自動採番処理

来源：互联网发布：手机版的淘宝助理编辑：程序博客网时间：2024/04/27 14:23

/**
* 
* [機能]自動採番処理
* 
* 
* [説明]
* 
* 
* [備考]
* 
*
* @return 番号
*/
public long saiban(int ID) throws Exception {

  Connection conn = null;
  PreparedStatement stmt = null;
  ResultSet rset = null;
  try {

// 戻り値
long retBangou = 0;

   long maxID = 0;
   boolean bolFirst = true;
   String fieldNm = "";

   // SQL文の宣言
   String strSQL = "";
   String strUpdSQL = "";
   String strMaxSQL = "";

ArrayList retList = new ArrayList();

while (retBangou <= maxID ) {
 if (bolFirst == false) {
 retBangou = maxID + 1;
 } else {
 bolFirst = false;
 // 番号の取得
 // 選択SQL文の編集
 strSQL = " SELECT ";
 strSQL = strSQL + " BANGOU + 1 AS BANGOU ";
 strSQL = strSQL + " FROM LND_M_HOUZINBANGOU";
 strSQL = strSQL + " WHERE ID = " + ID;
 strSQL = strSQL + " for update";

     // 実行
     conn = getConnection();
     if (conn == null) {
      log.error("InServiceUpdateDB:main::conn is null");
      throw new Exception(getLogMessage("DB_ERR_GETCON"));
     }
     log.fatal("認証用SQL=" + strSQL);
     conn.setAutoCommit(false);
     stmt = conn.prepareStatement(strSQL);
     rset = stmt.executeQuery();

ResultSetMetaData rsmd = rset.getMetaData();
 int columnCount = rsmd.getColumnCount();
 ArrayList rows = new ArrayList();
 while (rset.next()) {
 HashMap row = new HashMap();
 for (int i = 1; i <= columnCount; i++) {
 String name = rsmd.getColumnName(i);
 Object obTemp = null;
 obTemp = rset.getObject(i);
 if (rset.getObject(i) instanceof java.lang.String) {
 try {

         obTemp = unicodeToWin(rset.getObject(i)
           .toString());
        } catch (Exception e) {
         // e.printStackTrace();
        }
       }
       row.put(name, obTemp == null ? "" : obTemp);
      }
      rows.add(row);
     }

retList = rows;

if (retList.size() < 1) {
 // 追加SQL文の編集
 strUpdSQL = "";
 strUpdSQL = strUpdSQL
 + "INSERT INTO LND_M_HOUZINBANGOU";
 strUpdSQL = strUpdSQL
 + " (ID, BANGOU, INSERT_DATE, UPDATE_DATE)";
 strUpdSQL = strUpdSQL + " VALUES (" + ID;
 strUpdSQL = strUpdSQL + " , 1, SYSDATE, SYSDATE)";

     } else {
      HashMap hm = (HashMap) retList.get(0);
      if (hm.get("BANGOU") != null) {
       retBangou = Long.parseLong(hm.get("BANGOU")
         .toString());
       if (retBangou >= 9999999) {
        retBangou = 1;
       }
      } else {
       retBangou = 1;
      }

     }
    }
    // 更新SQL文の編集
    strUpdSQL = "";
    strUpdSQL = strUpdSQL + " UPDATE LND_M_HOUZINBANGOU";
    strUpdSQL = strUpdSQL + " SET BANGOU = " + retBangou;
    strUpdSQL = strUpdSQL + " , UPDATE_DATE = SYSDATE";
    strUpdSQL = strUpdSQL + " WHERE ID = " + ID;

    // 番号の更新実行
    stmt = conn.prepareStatement(winToUnicode(strUpdSQL));
    int RowCount = stmt.executeUpdate();

conn.commit();

    if (stmt != null) {
     stmt.close();
    }
    // MAX番号の取得
    // 選択SQL文の編集
    switch (ID) {
    case Define.ID_ORG:
     // 法人情報当初
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(HOUJINCODE) HOUJINCODE";
     strMaxSQL = strMaxSQL + " FROM LND_T_HOUZINORG";
     fieldNm = "HOUJINCODE";
     break;
    case Define.ID_NEW:
     // 法人情報最新
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(HOUJINCODE) HOUJINCODE";
     strMaxSQL = strMaxSQL + " FROM LND_T_HOUZINNEW";
     fieldNm = "HOUJINCODE";
     break;
    case Define.ID_LOG:
     // 法人情報更新ログ最新
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(HISTORY_ID) HISTORY_ID";
     strMaxSQL = strMaxSQL + " FROM LND_T_LOG";
     fieldNm = "HISTORY_ID";
     break;
    case Define.ID_RIREKI:
     // 一括実行履歴
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(RIREKI_ID) RIREKI_ID";
     strMaxSQL = strMaxSQL + " FROM LND_T_ZIKOURIREKI";
     fieldNm = "RIREKI_ID";
     break;
    case Define.ID_ADDERR:
     // 法人追加エラー
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(ID) ID";
     strMaxSQL = strMaxSQL + " FROM LND_T_HOUZINADDERR";
     fieldNm = "ID";
     break;
    case Define.ID_DELERR:
     // 法人削除エラー
     strMaxSQL = "";
     strMaxSQL = "SELECT MAX(ID) ID";
     fieldNm = "ID";
     strMaxSQL = strMaxSQL + " FROM LND_T_HOUZINDELERR";
     break;
    }

    // 実行
    retList = new ArrayList();
    retList = GetList(strMaxSQL);
    if (retList.size() > 0) {
     HashMap hm = (HashMap) retList.get(0);
     if (hm.get(fieldNm) != null) {
      maxID = Long.parseLong(hm.get(fieldNm).toString());
     }
    }
   }

return retBangou;

  } catch (SQLException sqle) {
   throw new Exception(sqle);
  } finally {
   try {

    if (stmt != null) {
     stmt.close();
    }
    if (rset != null) {
     rset.close();
    }
    if (conn != null) {
     release(conn);
    }
   } catch (SQLException sqle) {
    throw new Exception(sqle);
   }
  }

}