org.apache.flink.runtime.healthmanager.metrics.timeline.CombinedTimelineAggregator Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.flink.runtime.healthmanager.metrics.timeline;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.util.Preconditions;
/**
* CombinedTimelineAggregator aggregates value by partial timeline interval and then aggregates value of sub timeline aggregator by timeline interval.
*/
public class CombinedTimelineAggregator extends TimelineAggregator {
private TimelineAggregator totalAggregator;
private TimelineAggregator partialTimelineAggregator;
private long lastTimestamp = -1;
public CombinedTimelineAggregator(long startTimestamp, TimelineAggType timelineAggType, long interval, TimelineAggType partialTimelineAggType, long partialTimelieInterval) {
super(startTimestamp, interval);
Preconditions.checkArgument(interval > partialTimelieInterval && interval % partialTimelieInterval == 0, "timeline interval mod sub timeline interval should be 0.");
totalAggregator = TimelineAggregator.createTimelineAggregator(timelineAggType, interval, startTimestamp);
partialTimelineAggregator = TimelineAggregator.createTimelineAggregator(partialTimelineAggType, partialTimelieInterval, startTimestamp);
}
@Override
public void updateTimestamp(long timestamp) {
partialTimelineAggregator.updateTimestamp(timestamp);
Tuple2 subValue = partialTimelineAggregator.getValue();
if (subValue != null && subValue.f0 > lastTimestamp) {
totalAggregator.addValue(subValue);
lastTimestamp = subValue.f0;
}
totalAggregator.updateTimestamp(timestamp);
}
@Override
public void addValue(Tuple2 value) {
partialTimelineAggregator.addValue(value);
Tuple2 subValue = partialTimelineAggregator.getValue();
if (subValue != null && subValue.f0 > lastTimestamp) {
totalAggregator.addValue(subValue);
lastTimestamp = subValue.f0;
}
totalAggregator.updateTimestamp(value.f0);
}
@Override
public Tuple2 getValue() {
return totalAggregator.getValue();
}
}