Examples of org.apache.derby.iapi.store.raw.LockingPolicy.zeroDurationLockRecordForWrite()

Class org.apache.derby.iapi.store.raw.LockingPolicy

Examples of org.apache.derby.iapi.store.raw.LockingPolicy.zeroDurationLockRecordForWrite()

org.apache.derby.iapi.store.raw.LockingPolicy.zeroDurationLockRecordForWrite()
Request a write lock which will be released immediately upon grant. @param t Transaction to associate lock with. @param record Record to lock. @param lockForPreviousKey Lock is for a previous key of a insert. @param waitForLock Should lock request wait until granted? @return true if the lock was obtained, false if it wasn't. False should only be returned if the waitForLock argument was set to "false," and the lock was unavailable. @exception StandardException Standard Cloudscape error policy @see Page

    
    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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    PageKey pkey = new PageKey(identity, deallocLock.getPageNumber());
    if (lp != null)
        {
      if (zeroDuration)
        return lp.zeroDurationLockRecordForWrite(
                        tran, deallocLock, false, wait); 
      else
        return lp.lockRecordForWrite(tran, deallocLock, false, wait);
        }
    else

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