writeStringFieldIfNotNull(json, NAME, name);
json.writeNumberField(COUNT, view.getCount(phase, step));
writeStringFieldIfNotNull(json, FILE, step.getFile());
writeNumberFieldIfDefined(json, SIZE, step.getSize());
json.writeNumberField(TOTAL, view.getTotal(phase, step));
json.writeNumberField(PERCENT_COMPLETE, view.getPercentComplete(phase,
step));
json.writeNumberField(ELAPSED_TIME, view.getElapsedTime(phase, step));
json.writeEndObject();
}