private void initialize()

in hive/src/main/java/com/twitter/elephantbird/mapred/input/HiveMultiInputFormat.java [41:83]
34 lines of code
8 McCabe index (conditional complexity)

  private void initialize(FileSplit split, JobConf job) throws IOException {
    LOG.info("Initializing HiveMultiInputFormat for " + split + " with job " + job);

    String thriftClassName = null;
    Properties properties = null;

    if (!"".equals(HiveConf.getVar(job, HiveConf.ConfVars.PLAN))) {
      // Running as a Hive query. Use MapredWork for metadata.
      Map<String, PartitionDesc> partitionDescMap =
          Utilities.getMapRedWork(job).getPathToPartitionInfo();

      if (!partitionDescMap.containsKey(split.getPath().getParent().toUri().toString())) {
        throw new RuntimeException("Failed locating partition description for "
            + split.getPath().toUri().toString());
      }
      properties = partitionDescMap.get(split.getPath().getParent().toUri().toString())
          .getTableDesc().getProperties();
    } else if (job.get(HCatConstants.HCAT_KEY_JOB_INFO, null) != null) {
      // Running as an HCatalog query. Use InputJobInfo for metadata.
      InputJobInfo inputJobInfo = (InputJobInfo) HCatUtil.deserialize(
          job.get(HCatConstants.HCAT_KEY_JOB_INFO));
      properties = inputJobInfo.getTableInfo().getStorerInfo().getProperties();
    } else if (job.get(Constants.SERIALIZATION_CLASS, null) != null) {
      // Running as an Presto query.
      thriftClassName = job.get(Constants.SERIALIZATION_CLASS);
    }

    if (properties != null) {
      thriftClassName = properties.getProperty(Constants.SERIALIZATION_CLASS);
    }

    if (thriftClassName == null) {
      throw new RuntimeException(
          "Required property " + Constants.SERIALIZATION_CLASS + " is null.");
    }

    try {
      Class thriftClass = job.getClassByName(thriftClassName);
      setInputFormatInstance( new MultiInputFormat(new TypeRef(thriftClass) {}));
    } catch (ClassNotFoundException e) {
      throw new RuntimeException("Failed getting class for " + thriftClassName);
    }
  }