Examples of org.apache.derbyTesting.functionTests.util.streams.LoopingAlphabetStream

Package org.apache.derbyTesting.functionTests.util.streams

Examples of org.apache.derbyTesting.functionTests.util.streams.LoopingAlphabetStream

org.apache.derbyTesting.functionTests.util.streams.LoopingAlphabetStream
A stream returning a cycle of the 26 lowercase letters of the modern Latin alphabet.

      String cs2 = cs.substring(i1, 99) + cs.substring(0, i1);
      int i2 = i1 < 89 ? i1 + 10 : i1;
      ps.setString(2, cs2.substring(0, i2));
      //"t_blob"
      int blobLength = Rn.nextInt(102400 - 0 + 1) + 0;//to create a stream of random length between 0 and 100K
      streamIn = new LoopingAlphabetStream(blobLength);
      ps.setBinaryStream(3, streamIn, blobLength);
      //"t_clob
      int clobLength = Rn.nextInt(102400 - 0 + 1) + 0;//to create a stream of random length between 0 and 100K
      streamReader = new LoopingAlphabetReader(clobLength, CharAlphabet
          .modernLatinLowercase());

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      ds2 = cs.substring(Math.abs(Rn.nextInt() % 100));
      ps2.setString(1, ds2);
      break;
    case TBLOB:
      int blobLength = Rn.nextInt(102400 - 0 + 1) + 0;//to create a stream of random length between 0 and 100K
      streamIn = new LoopingAlphabetStream(blobLength);
      ps2.setBinaryStream(1, streamIn, blobLength);


      break;
    case TCLOB:
      int clobLength = Rn.nextInt(102400 - 0 + 1) + 0;//to create a stream of random length between 0 and 100K

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                charIn = new LoopingAlphabetReader(post);
                total += transferData(charIn, TRANSFER_BUFFER_SIZE);
                break;
            } case SET_ASCII_STREAM: {
                OutputStream asciiOut = this.clob.setAsciiStream(1L);
                InputStream asciiIn = new LoopingAlphabetStream(pre);
                total += transferData(asciiIn, asciiOut, TRANSFER_BUFFER_SIZE);
                byte[] tokenBytes = token.getBytes("ISO-8859-1");
                asciiOut.write(tokenBytes, 0, tokenBytes.length);
                total += tokenBytes.length;
                asciiIn = new LoopingAlphabetStream(post);
                total += transferData(asciiIn, asciiOut, TRANSFER_BUFFER_SIZE);
                break;
            } case SET_CHARACTER_STREAM: {
                Writer charOut = this.clob.setCharacterStream(1L);
                Reader charIn = new LoopingAlphabetReader(pre);

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            "insert into testClob (al, bl, cl, dl, el, b) values(?,?,?,?,?,?)");
        ps.setString(1,Formatters.padString("blaaa",2000));
        ps.setString(2,Formatters.padString("tralaaaa",3000));
        ps.setString(3,Formatters.padString("foodar",2000));
        ps.setString(4,Formatters.padString("moped",3000));
        InputStream streamIn = new LoopingAlphabetStream(10000);
        ps.setAsciiStream(5, streamIn, 10000);
        ps.setInt(6, 1);
        ps.executeUpdate();
        streamIn.close();
        ps.close();
        commit();


        stmt = createStatement();
        rs = stmt.executeQuery("select el from testClob");

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            "insert into testBlob (al, bl, cl, dl, el, b) values(?,?,?,?,?,?)");
        ps.setString(1,Formatters.padString("blaaa",2000));
        ps.setString(2,Formatters.padString("tralaaaa",3000));
        ps.setString(3,Formatters.padString("foodar",2000));
        ps.setString(4,Formatters.padString("moped",3000));
        InputStream streamIn = new LoopingAlphabetStream(10000);
        ps.setBinaryStream(5, streamIn, 10000);
        ps.setInt(6, 1);
        ps.executeUpdate();
        streamIn.close();
        ps.close();
        commit();


        stmt = createStatement();
        rs = stmt.executeQuery("select el from testBlob");

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        getConnection().setAutoCommit(false);


        PreparedStatement ps = prepareStatement(
                "insert into testBlob(b, a) values(?,?)");
        for (int i = 0; i < 3; i++) {
            InputStream fis = new LoopingAlphabetStream(300000);
            ps.setInt(1, i);
            ps.setBinaryStream(2, fis, 300000);
            ps.executeUpdate();
            fis.close();
        }
        commit();


        getConnection().setAutoCommit(true);

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    private void insertLoopingAlphabetStreamData(
            PreparedStatement ps,
            int lobLength)
        throws Exception
    {
        ps.setBinaryStream(1, new LoopingAlphabetStream(lobLength), lobLength);
        ps.setInt(2, lobLength);
        ps.setLong(3, getStreamCheckSum(new LoopingAlphabetStream(lobLength)));
        ps.executeUpdate();
    }

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            }
            return b;
        }


        public void resetStream() throws IOException, StandardException {
            this.stream = new LoopingAlphabetStream(length, ALPHABET);
            this.encodedLengthRemaining = 2;
            this.eofMarkerRemaining = 3;
        }

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            this.encodedLengthRemaining = 2;
            this.eofMarkerRemaining = 3;
        }


        public void initStream() throws StandardException {
            this.stream = new LoopingAlphabetStream(length, ALPHABET);
            this.encodedLengthRemaining = 2;
            this.eofMarkerRemaining = 3;
        }

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        insertAttach.setInt(1, rs.getInt(1));
        insertAttach.setInt(2, rs.getInt(2));
        try {
          // to create a stream of random length between 0 and 5M
          int blobLength = Rn.nextInt(5130000 - 0 + 1) + 0;
          streamIn = new LoopingAlphabetStream(blobLength);
          insertAttach.setBinaryStream(3, streamIn, blobLength);
        } catch (Exception e) {
          MailJdbc.logAct.logMsg(LogFile.ERROR + thread_name + " : "
              + "Exception : " + e.getMessage());
          errorPrint(e);

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