Examples of OFile

com.orientechnologies.orient.core.storage.fs.OFile
Header structure:

+-----------+--------------+---------------+---------------+
| FILE SIZE | FILLED UP TO | SOFTLY CLOSED | SECURITY CODE |
| 4 bytes . | 4 bytes .... | 1 byte ...... | 32 bytes .... |
+-----------+--------------+---------------+---------------+
= 1024 bytes

Examples of com.orientechnologies.orient.core.storage.fs.OFile

      return null;


    acquireSharedLock();
    try {
      final long[] pos = getRelativePosition(iPosition);
      final OFile file = files[(int) pos[0]];


      final int recordSize = file.readInt(pos[1]);
      if (recordSize <= 0)
        // RECORD DELETED
        return null;


      byte[] content = new byte[recordSize];
      file.read(pos[1] + RECORD_FIX_SIZE, content, recordSize);
      return content;


    } finally {
      releaseSharedLock();
    }

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

   */
  public int getRecordSize(final long iPosition) throws IOException {
    acquireSharedLock();
    try {
      final long[] pos = getRelativePosition(iPosition);
      final OFile file = files[(int) pos[0]];


      return file.readInt(pos[1]);


    } finally {
      releaseSharedLock();
    }
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

   */
  public long setRecord(final long iPosition, final ORecordId iRid, final byte[] iContent) throws IOException {
    acquireExclusiveLock();
    try {
      long[] pos = getRelativePosition(iPosition);
      final OFile file = files[(int) pos[0]];


      final int recordSize = file.readInt(pos[1]);
      // if (recordSize <= 0)
      // OLogManager.instance().error(this, "Error while writing to data file. The record size was invalid", OIOException.class);


      if (iContent.length == recordSize) {
        // USE THE OLD SPACE SINCE SIZE IT ISN'T CHANGED
        file.write(pos[1] + RECORD_FIX_SIZE, iContent);


        OProfiler.getInstance().updateCounter(PROFILER_UPDATE_REUSED_ALL, +1);
        return iPosition;
      } else if (recordSize - iContent.length > RECORD_FIX_SIZE + 50) {
        // USE THE OLD SPACE BUT UPDATE THE CURRENT SIZE. IT'S PREFEREABLE TO USE THE SAME INSTEAD FINDING A BEST SUITED FOR IT TO

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Examples of com.orientechnologies.orient.core.storage.fs.OFile


  public int deleteRecord(final long iPosition) throws IOException {
    acquireExclusiveLock();
    try {
      final long[] pos = getRelativePosition(iPosition);
      final OFile file = files[(int) pos[0]];


      final int recordSize = file.readInt(pos[1]);
      createHole(iPosition, recordSize);
      return recordSize;


    } finally {
      releaseExclusiveLock();

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

      int holeSize = iRecordSize + RECORD_FIX_SIZE;


      final long timer = OProfiler.getInstance().startChrono();


      long[] pos = getRelativePosition(iRecordOffset);
      final OFile file = files[(int) pos[0]];


      final ODataHoleInfo closestHole = getCloserHole(iRecordOffset, iRecordSize, file, pos);


      OProfiler.getInstance().stopChrono(PROFILER_HOLE_FIND_CLOSER, timer);


      if (closestHole == null)
        // CREATE A NEW ONE
        holeSegment.createHole(iRecordOffset, holeSize);
      else if (closestHole.dataOffset + closestHole.size == iRecordOffset) {
        // IT'S CONSECUTIVE TO ANOTHER HOLE AT THE LEFT: UPDATE LAST ONE
        holeSize += closestHole.size;
        holeSegment.updateHole(closestHole, closestHole.dataOffset, holeSize);


      } else if (holePositionOffset + holeSize == closestHole.dataOffset) {
        // IT'S CONSECUTIVE TO ANOTHER HOLE AT THE RIGHT: UPDATE LAST ONE
        holeSize += closestHole.size;
        holeSegment.updateHole(closestHole, holePositionOffset, holeSize);


