public static LinkedHashSet<String> findJars(LogicalPlan dag, Class<?>[] defaultClasses) {
List<Class<?>> jarClasses = new ArrayList<Class<?>>();
for (String className : dag.getClassNames()) {
try {
Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
jarClasses.add(clazz);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException("Failed to load class " + className, e);
}
}
for (Class<?> clazz : Lists.newArrayList(jarClasses)) {
// process class and super classes (super does not require deploy annotation)
for (Class<?> c = clazz; c != Object.class && c != null; c = c.getSuperclass()) {
// LOG.debug("checking " + c);
jarClasses.add(c);
jarClasses.addAll(Arrays.asList(c.getInterfaces()));
}
}
jarClasses.addAll(Arrays.asList(defaultClasses));
if (dag.isDebug()) {
LOG.debug("Deploy dependencies: {}", jarClasses);
}
LinkedHashSet<String> localJarFiles = new LinkedHashSet<String>(); // avoid duplicates
HashMap<String, String> sourceToJar = new HashMap<String, String>();
for (Class<?> jarClass : jarClasses) {
if (jarClass.getProtectionDomain().getCodeSource() == null) {
// system class
continue;
}
String sourceLocation =
jarClass.getProtectionDomain().getCodeSource().getLocation().toString();
String jar = sourceToJar.get(sourceLocation);
if (jar == null) {
// don't create jar file from folders multiple times
jar = JarFinder.getJar(jarClass);
sourceToJar.put(sourceLocation, jar);
LOG.debug("added sourceLocation {} as {}", sourceLocation, jar);
}
if (jar == null) {
throw new AssertionError("Cannot resolve jar file for " + jarClass);
}
localJarFiles.add(jar);
}
String libJarsPath = dag.getValue(LogicalPlan.LIBRARY_JARS);
if (!StringUtils.isEmpty(libJarsPath)) {
String[] libJars = StringUtils.splitByWholeSeparator(libJarsPath, LIB_JARS_SEP);
localJarFiles.addAll(Arrays.asList(libJars));
}
LOG.info("Local jar file dependencies: " + localJarFiles);
return localJarFiles;
}
public void runMainLoop() throws Exception {
rmClient.registerApplicationMaster("", 0, "");
initRegistry();
startMasterNode();
Priority priority = Records.newRecord(Priority.class);
priority.setPriority(0);
Resource capability = Records.newRecord(Resource.class);
capability.setMemory(ClusterConf.get().getWorkerHeapSize());
capability.setVirtualCores(ClusterConf.get().getNumWorkerThreads());
List<ContainerRequest> containerReq = new ArrayList<ContainerRequest>();
for (int i = 0; i < ClusterConf.get().getNumWorkers(); ++i) {
ContainerRequest containerAsk = new ContainerRequest(capability, null, null, priority);
rmClient.addContainerRequest(containerAsk);
containerReq.add(containerAsk);
}
while (alive) {
Thread.sleep(1000);
}
finish();
/*
for (ContainerRequest req : containerReq) {
rmClient.removeContainerRequest(req);
}
int containersToAdd = 2;
numContainersToWaitFor = containersToAdd;
System.out.println("[Am] finished all containers. Asking for more containers, total=" + numContainersToWaitFor);
for (int i = 0; i < containersToAdd; ++i) {
ContainerRequest containerAsk = new ContainerRequest(capability, null, null, priority);
System.out.println("[AM] Making res-req " + i);
rmClient.addContainerRequest(containerAsk);
}
System.out.println("[AM] waiting for containers to finish once more!!!");
while (!doneWithContainers()) {
Thread.sleep(100);
}
*/
}