Examples with DEFRAGMENTATION_MNTC_TASK_NAME org.apache.ignite.internal.processors.cache.persistence.defragmentation.CachePartitionDefragmentationManager.DEFRAGMENTATION_MNTC_TASK_NAME used on opensource projects

Example 1 with DEFRAGMENTATION_MNTC_TASK_NAME

use of org.apache.ignite.internal.processors.cache.persistence.defragmentation.CachePartitionDefragmentationManager.DEFRAGMENTATION_MNTC_TASK_NAME in project ignite by apache.

the class IgniteDefragmentationImpl method cancel.

/**
 * {@inheritDoc}
 */
@Override
public CancelResult cancel() throws IgniteCheckedException {
    final MaintenanceRegistry maintenanceRegistry = ctx.maintenanceRegistry();
    if (!maintenanceRegistry.isMaintenanceMode()) {
        boolean deleted = maintenanceRegistry.unregisterMaintenanceTask(DEFRAGMENTATION_MNTC_TASK_NAME);
        return deleted ? CancelResult.CANCELLED_SCHEDULED : CancelResult.SCHEDULED_NOT_FOUND;
    } else {
        List<MaintenanceAction<?>> actions;
        try {
            actions = maintenanceRegistry.actionsForMaintenanceTask(DEFRAGMENTATION_MNTC_TASK_NAME);
        } catch (IgniteException e) {
            return CancelResult.COMPLETED_OR_CANCELLED;
        }
        Optional<MaintenanceAction<?>> stopAct = actions.stream().filter(a -> "stop".equals(a.name())).findAny();
        assert stopAct.isPresent();
        try {
            Object res = stopAct.get().execute();
            assert res instanceof Boolean;
            boolean cancelled = (Boolean) res;
            return cancelled ? CancelResult.CANCELLED : CancelResult.COMPLETED_OR_CANCELLED;
        } catch (Exception e) {
            throw new IgniteCheckedException("Exception occurred: " + e.getMessage(), e);
        }
    }
}