SequenceFileReaderBuilder.java 文件源码

public Reader build() throws IOException
{
  when(sequenceFileReader.getKeyClass()).thenReturn(keyValueHelper.getKeyClass());
  when(sequenceFileReader.getValueClass()).thenReturn(keyValueHelper.getValueClass());

  when(sequenceFileReader.next(any(Writable.class), any(Writable.class))).thenAnswer(new Answer<Boolean>()
  {
    @Override
    public Boolean answer(InvocationOnMock invocationOnMock) throws Throwable
    {
      // Get the key and value
      Object[] args = invocationOnMock.getArguments();
      Writable key = (Writable) args[0];
      Writable value = (Writable) args[1];
      return keyValueHelper.next(key, value);
    }
  });

  return sequenceFileReader;
}