Examples of java.nio.channels.FileLock.release()

java.nio.channels.FileLock.release()
Releases this particular lock on the file. If the lock is invalid then this method has no effect. Once released the lock becomes invalid. @throws ClosedChannelException if the channel is already closed when an attempt to release the lock is made. @throws IOException some other IO exception occurred.

    }
    if (sharedLockData == null && nonsharedLockData == null) {
      throw new IOException("Given target not held as lock");
    }
    
    lockObj.release();
    
    if (sharedLockData != null) {
      sharedLockData.close();
    } else {
      nonsharedLockData.close();

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            PrintWriter writer = new PrintWriter(out, false);
            writer.println(DATE_FORMAT.format(date)+" - "+action+" - "+username);
            writer.flush();
            writer.close();
            if(lock.isValid()) {
                lock.release();
            }
        } catch (IOException e) {
            throw new RuntimeException("Unable to write to authentication log file", e);
        }
    }

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      throw new IOException(msg);
    }
    FileLock secondLock = tryLock(dir);
    if(secondLock != null) {
      LOGGER.warn("Directory "+dir+" does not support locking");
      secondLock.release();
      secondLock.channel().close();
    }
    locks.put(dir.getAbsolutePath(), lock);
  }

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  private void unlock(File dir) throws IOException {
    FileLock lock = locks.remove(dir.getAbsolutePath());
    if(lock == null) {
      return;
    }
    lock.release();
    lock.channel().close();
    lock = null;
  }
  static class BackgroundWorker extends Thread {
    private static final Logger LOG = LoggerFactory

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            FileLock lock = channel.lock();
            if (LOG.isTraceEnabled()) {
                LOG.trace("Acquired exclusive read lock: " + lock + " to file: " + file);
            }
            // just release it now we dont want to hold it during the rest of the processing
            lock.release();
        } finally {
            // must close channel
            ObjectHelper.close(channel, "FileConsumer during acquiring of exclusive read lock", LOG);
        }
    }

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    }
    if (sharedLockData == null && nonsharedLockData == null) {
      throw new IOException("Given target not held as lock");
    }
    
    lockObj.release();
    
    if (sharedLockData != null) {
      sharedLockData.close();
    } else {
      nonsharedLockData.close();

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          // produce a more specific message for clients
          String specificMessage = NLS.bind(EclipseAdaptorMsg.location_cannotLockNIO, new Object[] {lockFile, ioe.getMessage(), "\"-D" + BasicLocation.PROP_OSGI_LOCKING + "=none\""}); //$NON-NLS-1$ //$NON-NLS-2$
          throw new IOException(specificMessage);
        }
        if (tempLock != null) {
          tempLock.release(); // allow IOException to propagate because that would mean it is still locked
          return false;
        }
        return true;
      } catch (OverlappingFileLockException e) {
        return true;

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      oldFile.seek(0);
      int oldVersion = oldFile.readInt();
      if (oldVersion < LAST_PRE_UPGRADE_LAYOUT_VERSION)
        return false;
    } finally {
      oldLock.release();
      oldFile.close();
    }
    return true;
  }

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      {
         return true;
      }
      else
      {
         liveAttemptLock.release();
         return false;
      }
   }
   @Override
   public void releaseBackup() throws Exception

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            Channel channel = lock.channel();
            if (LOG.isDebugEnabled()) {
                LOG.debug("Unlocking file: " + file);
            }
            try {
                lock.release();
            } finally {
                // must close channel
                ObjectHelper.close(channel, "Closing channel", LOG);


                if (LOG.isTraceEnabled()) {

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