// @Override public void executeCommand() throws HippoBusinessException { List<Topic> topicsToProcess = getTopicsToProcess(); Topic tag = getTagToAddThingsTo(); Topic removeFromThis = getRemoveFromThis(); System.out.println(toString()); for (Topic toProcess : topicsToProcess) { // System.out.println("AddToTagCommand to process " + toProcess + " occ " // + (toProcess instanceof Occurrence)); if (toProcess instanceof Occurrence) { Occurrence occToProcces = (Occurrence) toProcess; // System.out.println("AddToTagCommand. Process as occ"); tag.addOccurence(occToProcces); } else { // System.out.println("AddToTagCommand. Process as topic"); toProcess.tagTopic(tag); } if (null != removeFromThis) { if (toProcess instanceof Occurrence) { Occurrence occToProcces = (Occurrence) toProcess; removeFromThis.removeOcc(occToProcces); } else { toProcess.removeType(removeFromThis); } // throw new HippoBusinessException("Error Removing Occurrence"); } } }