source: DCWoRMS/trunk/src/example/localplugin/FCFS_BFLocalPlugin.java @ 509

package example.localplugin;

import gridsim.dcworms.DCWormsTags;
import schedframe.events.scheduling.SchedulingEvent;
import schedframe.scheduling.manager.resources.ResourceManager;
import schedframe.scheduling.manager.tasks.JobRegistry;
import schedframe.scheduling.plan.impl.SchedulingPlan;
import schedframe.scheduling.plugin.grid.ModuleList;
import schedframe.scheduling.queue.TaskQueue;
import schedframe.scheduling.queue.TaskQueueList;
import schedframe.scheduling.tasks.TaskInterface;
import schedframe.scheduling.tasks.WorkloadUnit;

public class FCFS_BFLocalPlugin extends BaseLocalSchedulingPlugin {

        public SchedulingPlan schedule(SchedulingEvent event, TaskQueueList queues, JobRegistry jobRegistry,
                         ResourceManager resManager, ModuleList modules) {

                SchedulingPlan plan = new SchedulingPlan();
                // Chose the events types to serve. Different actions for different events are possible.
                switch (event.getType()) {
                case START_TASK_EXECUTION:
                case TASK_FINISHED:
                        
                        // our tasks are placed only in first queue (see BaseLocalPlugin.placeJobsInQueues() method)
                        TaskQueue q = queues.get(0);
                        
                        // check all tasks in queue
                        for (int i = 0; i < q.size(); i++) {
                                WorkloadUnit job = q.get(i);
                                TaskInterface<?> task = (TaskInterface<?>) job;
                                
                                // if status of the tasks in READY
                                if (task.getStatus() == DCWormsTags.READY) {
                                        addToSchedulingPlan(plan, task);
                                }
                        }
                        break;
                }
                return plan;
        }

}