package marceline.storm.trident.clojure;
import backtype.storm.utils.Utils;
import backtype.storm.metric.api.IMetricsConsumer;
import backtype.storm.task.TopologyContext;
import backtype.storm.task.IErrorReporter;
import clojure.lang.IFn;
import clojure.lang.RT;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.Collection;
public class ClojureMetricsConsumer implements IMetricsConsumer {
List<String> _fnSpec;
List<Object> _params;
IMetricsConsumer _fn;
public ClojureMetricsConsumer(List fnSpec, List<Object> params) {
_fnSpec = fnSpec;
_params = params;
}
@Override
public void prepare(final Map conf, final Object registrationArgument, final TopologyContext context, final IErrorReporter errorReporter) {
IFn hof = Utils.loadClojureFn(_fnSpec.get(0), _fnSpec.get(1));
try {
IFn preparer = (IFn) hof.applyTo(RT.seq(_params));
List<Object> args = new ArrayList<Object>() {{
add(conf);
add(registrationArgument);
add(context);
add(errorReporter);
}};
_fn = (IMetricsConsumer) preparer.applyTo(RT.seq(args));
try {
_fn.prepare(conf, registrationArgument, context, errorReporter);
} catch (AbstractMethodError ame) {
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public void handleDataPoints(TaskInfo taskInfo, Collection<DataPoint> dataPoints) {
_fn.handleDataPoints(taskInfo, dataPoints);
}
@Override
public void cleanup() {
}
}