JSONRecordReader.java 文件源码

@Override
public void initialize(InputSplit inputSplit, TaskAttemptContext context) throws IOException
{
  key = new Text();
  value = new MapWritable();
  jsonParser = new JSONParser();

  lineReader = new LineRecordReader();
  lineReader.initialize(inputSplit, context);

  queryString = context.getConfiguration().get("query", "?q=*");

  // Load the data schemas
  FileSystem fs = FileSystem.get(context.getConfiguration());
  try
  {
    SystemConfiguration.setProperty("data.schemas", context.getConfiguration().get("data.schemas"));
    DataSchemaLoader.initialize(true, fs);
  } catch (Exception e)
  {
    e.printStackTrace();
  }
  String dataSchemaName = context.getConfiguration().get("dataSchemaName");
  dataSchema = DataSchemaRegistry.get(dataSchemaName);
}