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Only increment the added transaction counter if we actually added the…
… transaction (#1543)
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112 changes: 112 additions & 0 deletions
112
metrics/core/src/test-support/java/tech/pegasys/pantheon/metrics/StubMetricsSystem.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package tech.pegasys.pantheon.metrics; | ||
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| import static java.util.Arrays.asList; | ||
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| import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem; | ||
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| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.function.DoubleSupplier; | ||
| import java.util.stream.Stream; | ||
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| public class StubMetricsSystem implements MetricsSystem { | ||
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| private final Map<String, StubLabelledCounter> counters = new HashMap<>(); | ||
| private final Map<String, DoubleSupplier> gauges = new HashMap<>(); | ||
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| @Override | ||
| public LabelledMetric<Counter> createLabelledCounter( | ||
| final MetricCategory category, | ||
| final String name, | ||
| final String help, | ||
| final String... labelNames) { | ||
| return counters.computeIfAbsent(name, key -> new StubLabelledCounter()); | ||
| } | ||
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| public long getCounterValue(final String name, final String... labels) { | ||
| final StubLabelledCounter labelledCounter = counters.get(name); | ||
| if (labelledCounter == null) { | ||
| throw new IllegalArgumentException("Unknown counter: " + name); | ||
| } | ||
| final StubCounter metric = labelledCounter.getMetric(labels); | ||
| if (metric == null) { | ||
| return 0; | ||
| } | ||
| return metric.getValue(); | ||
| } | ||
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| @Override | ||
| public LabelledMetric<OperationTimer> createLabelledTimer( | ||
| final MetricCategory category, | ||
| final String name, | ||
| final String help, | ||
| final String... labelNames) { | ||
| return labelValues -> NoOpMetricsSystem.NO_OP_OPERATION_TIMER; | ||
| } | ||
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| @Override | ||
| public void createGauge( | ||
| final MetricCategory category, | ||
| final String name, | ||
| final String help, | ||
| final DoubleSupplier valueSupplier) { | ||
| gauges.put(name, valueSupplier); | ||
| } | ||
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| public double getGaugeValue(final String name) { | ||
| final DoubleSupplier gauge = gauges.get(name); | ||
| if (gauge == null) { | ||
| throw new IllegalArgumentException("Unknown gauge: " + name); | ||
| } | ||
| return gauge.getAsDouble(); | ||
| } | ||
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| @Override | ||
| public Stream<Observation> streamObservations(final MetricCategory category) { | ||
| throw new UnsupportedOperationException("Observations aren't actually recorded"); | ||
| } | ||
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| public static class StubLabelledCounter implements LabelledMetric<Counter> { | ||
| private final Map<List<String>, StubCounter> metrics = new HashMap<>(); | ||
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| @Override | ||
| public Counter labels(final String... labels) { | ||
| return metrics.computeIfAbsent(asList(labels), key -> new StubCounter()); | ||
| } | ||
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| private StubCounter getMetric(final String... labels) { | ||
| return metrics.get(asList(labels)); | ||
| } | ||
| } | ||
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| public static class StubCounter implements Counter { | ||
| private long value = 0; | ||
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| @Override | ||
| public void inc() { | ||
| value++; | ||
| } | ||
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| @Override | ||
| public void inc(final long amount) { | ||
| value += amount; | ||
| } | ||
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| public long getValue() { | ||
| return value; | ||
| } | ||
| } | ||
| } |