rs.getTimestamp("createTime").getTime();
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value = rs.getString("modifier");
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vr.modifier = (value == null ? "" : value);
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vr.modifyTime = rs.getTimestamp("modifyTime").getTime();
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//CLOB clob = (CLOB) rs.getClob("content");
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Clob clob = rs.getClob("content");
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Element vrDetails = getVRDetails(clob);
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VersionRuleHelper.getInstance().setVRValueFormDoc(vr, vrDetails);
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return vr;
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}
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/**
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* 将查询的clob对象转换成xml的element, 便于解析
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* @param clob
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* @return
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* @throws SQLException
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* @throws IOException
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* @throws DocumentException
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*/
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public Element getVRDetails(Clob clob) throws DocumentException, SQLException{
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SAXReader saxReader = new SAXReader();
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//Document document = saxReader.read(clob.characterStreamValue());
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Document document = saxReader.read(clob.getCharacterStream());
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Element root = document.getRootElement();
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return root;
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}
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}
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