How to use

refuseStart

method

in

org.eclipse.che.api.workspace.server.WorkspaceRuntimes

/**
 * Blocks starting new workspaces and waits until all workspaces that are currently in a
 * starting/stopping state to finish this process
 *
 * @throws InterruptedException
 * @throws UnsupportedOperationException
 */
@Override
public void suspend() throws InterruptedException, UnsupportedOperationException {
 try {
  runtimeInfrastructure.getIdentities();
 } catch (UnsupportedOperationException | InfrastructureException e) {
  throw new UnsupportedOperationException("Current infrastructure does not support suspend.");
 }
 Preconditions.checkState(runtimes.refuseStart());
 WorkspaceSuspendedEventsPropagator propagator = new WorkspaceSuspendedEventsPropagator();
 eventService.subscribe(propagator);
 try {
  waitAllWorkspacesRunningOrStopped();
  sharedPool.shutdown();
 } finally {
  eventService.unsubscribe(propagator);
 }
 try {
  workspaceRemover.shutdown();
 } catch (Exception ignored) {
 }
}

/**
 * Blocks starting new workspaces and stops all that already running
 *
 * @throws InterruptedException
 */
@Override
public void terminate() throws InterruptedException {
 Preconditions.checkState(runtimes.refuseStart());
 WorkspaceStoppedEventsPropagator propagator = new WorkspaceStoppedEventsPropagator();
 eventService.subscribe(propagator);
 try {
  stopRunningAndStartingWorkspacesAsync();
  waitAllWorkspacesStopped();
  sharedPool.shutdown();
 } finally {
  eventService.unsubscribe(propagator);
 }
 try {
  workspaceRemover.shutdown();
 } catch (Exception ignored) {
 }
}