@Override
    public void process(DocumentPut put) {
        System.err.println(counter + " DocumentPut: " + put);
        counter++;
    }
Document processor used for a simple, silly test.

@author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
docproc/src/test/java/com/yahoo/docproc/IncrementingDocumentProcessor.java