      } else {
        // QUITE CLOSE, AUTO-DEFRAG!
        long closestHoleOffset;
        if (iRecordOffset > closestHole.dataOffset)
          closestHoleOffset = (closestHole.dataOffset + closestHole.size) - iRecordOffset;
        else
          closestHoleOffset = closestHole.dataOffset - (iRecordOffset + iRecordSize);


        if (closestHoleOffset < 0) {
          // MOVE THE DATA ON THE RIGHT AND USE ONE HOLE FOR BOTH
          closestHoleOffset *= -1;


          // SEARCH LAST SEGMENT
          long moveFrom = closestHole.dataOffset + closestHole.size;
          int recordSize;


          final long offsetLimit = iRecordOffset;


          final List<long[]> segmentPositions = new ArrayList<long[]>();


          while (moveFrom < offsetLimit) {
            pos = getRelativePosition(moveFrom);


            if (pos[1] >= file.getFilledUpTo())
              // END OF FILE
              break;


            recordSize = file.readInt(pos[1]) + RECORD_FIX_SIZE;


            // SAVE DATA IN ARRAY
            segmentPositions.add(0, new long[] { moveFrom, recordSize });


            moveFrom += recordSize;

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

  }


  private int moveRecord(long iSourcePosition, long iDestinationPosition) throws IOException {
    // GET RECORD TO MOVE
    final long[] pos = getRelativePosition(iSourcePosition);
    final OFile file = files[(int) pos[0]];


    final int recordSize = file.readInt(pos[1]);


    if (recordSize < 0)
      // FOUND HOLE
      return -1;


    final long timer = OProfiler.getInstance().startChrono();


    final short clusterId = file.readShort(pos[1] + OConstants.SIZE_INT);
    final long clusterPosition = file.readLong(pos[1] + OConstants.SIZE_INT + OConstants.SIZE_SHORT);


    final byte[] content = new byte[recordSize];
    file.read(pos[1] + RECORD_FIX_SIZE, content, recordSize);


    if (clusterId > -1) {
      // CHANGE THE POINTMENT OF CLUSTER TO THE NEW POSITION
      final OCluster cluster = storage.getClusterById(clusterId);
      final OPhysicalPosition ppos = cluster.getPhysicalPosition(clusterPosition, new OPhysicalPosition());

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

    return recordSize + RECORD_FIX_SIZE;
  }


  protected void writeRecord(final long[] iFilePosition, final int iClusterSegment, final long iClusterPosition,
      final byte[] iContent) throws IOException {
    final OFile file = files[(int) iFilePosition[0]];


    file.writeInt(iFilePosition[1], iContent.length);
    file.writeShort(iFilePosition[1] + OConstants.SIZE_INT, (short) iClusterSegment);
    file.writeLong(iFilePosition[1] + OConstants.SIZE_INT + OConstants.SIZE_SHORT, iClusterPosition);


    file.write(iFilePosition[1] + RECORD_FIX_SIZE, iContent);
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

    acquireSharedLock();
    try {


      final long[] pos = getRelativePosition(iPosition);


      final OFile file = files[(int) pos[0]];
      long p = pos[1];


      iPPosition.dataSegment = file.readShort(p);
      iPPosition.dataPosition = file.readLong(p += OConstants.SIZE_SHORT);
      iPPosition.type = file.readByte(p += OConstants.SIZE_LONG);
      iPPosition.version = file.readInt(p += OConstants.SIZE_BYTE);
      return iPPosition;


    } finally {
      releaseSharedLock();
    }

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

    acquireExclusiveLock();
    try {


      final long[] pos = getRelativePosition(iPosition);


      final OFile file = files[(int) pos[0]];
      long p = pos[1];


      file.writeShort(p, (short) iDataId);
      file.writeLong(p += OConstants.SIZE_SHORT, iDataPosition);
      file.writeByte(p += OConstants.SIZE_LONG, iRecordType);


    } finally {
      releaseExclusiveLock();
    }
  }

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Examples of com.orientechnologies.orient.core.storage.fs.OFile

    acquireExclusiveLock();
    try {


      final long[] pos = getRelativePosition(iPosition);


      final OFile file = files[(int) pos[0]];
      long p = pos[1];


      file.writeLong(p += OConstants.SIZE_SHORT, iDataPosition);


    } finally {
      releaseExclusiveLock();
    }
  }

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