Package com.caucho.db.lock

Examples of com.caucho.db.lock.Lock.lockReadAndWrite()

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  {
    byte []buffer = block.getBuffer();
    long blockId = block.getBlockId();
   
    Lock blockLock = block.getLock();
    blockLock.lockReadAndWrite(_timeout);

    try {
      boolean isLeaf = isLeaf(buffer, block);

      if (isLeaf) {
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      try {
        byte []leftBuffer = leftBlock.getBuffer();
 
        Lock leftLock = leftBlock.getLock();
        leftLock.lockReadAndWrite(_timeout);
   
        try {
          int leftLength = getLength(leftBuffer);

          Lock blockLock = block.getLock();
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        try {
          int leftLength = getLength(leftBuffer);

          Lock blockLock = block.getLock();
          blockLock.lockReadAndWrite(_timeout);
     
          try {
            if (_minN < leftLength) {
              validateEqualLeaf(buffer, leftBuffer, block, leftBlock);
             
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      try {
        byte []rightBuffer = rightBlock.getBuffer();
 
        Lock blockLock = block.getLock();
        blockLock.lockReadAndWrite(_timeout);

        try {
          Lock rightLock = rightBlock.getLock();
          rightLock.lockReadAndWrite(_timeout);
       
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        Lock blockLock = block.getLock();
        blockLock.lockReadAndWrite(_timeout);

        try {
          Lock rightLock = rightBlock.getLock();
          rightLock.lockReadAndWrite(_timeout);
       
          try {
            int rightLength = getLength(rightBuffer);

            if (_minN < rightLength) {
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      try {
        byte []leftBuffer = leftBlock.getBuffer();
   
        Lock leftLock = leftBlock.getLock();
        leftLock.lockReadAndWrite(_timeout);

        try {
          int leftLength = getLength(leftBuffer);
     
          Lock blockLock = block.getLock();
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        try {
          int leftLength = getLength(leftBuffer);
     
          Lock blockLock = block.getLock();
          blockLock.lockReadAndWrite(_timeout);

          try {
            int length = getLength(buffer);
       
            if (length + leftLength <= _n) {
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      try {
        byte []rightBuffer = rightBlock.getBuffer();

        Lock blockLock = block.getLock();
        blockLock.lockReadAndWrite(_timeout);

        try {
          Lock rightLock = rightBlock.getLock();
          rightLock.lockReadAndWrite(_timeout);
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        Lock blockLock = block.getLock();
        blockLock.lockReadAndWrite(_timeout);

        try {
          Lock rightLock = rightBlock.getLock();
          rightLock.lockReadAndWrite(_timeout);

          try {
            int length = getLength(buffer);
            int rightLength = getLength(rightBuffer);
       
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  private int allocateRow(Block block, Transaction xa)
    throws IOException, SQLException
  {
    Lock blockLock = block.getLock();

    blockLock.lockReadAndWrite(xa.getTimeout());
    try {
      block.read();

      byte []buffer = block.getBuffer();
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