public void registerFileInputTask(
AbstractInputTask<?> inTask,
Class<? extends DelimitedInputFormat> stubClass,
String inPath,
String delimiter) {
DelimitedInputFormat format;
try {
format = stubClass.newInstance();
} catch (Throwable t) {
throw new RuntimeException("Could not instantiate test input format.", t);
}
format.setFilePath(inPath);
format.setDelimiter(delimiter);
TaskConfig dsConfig = new TaskConfig(this.mockEnv.getTaskConfiguration());
dsConfig.setStubWrapper(new UserCodeObjectWrapper<DelimitedInputFormat>(format));
this.inputSplitProvider.addInputSplits(inPath, 5);
inTask.setEnvironment(this.mockEnv);
if (inTask instanceof DataSourceTask<?>) {
((DataSourceTask<?>) inTask).setUserCodeClassLoader(getClass().getClassLoader());
}
inTask.registerInputOutput();
}
private static JobTaskVertex createMapper(
JobGraph jobGraph, int numSubTasks, TypeSerializerFactory<?> serializer) {
JobTaskVertex pointsInput =
JobGraphUtils.createTask(
RegularPactTask.class, "Map[DotProducts]", jobGraph, numSubTasks, numSubTasks);
{
TaskConfig taskConfig = new TaskConfig(pointsInput.getConfiguration());
taskConfig.setStubWrapper(new UserCodeClassWrapper<DotProducts>(DotProducts.class));
taskConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
taskConfig.setOutputSerializer(serializer);
taskConfig.setDriver(CollectorMapDriver.class);
taskConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
taskConfig.addInputToGroup(0);
taskConfig.setInputLocalStrategy(0, LocalStrategy.NONE);
taskConfig.setInputSerializer(serializer, 0);
taskConfig.setBroadcastInputName("models", 0);
taskConfig.addBroadcastInputToGroup(0);
taskConfig.setBroadcastInputSerializer(serializer, 0);
}
return pointsInput;
}
private static JobInputVertex createPointsInput(
JobGraph jobGraph, String pointsPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
@SuppressWarnings("unchecked")
CsvInputFormat pointsInFormat =
new CsvInputFormat(
'|', IntValue.class, DoubleValue.class, DoubleValue.class, DoubleValue.class);
JobInputVertex pointsInput =
JobGraphUtils.createInput(
pointsInFormat, pointsPath, "[Points]", jobGraph, numSubTasks, numSubTasks);
{
TaskConfig taskConfig = new TaskConfig(pointsInput.getConfiguration());
taskConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
taskConfig.setOutputSerializer(serializer);
TaskConfig chainedMapper = new TaskConfig(new Configuration());
chainedMapper.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
chainedMapper.setStubWrapper(new UserCodeObjectWrapper<PointBuilder>(new PointBuilder()));
chainedMapper.addOutputShipStrategy(ShipStrategyType.FORWARD);
chainedMapper.setOutputSerializer(serializer);
taskConfig.addChainedTask(ChainedCollectorMapDriver.class, chainedMapper, "Build points");
}
return pointsInput;
}
public void registerFileOutputTask(
AbstractOutputTask outTask, Class<? extends FileOutputFormat> stubClass, String outPath) {
TaskConfig dsConfig = new TaskConfig(this.mockEnv.getTaskConfiguration());
dsConfig.setStubWrapper(new UserCodeClassWrapper<FileOutputFormat>(stubClass));
dsConfig.setStubParameter(FileOutputFormat.FILE_PARAMETER_KEY, outPath);
outTask.setEnvironment(this.mockEnv);
if (outTask instanceof DataSinkTask<?>) {
((DataSinkTask<?>) outTask).setUserCodeClassLoader(getClass().getClassLoader());
}
outTask.registerInputOutput();
}
public void registerTask(
AbstractTask task,
@SuppressWarnings("rawtypes") Class<? extends PactDriver> driver,
Class<? extends Stub> stubClass) {
final TaskConfig config = new TaskConfig(this.mockEnv.getTaskConfiguration());
config.setDriver(driver);
config.setStubWrapper(new UserCodeClassWrapper<Stub>(stubClass));
task.setEnvironment(this.mockEnv);
if (task instanceof RegularPactTask<?, ?>) {
((RegularPactTask<?, ?>) task).setUserCodeClassLoader(getClass().getClassLoader());
}
task.registerInputOutput();
}
