gatk-3.8/scala/src/org/broadinstitute/sting/queue/QCommandLine.scala

133 lines
3.9 KiB
Scala
Executable File

package org.broadinstitute.sting.queue
import function.QFunction
import java.io.File
import java.util.Arrays
import org.broadinstitute.sting.commandline._
import org.broadinstitute.sting.queue.util._
import org.broadinstitute.sting.queue.engine.{QGraphSettings, QGraph}
import collection.JavaConversions._
import org.broadinstitute.sting.utils.classloader.PluginManager
import org.broadinstitute.sting.utils.exceptions.UserException
/**
* Entry point of Queue. Compiles and runs QScripts passed in to the command line.
*/
class QCommandLine extends CommandLineProgram with Logging {
@Input(fullName="script", shortName="S", doc="QScript scala file", required=true)
@ClassType(classOf[File])
private var scripts = List.empty[File]
@ArgumentCollection
private val settings = new QGraphSettings
private val qScriptManager = new QScriptManager
private val qGraph = new QGraph
private var qScriptClasses: File = _
private lazy val pluginManager = {
qScriptClasses = IOUtils.tempDir("Q-Classes", "", settings.qSettings.tempDirectory)
qScriptManager.loadScripts(scripts, qScriptClasses)
new PluginManager[QScript](classOf[QScript], List(qScriptClasses.toURI.toURL))
}
QFunction.parsingEngine = new ParsingEngine(this)
/**
* Takes the QScripts passed in, runs their script() methods, retrieves their generated
* functions, and then builds and runs a QGraph based on the dependencies.
*/
def execute = {
qGraph.settings = settings
qGraph.debugMode = debugMode == true
for (script <- pluginManager.createAllTypes()) {
logger.info("Scripting " + pluginManager.getName(script.getClass.asSubclass(classOf[QScript])))
loadArgumentsIntoObject(script)
try {
script.script
} catch {
case e: Exception =>
throw new UserException.CannotExecuteQScript(script.getClass.getSimpleName + ".script() threw the following exception: " + e, e)
}
script.functions.foreach(qGraph.add(_))
logger.info("Added " + script.functions.size + " functions")
}
qGraph.run()
if (!qGraph.success) {
logger.info("Done with errors")
qGraph.logFailed()
1
} else {
logger.info("Done")
0
}
}
/**
* Returns true as QScripts are located and compiled.
* @return true
*/
override def canAddArgumentsDynamically = true
/**
* Returns the list of QScripts passed in via -S so that their
* arguments can be inspected before QScript.script is called.
* @return Array of QScripts passed in.
*/
override def getArgumentSources =
pluginManager.getPlugins.toIterable.toArray.asInstanceOf[Array[Class[_]]]
/**
* Returns the name of a QScript
* @return The name of a QScript
*/
override def getArgumentSourceName(source: Class[_]) =
pluginManager.getName(source.asSubclass(classOf[QScript]))
/**
* Returns a ScalaCompoundArgumentTypeDescriptor that can parse argument sources into scala collections.
* @return a ScalaCompoundArgumentTypeDescriptor
*/
override def getArgumentTypeDescriptors =
Arrays.asList(new ScalaCompoundArgumentTypeDescriptor)
def shutdown() = {
qGraph.shutdown()
if (qScriptClasses != null) IOUtils.tryDelete(qScriptClasses)
}
}
/**
* Entry point of Queue. Compiles and runs QScripts passed in to the command line.
*/
object QCommandLine {
/**
* Main.
* @param argv Arguments.
*/
def main(argv: Array[String]) {
val qCommandLine = new QCommandLine
Runtime.getRuntime.addShutdownHook(new Thread {
/** Cleanup as the JVM shuts down. */
override def run = {
ProcessController.shutdown()
qCommandLine.shutdown()
}
})
try {
CommandLineProgram.start(qCommandLine, argv);
if (CommandLineProgram.result != 0)
System.exit(CommandLineProgram.result);
} catch {
case e: Exception => CommandLineProgram.exitSystemWithError(e)
} finally {
}
}
}