}
@Override
public void prepare(Map configMap, TopologyContext arg1, OutputCollector outputCollector) {
this.outputCollector = outputCollector;
karma = new BaseKarma();
karma.setup(config.getProperty("karma.input.type"), config.getProperty("model.uri"), config.getProperty("model.file"), config.getProperty("base.uri"), config.getProperty("context.uri"));
}