How to use

getPartitioning

method

in

co.cask.cdap.api.dataset.lib.PartitionedFileSet

DynamicPartitionerWriterWrapper(TaskAttemptContext job) {
 this.job = job;
 Configuration configuration = job.getConfiguration();
 Class<? extends DynamicPartitioner> partitionerClass = configuration
  .getClass(PartitionedFileSetArguments.DYNAMIC_PARTITIONER_CLASS_NAME, null, DynamicPartitioner.class);
 this.dynamicPartitioner = new InstantiatorFactory(false).get(TypeToken.of(partitionerClass)).create();
 this.partitionWriteOption =
  DynamicPartitioner.PartitionWriteOption.valueOf(
   configuration.get(PartitionedFileSetArguments.DYNAMIC_PARTITIONER_WRITE_OPTION));
 MapReduceClassLoader classLoader = MapReduceClassLoader.getFromConfiguration(configuration);
 this.taskContext = classLoader.getTaskContextProvider().get(job);
 // name the output file 'part-<RunId>-m-00000' instead of 'part-m-00000'
 String outputName = DynamicPartitioningOutputFormat.getOutputName(job);
 if (partitionWriteOption == DynamicPartitioner.PartitionWriteOption.CREATE_OR_APPEND) {
  outputName = outputName + "-" + taskContext.getProgramRunId().getRun();
 }
 this.outputName = outputName;
 String outputDatasetName = configuration.get(Constants.Dataset.Partitioned.HCONF_ATTR_OUTPUT_DATASET);
 this.outputDataset = taskContext.getDataset(outputDatasetName);
 this.partitioning = outputDataset.getPartitioning();
 this.dynamicPartitioner.initialize(taskContext);
 this.fileOutputFormatName = job.getConfiguration()
  .getClass(Constants.Dataset.Partitioned.HCONF_ATTR_OUTPUT_FORMAT_CLASS_NAME, null, FileOutputFormat.class)
  .getName();
}

DynamicPartitionerWriterWrapper(TaskAttemptContext job) {
 this.job = job;
 Configuration configuration = job.getConfiguration();
 Class<? extends DynamicPartitioner> partitionerClass = configuration
  .getClass(PartitionedFileSetArguments.DYNAMIC_PARTITIONER_CLASS_NAME, null, DynamicPartitioner.class);
 this.dynamicPartitioner = new InstantiatorFactory(false).get(TypeToken.of(partitionerClass)).create();
 this.partitionWriteOption =
  DynamicPartitioner.PartitionWriteOption.valueOf(
   configuration.get(PartitionedFileSetArguments.DYNAMIC_PARTITIONER_WRITE_OPTION));
 MapReduceClassLoader classLoader = MapReduceClassLoader.getFromConfiguration(configuration);
 this.taskContext = classLoader.getTaskContextProvider().get(job);
 // name the output file 'part-<RunId>-m-00000' instead of 'part-m-00000'
 String outputName = DynamicPartitioningOutputFormat.getOutputName(job);
 if (partitionWriteOption == DynamicPartitioner.PartitionWriteOption.CREATE_OR_APPEND) {
  outputName = outputName + "-" + taskContext.getProgramRunId().getRun();
 }
 this.outputName = outputName;
 String outputDatasetName = configuration.get(Constants.Dataset.Partitioned.HCONF_ATTR_OUTPUT_DATASET);
 this.outputDataset = taskContext.getDataset(outputDatasetName);
 this.partitioning = outputDataset.getPartitioning();
 this.dynamicPartitioner.initialize(taskContext);
 this.fileOutputFormatName = job.getConfiguration()
  .getClass(Constants.Dataset.Partitioned.HCONF_ATTR_OUTPUT_FORMAT_CLASS_NAME, null, FileOutputFormat.class)
  .getName();
}

 return;
Partitioning partitioning = ((PartitionedFileSet) dataset).getPartitioning();

 return;
Partitioning partitioning = ((PartitionedFileSet) dataset).getPartitioning();

Partitioning partitioning = null;
if (dataset instanceof PartitionedFileSet) {
 partitioning = ((PartitionedFileSet) dataset).getPartitioning();
 baseLocation = ((PartitionedFileSet) dataset).getEmbeddedFileSet().getBaseLocation();
} else {

Partitioning partitioning = null;
if (dataset instanceof PartitionedFileSet) {
 partitioning = ((PartitionedFileSet) dataset).getPartitioning();
 baseLocation = ((PartitionedFileSet) dataset).getEmbeddedFileSet().getBaseLocation();
} else {