package com.cloudera.flume.reporter.history;
import java.io.IOException;
import java.util.ArrayList;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.FlumeConfiguration;
import com.cloudera.flume.conf.SinkFactory.SinkBuilder;
import com.cloudera.flume.core.EventSink;
import com.cloudera.flume.handlers.rolling.Tagger;
import com.cloudera.flume.reporter.ReportEvent;
import com.cloudera.flume.reporter.aggregator.CounterSink;
import com.cloudera.flume.reporter.charts.ChartPackage;
import com.cloudera.util.Pair;
import com.google.common.base.Preconditions;
this(name, maxAge, new DumbTagger());
}
super(name, maxAge, FlumeConfiguration.get().getHistoryMaxLength(), t);
}
@Override
public CounterSink
newSink(Tagger format)
throws IOException {
return new CounterSink(format.newTag());
}
@Override
ArrayList<Pair<Long, Long>> list =
new ArrayList<Pair<Long, Long>>(getHistory().size());
for (Pair<Long, CounterSink> p : getHistory()) {
list.add(new Pair<Long, Long>(p.getLeft(), p.getRight().getCount()));
}
String report = ChartPackage.createTimelineGen().generate(list);
return ReportEvent.createLegacyHtmlReport(name, report);
}
public static SinkBuilder
builder() {
return new SinkBuilder() {
@Override
public EventSink
build(Context context, String... argv) {
Preconditions.checkArgument(argv.length <= 2,
"usage: counterHistory(name[, period_ms])");
String name = argv[0];
long period = FlumeConfiguration.get().getHistoryDefaultPeriod();
if (argv.length == 2) {
period = Integer.parseInt(argv[1]);
}
EventSink snk = new CountHistoryReporter(name, period);
return snk;
}
};
}
}