Examples with MaintenanceWorkflowCallback org.apache.ignite.maintenance.MaintenanceWorkflowCallback used on opensource projects

Example 1 with MaintenanceWorkflowCallback

use of org.apache.ignite.maintenance.MaintenanceWorkflowCallback in project ignite by apache.

the class MaintenanceProcessor method registerWorkflowCallback.

/**
 * {@inheritDoc}
 */
@Override
public void registerWorkflowCallback(@NotNull String maintenanceTaskName, @NotNull MaintenanceWorkflowCallback cb) {
    if (disabled)
        throw new IgniteException(DISABLED_ERR_MSG);
    List<MaintenanceAction<?>> actions = cb.allActions();
    if (actions == null || actions.isEmpty())
        throw new IgniteException("Maintenance workflow callback should provide at least one maintenance action");
    int size = actions.size();
    long distinctSize = actions.stream().map(MaintenanceAction::name).distinct().count();
    if (distinctSize < size)
        throw new IgniteException("All actions of a single workflow should have unique names: " + actions.stream().map(MaintenanceAction::name).collect(Collectors.joining(", ")));
    Optional<String> wrongActionName = actions.stream().map(MaintenanceAction::name).filter(name -> !U.alphanumericUnderscore(name)).findFirst();
    if (wrongActionName.isPresent())
        throw new IgniteException("All actions' names should contain only alphanumeric and underscore symbols: " + wrongActionName.get());
    workflowCallbacks.put(maintenanceTaskName, cb);
}