//
  // Find all the methods for java.sql objects in the Connection which raise
  // SQLFeatureNotSupportedException.
  //
  private void connectionWorkhorse(
      Connection conn, HashSet<String> unsupportedList, HashSet<String> notUnderstoodList)
      throws Exception {
    vetSavepoint(conn, unsupportedList, notUnderstoodList);
    vetLargeObjects(conn, unsupportedList, notUnderstoodList);

    DatabaseMetaData dbmd = conn.getMetaData();
    PreparedStatement ps = conn.prepareStatement("select * from sys.systables where tablename = ?");

    ps.setString(1, "foo");

    ParameterMetaData parameterMetaData = ps.getParameterMetaData();
    ResultSet rs = ps.executeQuery();
    ResultSetMetaData rsmd = rs.getMetaData();
    Statement stmt = conn.createStatement();

    CallableStatement cs = conn.prepareCall("CALL SYSCS_UTIL.SET_RUNTIMESTATISTICS(0)");
    ParameterMetaData csmd = cs.getParameterMetaData();

    //
    // The vetObject() method calls all of the methods in these objects
    // in a deterministic order, calling the close() method last.
    // Inspect these objects in an order which respects the fact that
    // the objects are closed as a result of calling vetObject().
    //
    vetObject(dbmd, unsupportedList, notUnderstoodList);
    vetObject(stmt, unsupportedList, notUnderstoodList);
    vetObject(csmd, unsupportedList, notUnderstoodList);
    vetObject(cs, unsupportedList, notUnderstoodList);
    vetObject(rsmd, unsupportedList, notUnderstoodList);
    vetObject(rs, unsupportedList, notUnderstoodList);
    vetObject(parameterMetaData, unsupportedList, notUnderstoodList);
    vetObject(ps, unsupportedList, notUnderstoodList);
    vetObject(conn, unsupportedList, notUnderstoodList);

    // No need to close the objects. They were closed by vetObject().
  }
  static void task4()
      throws FileNotFoundException, IOException, InterruptedException, SQLException {
    System.out.println("Task4 Started...");
    BufferedReader br = new BufferedReader(new FileReader(inputFile));
    br.readLine();
    br.readLine();
    br.readLine();
    br.readLine();
    String task4Input = br.readLine();
    br.close();
    double supportPercent =
        Double.parseDouble(
            task4Input.split(":")[1].split(",")[0].split("=")[1].split("%")[0].trim());
    double confidence =
        Double.parseDouble(
            task4Input.split(":")[1].split(",")[1].split("=")[1].split("%")[0].trim());
    int size = Integer.parseInt(task4Input.split(":")[1].split(",")[2].split("=")[1].trim());
    if (supportPercent >= 0 && size >= 2 && confidence >= 0) {
      System.out.println("Task4 Confidence Percent: " + confidence);
      System.out.println("Task4 Support Percent: " + supportPercent);
      System.out.println("Task4 Size : " + size);

      BufferedWriter bw = new BufferedWriter(new FileWriter("system.out.4"));
      for (int i = 2; i <= size; i++) {
        CallableStatement cstmt = con.prepareCall("{CALL GenerateAR(?,?,?)}");
        cstmt.setDouble(1, confidence / 100);
        cstmt.setInt(2, i);
        cstmt.setDouble(3, supportPercent / 100);
        cstmt.executeQuery();

        String sqlTask4 = "select * from artable order by ruleid,confidence";
        PreparedStatement selTask4 = con.prepareStatement(sqlTask4);
        ResultSet rsTask4 = selTask4.executeQuery(sqlTask4);

        String leftSet = "";
        String rightSet = "";
        Boolean resultSetExhausted = false;
        String itemName;
        String isLeft;
        Double support;
        Double conf;
        if (rsTask4.next()) {
          while (true && !resultSetExhausted) {

            leftSet = "{";
            rightSet = "{";
            for (int j = 0; j < i; j++) {
              itemName = rsTask4.getString(3);
              isLeft = rsTask4.getString(5);
              // support = rsTask4.getBigDecimal(6);
              // conf = rsTask4.getBigDecimal(4);
              if (j == 0) {

                if (isLeft.equals("Y")) leftSet = leftSet + itemName;
                else rightSet = rightSet + itemName;
                if (!rsTask4.next()) {
                  resultSetExhausted = true;
                  break;
                }
              }
              if (j == i - 1) {
                if (isLeft.equals("Y")) {
                  if (leftSet.equals("{")) leftSet = leftSet + itemName;
                  else leftSet = leftSet + "," + itemName;
                } else {
                  if (rightSet.equals("{")) rightSet = rightSet + itemName;
                  else rightSet = rightSet + ", " + itemName;
                }

