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CustomOpenTelemetryMetricsProvider.java
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CustomOpenTelemetryMetricsProvider.java
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/*
* Copyright 2024 Google LLC
*
* 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
*
* https://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 com.google.cloud.bigtable.data.v2.stub.metrics;
import com.google.common.base.MoreObjects;
import io.opentelemetry.api.OpenTelemetry;
/**
* Set a custom OpenTelemetry instance.
*
* <p>To register client side metrics on the custom OpenTelemetry:
*
* <pre>{@code
* SdkMeterProviderBuilder sdkMeterProvider = SdkMeterProvider.builder();
*
* // register Builtin metrics on your meter provider with default credentials
* BuiltinMetricsView.registerBuiltinMetrics("project-id", sdkMeterProvider);
*
* // register other metrics reader and views
* sdkMeterProvider.registerMetricReader(..);
* sdkMeterProvider.registerView(..);
*
* // create the OTEL instance
* OpenTelemetry openTelemetry = OpenTelemetrySdk
* .builder()
* .setMeterProvider(sdkMeterProvider.build())
* .build();
*
* // Override MetricsProvider in BigtableDataSettings
* BigtableDataSettings settings = BigtableDataSettings.newBuilder()
* .setProjectId("my-project")
* .setInstanceId("my-instance-id")
* .setMetricsProvider(CustomOpenTelemetryMetricsProvider.create(openTelemetry)
* .build();
* }</pre>
*/
public final class CustomOpenTelemetryMetricsProvider implements MetricsProvider {
private final OpenTelemetry otel;
public static CustomOpenTelemetryMetricsProvider create(OpenTelemetry otel) {
return new CustomOpenTelemetryMetricsProvider(otel);
}
private CustomOpenTelemetryMetricsProvider(OpenTelemetry otel) {
this.otel = otel;
}
public OpenTelemetry getOpenTelemetry() {
return otel;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this).add("openTelemetry", otel).toString();
}
}