io.opentelemetry.sdk.testing.exporter.InMemoryMetricReaderBuilder Maven / Gradle / Ivy
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.sdk.testing.exporter;
import static io.opentelemetry.sdk.common.export.MemoryMode.IMMUTABLE_DATA;
import io.opentelemetry.sdk.common.export.MemoryMode;
import io.opentelemetry.sdk.metrics.InstrumentType;
import io.opentelemetry.sdk.metrics.export.AggregationTemporalitySelector;
import io.opentelemetry.sdk.metrics.export.DefaultAggregationSelector;
import io.opentelemetry.sdk.metrics.export.MetricExporter;
/**
* Builder for {@link InMemoryMetricReader}.
*
* @since 1.31.0
*/
public final class InMemoryMetricReaderBuilder {
private AggregationTemporalitySelector aggregationTemporalitySelector =
AggregationTemporalitySelector.alwaysCumulative();
private DefaultAggregationSelector defaultAggregationSelector =
DefaultAggregationSelector.getDefault();
private MemoryMode memoryMode = IMMUTABLE_DATA;
/**
* Creates an {@link InMemoryMetricReaderBuilder} with defaults.
*
* Creates a builder with always-cumulative {@link AggregationTemporalitySelector}, default
* {@link DefaultAggregationSelector} and {@link MemoryMode#IMMUTABLE_DATA} {@link MemoryMode}
*/
InMemoryMetricReaderBuilder() {}
/**
* Sets the {@link AggregationTemporalitySelector} used by {@link
* MetricExporter#getAggregationTemporality(InstrumentType)}.
*
* @param aggregationTemporalitySelector the {@link AggregationTemporalitySelector} to set
* @return this {@link InMemoryMetricReaderBuilder}
*/
public InMemoryMetricReaderBuilder setAggregationTemporalitySelector(
AggregationTemporalitySelector aggregationTemporalitySelector) {
this.aggregationTemporalitySelector = aggregationTemporalitySelector;
return this;
}
/**
* Sets the {@link DefaultAggregationSelector} used by {@link
* MetricExporter#getDefaultAggregation(InstrumentType)}.
*
* @param defaultAggregationSelector the {@link DefaultAggregationSelector} to set
* @return this {@link InMemoryMetricReaderBuilder}
*/
@SuppressWarnings("unused")
public InMemoryMetricReaderBuilder setDefaultAggregationSelector(
DefaultAggregationSelector defaultAggregationSelector) {
this.defaultAggregationSelector = defaultAggregationSelector;
return this;
}
/**
* Sets the {@link MemoryMode}.
*
* @param memoryMode the {@link MemoryMode} to set
* @return this {@link InMemoryMetricReaderBuilder}
*/
public InMemoryMetricReaderBuilder setMemoryMode(MemoryMode memoryMode) {
this.memoryMode = memoryMode;
return this;
}
/** Constructs a {@link InMemoryMetricReader} based on the builder's values. */
public InMemoryMetricReader build() {
return new InMemoryMetricReader(
aggregationTemporalitySelector, defaultAggregationSelector, memoryMode);
}
}