                leftSet = leftSet + "}";
                rightSet = rightSet + "}";
                String resultString =
                    "{"
                        + leftSet
                        + " - > "
                        + rightSet
                        + "} s="
                        + rsTask4.getDouble(6)
                        + "%, c="
                        + rsTask4.getDouble(4)
                        + "%";
                bw.write(resultString);
                bw.newLine();
                leftSet = "{";
                rightSet = "{";
                if (!rsTask4.next()) {
                  resultSetExhausted = true;
                  break;
                }
              }

              if (j > 0 && j < i - 1) {

                if (isLeft.equals("Y")) {
                  if (leftSet.equals("{")) leftSet = leftSet + itemName;
                  else leftSet = leftSet + ", " + itemName;
                } else {
                  if (rightSet.equals("{")) rightSet = rightSet + itemName;
                  else rightSet = rightSet + ", " + itemName;
                }
                if (!rsTask4.next()) {
                  resultSetExhausted = true;
                  break;
                }
              }
            }
          }
        }
      }
      bw.close();
      System.out.println("Task4 Completed...\n");
    } else
      System.out.println(
          "For Task4, supportPercent and confidence should be a positive numbers and size should be greater than or equal to 2");
  }
  static void task3()
      throws FileNotFoundException, IOException, InterruptedException, SQLException {
    System.out.println("Task3 Started..");
    BufferedReader br = new BufferedReader(new FileReader(inputFile));
    br.readLine();
    br.readLine();
    br.readLine();
    String task3Input = br.readLine();
    br.close();
    double supportPercent =
        Double.parseDouble(
            task3Input.split(":")[1].split(",")[0].split("=")[1].split("%")[0].trim());
    int size = Integer.parseInt(task3Input.split(":")[1].split(",")[1].split("=")[1].trim());
    if (supportPercent >= 0 && size > 0) {
      System.out.println("Task3 Size : " + size);
      System.out.println("Task3 Support Percent: " + supportPercent);
      BufferedWriter bw = new BufferedWriter(new FileWriter("system.out.3"));
      for (int i = 1; i <= size; i++) {
        CallableStatement cstmt = con.prepareCall("{CALL GenerateFI(?,?)}");
        cstmt.setInt(1, i);
        cstmt.setDouble(2, supportPercent / 100);
        cstmt.executeQuery();

        String sqlTask3 =
            "select i.itemname,f.percent from FISet f ,items i where f.itemid = i.itemid order by f.percent,f.isetid";
        // String sqlTask3 = "select i.itemname,f.percent from FISet f ,items i where f.itemid =
        // i.itemid order by f.isetid";
        PreparedStatement selTask3 = con.prepareStatement(sqlTask3);
        ResultSet rsTask3 = selTask3.executeQuery(sqlTask3);

        int j = 1;
        String res = "";
        j = 1;
        while (rsTask3.next()) {

          if (j == 1) {

            res += "{";
          }
          res = res + rsTask3.getString(1);
          if (j == i) {
            res += "}, s=" + rsTask3.getDouble(2) + "%";
            bw.write(res);
            bw.newLine();
            j = 1;
            res = "";
          } else {
            res += ", ";
            j++;
          }
        }
        rsTask3.close();
        selTask3.close();
      }
      bw.close();
      System.out.println("Task3 Completed...\n");
    } else {
      System.out.println(
          "Support percent should a postive number and size should be a positive integer.");
    }
  }
Exemple #4
0
  public static void main(String[] argv) throws Exception {
    String[] sArray = new String[8];
    long time = System.currentTimeMillis();
    try {
      FileInputStream fstream = new FileInputStream("system.in");
      DataInputStream in = new DataInputStream(fstream);
      BufferedReader br = new BufferedReader(new InputStreamReader(in));
      int i = 0;
      while ((sArray[i] = br.readLine()) != null) {
        sArray[i] = sArray[i].split("=")[1].trim();
        System.out.println(sArray[i]);
        i++;
      }
      in.close();
    } catch (Exception e) {

    }
    System.out.println("-------- Oracle JDBC Connection Testing ------");

    try {

      Class.forName("oracle.jdbc.driver.OracleDriver");

    } catch (ClassNotFoundException e) {

      System.out.println("Where is your Oracle JDBC Driver?");
      e.printStackTrace();
      return;
    }

    System.out.println("Oracle JDBC Driver Registered!");

    Connection connection = null;

    try {

      connection =
          DriverManager.getConnection(
              "jdbc:oracle:thin:@//oracle1.cise.ufl.edu:1521/orcl", sArray[0], sArray[1]);

