Examples of org.eclipse.osgi.service.datalocation.Location.lock()

Package org.eclipse.osgi.service.datalocation

Class org.eclipse.osgi.service.datalocation.Location

Examples of org.eclipse.osgi.service.datalocation.Location.lock()

org.eclipse.osgi.service.datalocation.Location.lock()
Attempts to lock this location with a canonical locking mechanism and return true if the lock could be acquired. Not all locations can be locked.
Locking a location is advisory only. That is, it does not prevent other applications from modifying the same location
@return true if the lock could be acquired; otherwise false is returned @exception IOException if there was an unexpected problem while acquiring the lock

      }


            // at this point its valid, so try to lock it and update the
            // metadata version information if successful
            try {
                if (instanceLoc.lock()) {
                    writeWorkspaceVersion();
                    return null;
                }
                
                // we failed to create the directory.

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      Location workspaceLoc = Platform.getInstanceLocation();
      if (!workspaceLoc.isSet()) {
        // Use default
        workspaceLoc.set(workspaceLoc.getDefault(), false);
      }
      return workspaceLoc.lock();
    } catch (IOException e) {
      MessageDialog.openError(Display.getDefault().getActiveShell(), 
          Messages.LogSawApplication_title_internalError, 
          NLS.bind(Messages.LogSawApplication_message_internalError, e.getLocalizedMessage()));
      return false;

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          loc.set(url, false);
        }
        if(loc.isLocked()) {
          return false;
        }
        loc.lock();
        return true;
      } catch (IllegalStateException e) {
        MessageDialog.openWarning(null, "Warning", "Exception trying to lock Vega instance: "+ e.getMessage());
      } catch (IOException e) {
        MessageDialog.openWarning(null, "Warning", "I/O Exception trying to lock Vega instance: "+ e.getMessage());

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