Examples of GGXMLTrailTransactionFinder


Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    log.info("starting");

    File dir = createTempDir();

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();

    // Now delete the directory to make the locateFilePosition() see null for listFiles() call.
    boolean deleted = dir.delete();
    Assert.assertTrue(deleted, "Deleted the trail directory successfully");
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     100 /* corrupt first SCN */, "xyzzy", false, "");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // SCN 100 is corrupted, so 101 is the effective oldest SCN => 100 treated as error:
    res = posSetter.locateFilePosition(100, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                        "expected error for exact-match SCN that's corrupted and oldest in all trail files.");

    // SCN 101 is OK (regexQuery() doesn't fully validate XML):
    finder.reset();
    res = posSetter.locateFilePosition(TrailFilePositionSetter.USE_EARLIEST_SCN, finder);
    assertFilePositionResult(res, dir, 101, FilePositionResult.Status.FOUND);

    log.info(DONE_STRING);
  }
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     307 /* corrupt last SCN in 2nd file */, "plugh", false, "");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // corruption at SCN 307 occurs after SCN 299, so latter should be found OK:
    res = posSetter.locateFilePosition(299, finder);
    assertFilePositionResult(res, dir, 299, FilePositionResult.Status.FOUND);

    // SCN 306 is in same transaction as 307, but regexQuery() doesn't fully validate XML => OK
    finder.reset();
    res = posSetter.locateFilePosition(306, finder);
    assertFilePositionResult(res, dir, 306, FilePositionResult.Status.FOUND);

    log.info(DONE_STRING);
  }
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines and 2 SCNs each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     399 /* corrupt last SCN in 3rd file */, "quux", false, "");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // corruption at SCN 399 => should get 398 back (same transaction, but again, regexQuery() doesn't fully validate)
    res = posSetter.locateFilePosition(TrailFilePositionSetter.USE_LATEST_SCN, finder);
    assertFilePositionResult(res, dir, 398, FilePositionResult.Status.FOUND);
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     377 /* corrupt a txn in 3rd file */, "", true, "kilroy");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // with a full XML parser, this should throw an exception; with regexQuery(), it's fine:
    finder.reset();
    res = posSetter.locateFilePosition(377, finder);
    assertFilePositionResult(res, dir, 377, FilePositionResult.Status.FOUND);

    log.info(DONE_STRING);
  }
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     corruptedScns, "blargh", false, "");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // SCN 101 is before the earliest (valid) SCN present, so expect ERROR:
    res = posSetter.locateFilePosition(101, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                        "expected error for exact-match SCN that's 'too old'.");

    // For SCN <= the earliest transactions maxSCN, we throw error
    finder.reset();
    res = posSetter.locateFilePosition(102, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                      "expected error for exact-match SCN that's 'too old'.");

    // expect first non-corrupted SCN here, not first "transaction SCN":
    finder.reset();
    res = posSetter.locateFilePosition(TrailFilePositionSetter.USE_EARLIEST_SCN, finder);
    assertFilePositionResult(res, dir, 102, FilePositionResult.Status.FOUND);

    // 107 = max SCN of its transaction = "transaction SCN" => should get FOUND
    finder.reset();
    res = posSetter.locateFilePosition(107, finder);
    assertFilePositionResult(res, dir, 107, FilePositionResult.Status.FOUND);

    // 203 = last valid SCN in first file = max SCN of its transaction = "transaction SCN"
    // => should be FOUND
    finder.reset();
    res = posSetter.locateFilePosition(203, finder);
    assertFilePositionResult(res, dir, 203, FilePositionResult.Status.FOUND);

    // SCN 204 is invalid and is part of a transaction split across first/second files;
    // 209 = next "transaction SCN" and is near the top of the middle file
    finder.reset();
    res = posSetter.locateFilePosition(204, finder);
    assertFilePositionResult(res, dir, 209, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 250 is invalid (as is 251); expect 253 since max SCN of following transaction
    finder.reset();
    res = posSetter.locateFilePosition(250, finder);
    assertFilePositionResult(res, dir, 253, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 251 is invalid (as is 250); expect 253 since max SCN of following transaction
    finder.reset();
    res = posSetter.locateFilePosition(251, finder);
    assertFilePositionResult(res, dir, 253, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 252 is valid and present, but weird corner case => still EXACT_SCN_NOT_FOUND
    finder.reset();
    res = posSetter.locateFilePosition(252, finder);
    assertFilePositionResult(res, dir, 252, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 253 is valid and present and max SCN of its transaction => FOUND
    finder.reset();
    res = posSetter.locateFilePosition(253, finder);
    assertFilePositionResult(res, dir, 253, FilePositionResult.Status.FOUND);