    } catch (SQLException e) {

      System.out.println("Connection Failed! Check output console");
      e.printStackTrace();
      return;
    }
    ResultSet rset = null;
    if (connection != null) {
      System.out.println(" -|||- ");

      Process p =
          Runtime.getRuntime()
              .exec("sqlplus " + sArray[0] + "@orcl/" + sArray[1] + " @adwords.sql");
      p.waitFor();

      // CallableStatement cstmt;
      System.out.println(" ||| ");

      System.out.println(
          "Time taken in Milliseconds (establishing connection): "
              + (System.currentTimeMillis() - time));
      time = System.currentTimeMillis();

      Process proc3 =
          Runtime.getRuntime()
              .exec(
                  "sqlldr "
                      + sArray[0]
                      + "/"
                      + sArray[1]
                      + "@orcl DATA=Keywords.dat CONTROL=Keywords.ctl LOG=Keywords.log");
      proc3.waitFor();

      Process proc1 =
          Runtime.getRuntime()
              .exec(
                  "sqlldr "
                      + sArray[0]
                      + "/"
                      + sArray[1]
                      + "@orcl DATA=Advertisers.dat CONTROL=Advertisers.ctl LOG=Advertiser.log");
      proc1.waitFor();

      Process proc2 =
          Runtime.getRuntime()
              .exec(
                  "sqlldr "
                      + sArray[0]
                      + "/"
                      + sArray[1]
                      + "@orcl DATA=Queries.dat CONTROL=Queries.ctl LOG=Queries.log");
      proc2.waitFor();
      System.out.println(" ||| ");

      System.out.println(
          "Time taken in Milliseconds (loading dat): " + (System.currentTimeMillis() - time));
      time = System.currentTimeMillis();

      CallableStatement callableStatement = null;
      String storeProc = "{call sq(?,?,?,?,?,?)}";

      try {
        callableStatement = connection.prepareCall(storeProc);
        callableStatement.setInt(1, Integer.parseInt(sArray[2]));
        callableStatement.setInt(2, Integer.parseInt(sArray[3]));
        callableStatement.setInt(3, Integer.parseInt(sArray[4]));
        callableStatement.setInt(4, Integer.parseInt(sArray[5]));
        callableStatement.setInt(5, Integer.parseInt(sArray[6]));
        callableStatement.setInt(6, Integer.parseInt(sArray[7]));
        callableStatement.executeUpdate();
      } catch (SQLException e) {
        System.out.println(e.getMessage());
      }

      /*callableStatement = connection.prepareCall("{call sq( " +
      Integer.parseInt(sArray[2]) + ", " +
      Integer.parseInt(sArray[3]) + ", " +
      Integer.parseInt(sArray[4]) + ", " +
      Integer.parseInt(sArray[5]) + ", " +
      Integer.parseInt(sArray[6]) + ", " +
      Integer.parseInt(sArray[7]) + " ) }");*/
      System.out.println(" ||| ");

      System.out.println(
          "Time taken in Milliseconds (sql procedure): " + (System.currentTimeMillis() - time));
      time = System.currentTimeMillis();

      FileWriter fw = null;
      File file = null;
      PrintWriter pw = null;
      Statement resStmt = null;
      ResultSet resRs = null;
      int qid = 0;
      int rank;

      for (int i = 0; i < 6; i++) {

        file = new File("system.out." + (i + 1));
        try {
          if (!file.exists()) file.createNewFile();
          else file.delete();

          fw = new FileWriter(file.getPath(), true);
        } catch (Exception e) {
          System.out.println(e.getMessage());
        }
        pw = new PrintWriter(fw);
        resStmt = connection.createStatement();
        resRs =
            resStmt.executeQuery(
                "SELECT * FROM OUTPUT" + (i + 1) + " order by qid asc, adrank asc");
        while (resRs.next()) {
          qid = resRs.getInt("QID");
          rank = (int) resRs.getFloat("ADRANK");
          int advertiserId = resRs.getInt("ADVERTISERID");
          float balance = resRs.getFloat("BALANCE");
          float budget = resRs.getFloat("BUDGET");
          StringBuffer resStr = new StringBuffer();
          resStr.append(qid + "," + rank + "," + advertiserId + "," + balance + "," + budget);
          // System.out.println(resStr.toString());
          pw.println(resStr.toString());
        }

        pw.close();
      }

    } else {
      System.out.println("Failed to make connection!");
    }

    System.out.println(
        "Time taken in Milliseconds (file write): " + (System.currentTimeMillis() - time));
  }