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Simplify logic in AsynchronousInstrumentAccumulator (#2349) 

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>
This commit is contained in:
Bogdan Drutu 2020-12-18 09:08:19 -08:00 committed by GitHub
parent 94422d9dc0
commit 0412d47ffe
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1 changed files with 31 additions and 49 deletions
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80
sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/AsynchronousInstrumentAccumulator.java
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@ -5,7 +5,6 @@
package io.opentelemetry.sdk.metrics;
import io.opentelemetry.api.common.Labels;
import io.opentelemetry.api.metrics.AsynchronousInstrument;
import io.opentelemetry.sdk.metrics.aggregator.Aggregator;
import io.opentelemetry.sdk.metrics.data.MetricData;
@ -17,34 +16,24 @@ import javax.annotation.Nullable;
final class AsynchronousInstrumentAccumulator {
private final ReentrantLock collectLock = new ReentrantLock();
private final InstrumentProcessor instrumentProcessor;
private final Consumer<InstrumentProcessor> metricUpdater;
private AsynchronousInstrumentAccumulator(
InstrumentProcessor instrumentProcessor, Consumer<InstrumentProcessor> metricUpdater) {
this.metricUpdater = metricUpdater;
this.instrumentProcessor = instrumentProcessor;
}
public List<MetricData> collectAll() {
collectLock.lock();
try {
metricUpdater.accept(instrumentProcessor);
return instrumentProcessor.completeCollectionCycle();
} finally {
collectLock.unlock();
}
}
private final Runnable metricUpdater;
static AsynchronousInstrumentAccumulator doubleAsynchronousAccumulator(
InstrumentProcessor instrumentProcessor,
@Nullable Consumer<AsynchronousInstrument.DoubleResult> metricUpdater) {
// TODO: Decide what to do with null updater.
if (metricUpdater == null) {
return new AsynchronousInstrumentAccumulator(instrumentProcessor, instrumentProcessor1 -> {});
return new AsynchronousInstrumentAccumulator(instrumentProcessor, () -> {});
}
DoubleResultSdk result = new DoubleResultSdk(instrumentProcessor);
AsynchronousInstrument.DoubleResult result =
(value, labels) -> {
Aggregator aggregator = instrumentProcessor.getAggregator();
aggregator.recordDouble(value);
instrumentProcessor.batch(labels, aggregator, /* mappedAggregator= */ false);
};
return new AsynchronousInstrumentAccumulator(
instrumentProcessor, instrumentProcessor1 -> metricUpdater.accept(result));
instrumentProcessor, () -> metricUpdater.accept(result));
}
static AsynchronousInstrumentAccumulator longAsynchronousAccumulator(
@ -52,40 +41,33 @@ final class AsynchronousInstrumentAccumulator {
@Nullable Consumer<AsynchronousInstrument.LongResult> metricUpdater) {
// TODO: Decide what to do with null updater.
if (metricUpdater == null) {
return new AsynchronousInstrumentAccumulator(instrumentProcessor, instrumentProcessor1 -> {});
return new AsynchronousInstrumentAccumulator(instrumentProcessor, () -> {});
}
LongResultSdk result = new LongResultSdk(instrumentProcessor);
AsynchronousInstrument.LongResult result =
(value, labels) -> {
Aggregator aggregator = instrumentProcessor.getAggregator();
aggregator.recordLong(value);
instrumentProcessor.batch(labels, aggregator, /* mappedAggregator= */ false);
};
return new AsynchronousInstrumentAccumulator(
instrumentProcessor, instrumentProcessor1 -> metricUpdater.accept(result));
instrumentProcessor, () -> metricUpdater.accept(result));
}
private static final class DoubleResultSdk implements AsynchronousInstrument.DoubleResult {
private final InstrumentProcessor instrumentProcessor;
private DoubleResultSdk(InstrumentProcessor instrumentProcessor) {
this.instrumentProcessor = instrumentProcessor;
}
@Override
public void observe(double sum, Labels labels) {
Aggregator aggregator = instrumentProcessor.getAggregator();
aggregator.recordDouble(sum);
instrumentProcessor.batch(labels, aggregator, /* mappedAggregator= */ false);
}
private AsynchronousInstrumentAccumulator(
InstrumentProcessor instrumentProcessor, Runnable metricUpdater) {
this.metricUpdater = metricUpdater;
this.instrumentProcessor = instrumentProcessor;
}
private static final class LongResultSdk implements AsynchronousInstrument.LongResult {
private final InstrumentProcessor instrumentProcessor;
private LongResultSdk(InstrumentProcessor instrumentProcessor) {
this.instrumentProcessor = instrumentProcessor;
}
@Override
public void observe(long sum, Labels labels) {
Aggregator aggregator = instrumentProcessor.getAggregator();
aggregator.recordLong(sum);
instrumentProcessor.batch(labels, aggregator, /* mappedAggregator= */ false);
public List<MetricData> collectAll() {
collectLock.lock();
try {
metricUpdater.run();
return instrumentProcessor.completeCollectionCycle();
} finally {
collectLock.unlock();
}
}
}