Examples of org.apache.derby.io.StorageRandomAccessFile.seek()

Class org.apache.derby.io.StorageRandomAccessFile

Examples of org.apache.derby.io.StorageRandomAccessFile.seek()

org.apache.derby.io.StorageRandomAccessFile.seek()
Set the file pointer. It may be moved beyond the end of the file, but this does not change the length of the file. The length of the file is not changed until data is actually written.. @param newFilePointer the new file pointer, measured in bytes from the beginning of the file. @exception IOException - if newFilePointer is less than 0 or an I/O error occurs.


            // set the log to the true end position,
                        // and not the end of the file


            lastFlush = endPosition;
            theLog.seek(endPosition);
          }
        }


        if (theLog != null)
          logOut = new LogAccessFile(this, theLog, logBufferSize);

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          {
            //extend the file by wring zeros to it
            preAllocateNewLogFile(newLog);
            newLog.close();
            newLog = openLogFileInWriteMode(newLogFile);
            newLog.seek(endPosition);
          }


          logOut = new LogAccessFile(this, newLog, logBufferSize);
          newLog = null;

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      {
        if (SanityManager.DEBUG_ON(TEST_LOG_FULL))
          testLogFull();
      }


      logControlFile.seek(0);
      logControlFile.write(baos.toByteArray());
            syncFile(logControlFile);
            logControlFile.close();


      // write the same data to mirror control file

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      {
        logControlFile = null;
        return false;
      }


      logControlFile.seek(0);
      logControlFile.write(baos.toByteArray());
            syncFile(logControlFile);


    }
    finally

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        log.close();
        log = null;
      }
      else
      {
        log.seek(filepos);
      }
    }
    catch (IOException ioe)
    {
      try

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                                               "rw");
            }
            logOut = new LogAccessFile(this, logFile, logBufferSize);


            lastFlush = endPosition;
            logFile.seek(endPosition); // append log records at the end of
            // the file


        } catch (IOException ioe) {
            throw StandardException.newException
                (SQLState.REPLICATION_UNEXPECTED_EXCEPTION, ioe);

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              //extend the file by wring zeros to it
              preAllocateNewLogFile(theLog);
              theLog.close();
              theLog = openLogFileInWriteMode(logFile);
              //postion the log at the current end postion
              theLog.seek(endPosition);
            }
            
            if (SanityManager.DEBUG)
            {
              SanityManager.ASSERT(

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            //


            //find out if log had incomplete log records at the end.
            if (redoScan.isLogEndFuzzy())
            {
              theLog.seek(endPosition);
              long eof = theLog.length();


              Monitor.logTextMessage(MessageId.LOG_INCOMPLETE_LOG_RECORD,
                logFile, new Long(endPosition), new Long(eof));

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            // set the log to the true end position,
                        // and not the end of the file


            lastFlush = endPosition;
            theLog.seek(endPosition);
          }
        }


        if (theLog != null)
                {

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          {
            //extend the file by wring zeros to it
            preAllocateNewLogFile(newLog);
            newLog.close();
            newLog = openLogFileInWriteMode(newLogFile);
            newLog.seek(endPosition);
          }


          logOut = new LogAccessFile(this, newLog, logBufferSize);
          newLog = null;

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