code: private void validateSingleTableInput(final AnalysisJob job) {
          final SourceColumnFinder sourceColumnFinder = new SourceColumnFinder();
          sourceColumnFinder.addSources(job);
          validateSingleTableInput(sourceColumnFinder, job.getTransformerJobs());
          validateSingleTableInput(sourceColumnFinder, job.getFilterJobs());
          validateSingleTableInput(sourceColumnFinder, job.getAnalyzerJobs());
      }
docs: Prevents that any row processing components have input from different
  tables.
  
  @param job