private static JobTaskVertex createReducer(
JobGraph jobGraph,
int numSubTasks,
TypeSerializerFactory<?> inputSerializer,
TypeComparatorFactory<?> inputComparator,
TypeSerializerFactory<?> outputSerializer) {
// ---------------- the tail (co group) --------------------
JobTaskVertex tail =
JobGraphUtils.createTask(
IterationTailPactTask.class,
"Reduce / Iteration Tail",
jobGraph,
numSubTasks,
numSubTasks);
TaskConfig tailConfig = new TaskConfig(tail.getConfiguration());
tailConfig.setIterationId(ITERATION_ID);
tailConfig.setIsWorksetUpdate();
// inputs and driver
tailConfig.setDriver(ReduceDriver.class);
tailConfig.setDriverStrategy(DriverStrategy.SORTED_GROUP);
tailConfig.addInputToGroup(0);
tailConfig.setInputSerializer(inputSerializer, 0);
tailConfig.setDriverComparator(inputComparator, 0);
tailConfig.setInputLocalStrategy(0, LocalStrategy.SORT);
tailConfig.setInputComparator(inputComparator, 0);
tailConfig.setMemoryInput(0, MEMORY_PER_CONSUMER * JobGraphUtils.MEGABYTE);
tailConfig.setFilehandlesInput(0, 128);
tailConfig.setSpillingThresholdInput(0, 0.9f);
// output
tailConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
tailConfig.setOutputSerializer(outputSerializer);
// the udf
tailConfig.setStubWrapper(
new UserCodeObjectWrapper<RecomputeClusterCenter>(new RecomputeClusterCenter()));
return tail;
}
private static JobOutputVertex createOutput(
JobGraph jobGraph, String resultPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
JobOutputVertex output =
JobGraphUtils.createFileOutput(jobGraph, "Output", numSubTasks, numSubTasks);
{
TaskConfig taskConfig = new TaskConfig(output.getConfiguration());
taskConfig.addInputToGroup(0);
taskConfig.setInputSerializer(serializer, 0);
PointOutFormat outFormat = new PointOutFormat();
outFormat.setOutputFilePath(new Path(resultPath));
taskConfig.setStubWrapper(new UserCodeObjectWrapper<PointOutFormat>(outFormat));
}
return output;
}
private static JobOutputVertex createOutput(
JobGraph jobGraph, String resultPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
JobOutputVertex output =
JobGraphUtils.createFileOutput(jobGraph, "Output", numSubTasks, numSubTasks);
{
TaskConfig taskConfig = new TaskConfig(output.getConfiguration());
taskConfig.addInputToGroup(0);
taskConfig.setInputSerializer(serializer, 0);
@SuppressWarnings("unchecked")
CsvOutputFormat outFormat =
new CsvOutputFormat("\n", " ", LongValue.class, LongValue.class, LongValue.class);
outFormat.setOutputFilePath(new Path(resultPath));
taskConfig.setStubWrapper(new UserCodeObjectWrapper<CsvOutputFormat>(outFormat));
}
return output;
}
private static JobTaskVertex createMapper(
JobGraph jobGraph,
int numSubTasks,
TypeSerializerFactory<?> inputSerializer,
TypeSerializerFactory<?> broadcastVarSerializer,
TypeSerializerFactory<?> outputSerializer,
TypeComparatorFactory<?> outputComparator) {
JobTaskVertex mapper =
JobGraphUtils.createTask(
IterationIntermediatePactTask.class,
"Map (Select nearest center)",
jobGraph,
numSubTasks,
numSubTasks);
TaskConfig intermediateConfig = new TaskConfig(mapper.getConfiguration());
intermediateConfig.setIterationId(ITERATION_ID);
intermediateConfig.setDriver(CollectorMapDriver.class);
intermediateConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
intermediateConfig.addInputToGroup(0);
intermediateConfig.setInputSerializer(inputSerializer, 0);
intermediateConfig.setOutputSerializer(outputSerializer);
intermediateConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
intermediateConfig.setOutputComparator(outputComparator, 0);
intermediateConfig.setBroadcastInputName("centers", 0);
intermediateConfig.addBroadcastInputToGroup(0);
intermediateConfig.setBroadcastInputSerializer(broadcastVarSerializer, 0);
// the udf
intermediateConfig.setStubWrapper(
new UserCodeObjectWrapper<SelectNearestCenter>(new SelectNearestCenter()));
return mapper;
}