public void aggregate(FlowProcess flow_process, AggregatorCall<Object> ag_call) {
    try {
      ISeq fn_args_seq = Util.coerceFromTuple(ag_call.getArguments().getTuple());
      Object o;
      if (this.args > 0) o = this.init_fn.applyTo(fn_args_seq);
      else o = this.init_fn.invoke();

      ISeq oseq = Util.coerceToSeq(o);

      ISeq currContext = (ISeq) ag_call.getContext();
      if (currContext == null) {
        ag_call.setContext(oseq);
      } else {
        ag_call.setContext(Util.coerceToSeq(this.combine_fn.applyTo(Util.cat(currContext, oseq))));
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
Example #2
0
 @SuppressWarnings("unchecked")
 public void start(FlowProcess flowProcess, AggregatorCall<Tuple[]> aggregatorCall) {
   if (aggregatorCall.getContext() == null) aggregatorCall.setContext(new Tuple[1]);
   else aggregatorCall.getContext()[0] = null;
 }
 public void start(FlowProcess flow_process, AggregatorCall<Object> ag_call) {
   ag_call.setContext(null);
 }