sanha commented on a change in pull request #15: [NEMO-52] Make SchedulingPolicy Stackable URL: https://github.com/apache/incubator-nemo/pull/15#discussion_r187832341
########## File path: runtime/master/src/main/java/edu/snu/nemo/runtime/master/scheduler/SchedulingPolicy.java ########## @@ -29,61 +28,9 @@ */ @DriverSide @ThreadSafe -@DefaultImplementation(SourceLocationAwareSchedulingPolicy.class) +@FunctionalInterface +@DefaultImplementation(CompositeSchedulingPolicy.class) public interface SchedulingPolicy { - - /** - * Attempts to schedule the given taskGroup to an executor according to this policy. - * If there is no executor available for the taskGroup, it waits for an executor to be assigned before it times out. - * (Depending on the executor's resource type) - * - * @param scheduledTaskGroup to schedule. - * @param jobStateManager jobStateManager which the TaskGroup belongs to. - * @return true if the task group is successfully scheduled, false otherwise. - */ - boolean scheduleTaskGroup(final ScheduledTaskGroup scheduledTaskGroup, final JobStateManager jobStateManager); - - /** - * Adds the executorId to the pool of available executors. - * Unlocks this policy to schedule a next taskGroup if locked. - * (Depending on the executor's resource type) - * - * @param executorRepresenter for the executor that has been added. - */ - void onExecutorAdded(ExecutorRepresenter executorRepresenter); - - /** - * Deletes the executorId from the pool of available executors. - * Locks this policy from scheduling if there is no more executor currently available for the next taskGroup. - * (Depending on the executor's resource type) - * - * @param executorId for the executor that has been deleted. - * @return the ids of the set of task groups that were running on the executor. - */ - Set<String> onExecutorRemoved(String executorId); - - /** - * Marks the taskGroup's completion in the executor. - * Unlocks this policy to schedule a next taskGroup if locked. - * (Depending on the executor's resource type) - * - * @param executorId of the executor where the taskGroup's execution has completed. - * @param taskGroupId whose execution has completed. - */ - void onTaskGroupExecutionComplete(String executorId, String taskGroupId); - - /** - * Marks the taskGroup's failure in the executor. - * Unlocks this policy to reschedule this taskGroup if locked. - * (Depending on the executor's resource type) - * - * @param executorId of the executor where the taskGroup's execution has failed. - * @param taskGroupId whose execution has completed. - */ - void onTaskGroupExecutionFailed(String executorId, String taskGroupId); - - /** - * End of scheduling. - */ - void terminate(); + Set<ExecutorRepresenter> filterExecutorRepresenters(final Set<ExecutorRepresenter> executorRepresenterList, Review comment: Please add a comment for this method (and all others if omitted). ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services