Package org.apache.zookeeper.server.persistence

Examples of org.apache.zookeeper.server.persistence.FileHeader.deserialize()

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    FileInputStream fis = new FileInputStream(snapshotPath);
    BinaryInputArchive ia = BinaryInputArchive.getArchive(fis);
    Map<Long, Integer> sessions = new HashMap<Long, Integer>();
    DataTree dt = new DataTree();
    FileHeader header = new FileHeader();
    header.deserialize(ia, "fileheader");
    if (header.getMagic() != FileSnap.SNAP_MAGIC)
    {
      throw new IOException("mismatching magic headers " + header.getMagic()
          + " !=  " + FileSnap.SNAP_MAGIC);
    }
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      throws FileNotFoundException, IOException, EOFException
  {
    FileInputStream fis = new FileInputStream(logfilepath);
    BinaryInputArchive logStream = BinaryInputArchive.getArchive(fis);
    FileHeader fhdr = new FileHeader();
    fhdr.deserialize(logStream, "fileheader");

    if (fhdr.getMagic() != FileTxnLog.TXNLOG_MAGIC)
    {
      System.err.println("Invalid magic number for " + logfilepath);
      System.exit(2);
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    FileInputStream fis = new FileInputStream(snapshotPath);
    BinaryInputArchive ia = BinaryInputArchive.getArchive(fis);
    Map<Long, Integer> sessions = new HashMap<Long, Integer>();
    DataTree dt = new DataTree();
    FileHeader header = new FileHeader();
    header.deserialize(ia, "fileheader");
    if (header.getMagic() != FileSnap.SNAP_MAGIC) {
      throw new IOException("mismatching magic headers " + header.getMagic() + " !=  "
          + FileSnap.SNAP_MAGIC);
    }
    SerializeUtils.deserializeSnapshot(dt, ia, sessions);
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  private static void readTransactionLog(String logfilepath) throws FileNotFoundException,
      IOException, EOFException {
    FileInputStream fis = new FileInputStream(logfilepath);
    BinaryInputArchive logStream = BinaryInputArchive.getArchive(fis);
    FileHeader fhdr = new FileHeader();
    fhdr.deserialize(logStream, "fileheader");

    if (fhdr.getMagic() != FileTxnLog.TXNLOG_MAGIC) {
      System.err.println("Invalid magic number for " + logfilepath);
      System.exit(2);
    }
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        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
        Assert.assertTrue("Missing magic number ",
              header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
    }
}
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            System.exit(2);
        }
        FileInputStream fis = new FileInputStream(args[0]);
        BinaryInputArchive logStream = BinaryInputArchive.getArchive(fis);
        FileHeader fhdr = new FileHeader();
        fhdr.deserialize(logStream, "fileheader");

        if (fhdr.getMagic() != FileTxnLog.TXNLOG_MAGIC) {
            System.err.println("Invalid magic number for " + args[0]);
            System.exit(2);
        }
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        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
        LOG.info("Received magic : " + header.getMagic() +
              " Expected : " + FileTxnLog.TXNLOG_MAGIC);
        Assert.assertTrue("Missing magic number ",
              header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
    }
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        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
        LOG.info("Received magic : " + header.getMagic() +
              " Expected : " + FileTxnLog.TXNLOG_MAGIC);
        Assert.assertTrue("Missing magic number ",
              header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
    }
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        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
        LOG.info("Received magic : " + header.getMagic() +
              " Expected : " + FileTxnLog.TXNLOG_MAGIC);
        Assert.assertTrue("Missing magic number ",
              header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
    }
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    public static boolean isTransactionFile(String file) throws IOException {
        RandomAccessFileReader reader = new RandomAccessFileReader(new File(file));
        BinaryInputArchive logStream = new BinaryInputArchive(reader);
        FileHeader fhdr = new FileHeader();
        fhdr.deserialize(logStream, "fileheader");
  reader.close();

        return fhdr.getMagic() == FileTxnLog.TXNLOG_MAGIC;
    }
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