gatk-3.8/scala/src/org/broadinstitute/sting/queue/engine/TopologicalJobScheduler.scala

48 lines
1.7 KiB
Scala
Executable File

package org.broadinstitute.sting.queue.engine
import org.jgrapht.traverse.TopologicalOrderIterator
import org.jgrapht.event.{EdgeTraversalEvent, TraversalListenerAdapter}
import collection.JavaConversions._
import org.broadinstitute.sting.queue.util.Logging
import org.broadinstitute.sting.queue.function._
/**
* Loops over the job graph running jobs as the edges are traversed
*/
abstract class TopologicalJobScheduler(private val qGraph: QGraph)
extends CommandLineRunner with DispatchJobRunner with Logging {
protected val iterator = new TopologicalOrderIterator(qGraph.jobGraph)
iterator.addTraversalListener(new TraversalListenerAdapter[QNode, QFunction] {
override def edgeTraversed(event: EdgeTraversalEvent[QNode, QFunction]) = event.getEdge match {
case f: DispatchFunction if (qGraph.bsubAllJobs) => dispatch(f, qGraph)
case f: CommandLineFunction => run(f, qGraph)
case f: MappingFunction => /* do nothing for mapping functions */
}
})
def runJobs = {
logger.info("Number of jobs: %s".format(qGraph.numJobs))
if (logger.isTraceEnabled)
logger.trace("Number of nodes: %s".format(qGraph.jobGraph.vertexSet.size))
var numNodes = 0
for (target <- iterator) {
if (logger.isTraceEnabled)
logger.trace("Visiting: " + target)
numNodes += 1
// Do nothing for now, let event handler respond
}
if (logger.isTraceEnabled)
logger.trace("Done walking %s nodes.".format(numNodes))
if (qGraph.bsubAllJobs && qGraph.bsubWaitJobs) {
logger.info("Waiting for jobs to complete.")
val wait = new DispatchWaitFunction
wait.properties = qGraph.properties
wait.freeze
dispatch(wait, qGraph)
}
}
}