    // SCN 309 is valid and present and max SCN of its transaction => FOUND (even though
    // split across second/third files, and following transaction is corrupted)
    finder.reset();
    res = posSetter.locateFilePosition(309, finder);
    assertFilePositionResult(res, dir, 309, FilePositionResult.Status.FOUND);

    // SCN 310 is invalid (as is 311); expect 313
    finder.reset();
    res = posSetter.locateFilePosition(310, finder);
    assertFilePositionResult(res, dir, 313, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 311 is invalid (as is 310); expect 313
    finder.reset();
    res = posSetter.locateFilePosition(311, finder);
    assertFilePositionResult(res, dir, 313, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 398 is invalid (as is 399) and is in last transaction of last file, but since
    // trail file is expected to continue growing (i.e., eventually to have a valid SCN
    // that's larger than the request), expect EXACT_SCN_NOT_FOUND rather than ERROR.  SCN
    // returned will be that of last valid transaction, i.e., 397.
    // [checks beginning of last valid transaction == 396/397 one at byte offset 35650]
    finder.reset();
    res = posSetter.locateFilePosition(398, finder);
    assertFilePositionResult(res, dir, 397, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // SCN 405 is completely missing (would be after last transaction of last file); expect
    // same behavior as previous case
    finder.reset();
    res = posSetter.locateFilePosition(405, finder);
    assertFilePositionResult(res, dir, 397, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // last valid transaction-SCN is 397
    finder.reset();
    res = posSetter.locateFilePosition(TrailFilePositionSetter.USE_LATEST_SCN, finder);
    assertFilePositionResult(res, dir, 397, FilePositionResult.Status.FOUND);

    log.info(DONE_STRING);
  }
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX, 150 /* numTxns, 24 lines each */,
                     1250 /* numLinesPerFile */, 1 /* numLinesPerNewline */, "\n", 0,
                     -1 /* no corruption */, "", false, "");

    TrailFilePositionSetter posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    FilePositionResult res;

    // SCN 99 is before the earliest SCN present in the trail files (100), so expect ERROR:
    res = posSetter.locateFilePosition(99, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                        "expected error for exact-match SCN that's too old.");

    // "Transaction-SCN" semantics:  max SCN is 121 in this transaction and 119 in the
    // previous one, so those are the values used for most of the "is it found?" logic.
    // Since 120 falls between the two but doesn't equal either one, it's not considered
    // to be found exactly (even though it's actually present), but the state is still
    // valid, so processing can continue (i.e., it doesn't matter).
    finder.reset();
    res = posSetter.locateFilePosition(120, finder);
    assertFilePositionResult(res, dir, 120, FilePositionResult.Status.EXACT_SCN_NOT_FOUND);

    // For SCN <= the earliest transactions maxSCN, we throw error
    finder.reset();
    res = posSetter.locateFilePosition(100, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                          "expected error for exact-match SCN that's too old.");

    // Related, weird corner case:  USE_EARLIEST_SCN uses the min SCN in the oldest transaction,
    // so even though an exact match for 100 doesn't return FOUND, this does:
    finder.reset();
    res = posSetter.locateFilePosition(TrailFilePositionSetter.USE_EARLIEST_SCN, finder);
    assertFilePositionResult(res, dir, 100, FilePositionResult.Status.FOUND);

    // For SCN <= the earliest transactions maxSCN, we throw error
    finder.reset();
    res = posSetter.locateFilePosition(101, finder);
    Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                                  "expected error for exact-match SCN that's too old.");

    log.info(DONE_STRING);
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

    createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX,startScn, endScn,1,"\n",startLine, -1, "", false, "");
    log.info("Directory is: " + dir);

    TrailFilePositionSetter posSetter = null;
    //GoldenGateTransactionSCNFinder finder;
    GGXMLTrailTransactionFinder finder;

    //less than minScn
    for (long i = 0 ; i < beginFoundScn ; i ++)
    {
      posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
      //finder = new GoldenGateTransactionSCNFinder();
      finder = new GGXMLTrailTransactionFinder();

      FilePositionResult res = posSetter.locateFilePosition(i,finder);
      Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                          "Result Status for SCN: " + i + ", Result: " + res);
    }

    //Found Case
    for (long i = beginFoundScn ; i < (startScn + endScn) ; i ++)
    {
      posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
      //finder = new GoldenGateTransactionSCNFinder();
      finder = new GGXMLTrailTransactionFinder();

      FilePositionResult res = posSetter.locateFilePosition(i,finder);
      log.info("For scn (" + i + "):  the result is:  "  + res);
      if (i%2 == 0)
        assertFilePositionResult(res,dir,i+1,FilePositionResult.Status.EXACT_SCN_NOT_FOUND);
      else
        assertFilePositionResult(res,dir,i,FilePositionResult.Status.FOUND);
    }

    //Found Case
    for (long i = (startScn + endScn) ; i < (startScn + endScn) + 20 ; i ++)
    {
      posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
      //finder = new GoldenGateTransactionSCNFinder();
      finder = new GGXMLTrailTransactionFinder();

      FilePositionResult res = posSetter.locateFilePosition(i,finder);
      log.info("For scn (" + i + "):  the result is:  "  + res);
      assertFilePositionResult(res,dir,299,FilePositionResult.Status.EXACT_SCN_NOT_FOUND);
    }
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

                     startScn);
    log.info("Directory is: " + dir);

    TrailFilePositionSetter posSetter = null;
    // GoldenGateTransactionSCNFinder finder = new GoldenGateTransactionSCNFinder();
    GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();
    posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);

    // SCN 100 is not found because this is the first SCN in the trail file.
    FilePositionResult res = posSetter.locateFilePosition(100, finder);
    Assert.assertEquals(res.getStatus(),
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Examples of com.linkedin.databus2.producers.db.GGXMLTrailTransactionFinder

      createTrailFiles(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX,startScn, endScn,1,newLine,startLine, -1, "", false, "");
      log.info("Directory is: " + dir);

      TrailFilePositionSetter posSetter = null;
      //GoldenGateTransactionSCNFinder finder = new GoldenGateTransactionSCNFinder();
      GGXMLTrailTransactionFinder finder = new GGXMLTrailTransactionFinder();

      //less than minScn
      for (long i = 0 ; i < beginFoundScn ; i ++)
      {
        posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
        Logger log2 = posSetter._log;
        log2.setLevel(Level.INFO);
        log2.info("Created a TrailFilePositionSetter with suffix x3");
        //finder = new GoldenGateTransactionSCNFinder();
        finder = new GGXMLTrailTransactionFinder();

        FilePositionResult res = posSetter.getFilePosition(i,finder);
        Assert.assertEquals(res.getStatus(), FilePositionResult.Status.ERROR,
                            "Result Status for SCN: " + i + ", Result: " + res);
      }

      //Found Case
      for (long i = beginFoundScn ; i < (startScn + endScn) ; i ++)
      {
        posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
        //finder = new GoldenGateTransactionSCNFinder();
        finder = new GGXMLTrailTransactionFinder();

        FilePositionResult res = posSetter.getFilePosition(i,finder);
        log.info("For scn (" + i + "):  the result is:  "  + res);
        if (i%2 == 0)
          assertFilePositionResult(res,dir,i+1,FilePositionResult.Status.EXACT_SCN_NOT_FOUND);
        else
          assertFilePositionResult(res,dir,i,FilePositionResult.Status.FOUND);
      }

      //Found Case
      for (long i = (startScn + endScn) ; i < (startScn + endScn) + 20 ; i ++)
      {
        posSetter = new TrailFilePositionSetter(dir.getAbsolutePath(), TRAIL_FILENAME_PREFIX);
        //finder = new GoldenGateTransactionSCNFinder();
        finder = new GGXMLTrailTransactionFinder();

        FilePositionResult res = posSetter.getFilePosition(i,finder);
        log.info("For scn (" + i + "):  the result is:  "  + res);
        assertFilePositionResult(res,dir,299,FilePositionResult.Status.EXACT_SCN_NOT_FOUND);
      }
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