io.opentelemetry.exporter.internal.otlp.metrics.ResourceMetricsStatelessMarshaler Maven / Gradle / Ivy
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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.exporter.internal.otlp.metrics;
import io.opentelemetry.exporter.internal.marshal.MarshalerContext;
import io.opentelemetry.exporter.internal.marshal.MarshalerUtil;
import io.opentelemetry.exporter.internal.marshal.Serializer;
import io.opentelemetry.exporter.internal.marshal.StatelessMarshaler2;
import io.opentelemetry.exporter.internal.marshal.StatelessMarshalerUtil;
import io.opentelemetry.exporter.internal.otlp.ResourceMarshaler;
import io.opentelemetry.proto.metrics.v1.internal.ResourceMetrics;
import io.opentelemetry.sdk.common.InstrumentationScopeInfo;
import io.opentelemetry.sdk.metrics.data.MetricData;
import io.opentelemetry.sdk.resources.Resource;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/**
* A Marshaler of ResourceMetrics. See {@link ResourceMetricsMarshaler}.
*
* This class is internal and is hence not for public use. Its APIs are unstable and can change
* at any time.
*/
public final class ResourceMetricsStatelessMarshaler
implements StatelessMarshaler2>> {
static final ResourceMetricsStatelessMarshaler INSTANCE = new ResourceMetricsStatelessMarshaler();
private static final MarshalerContext.Key SCOPE_METRIC_WRITER_KEY = MarshalerContext.key();
private static final MarshalerContext.Key SCOPE_METRIC_SIZE_CALCULATOR_KEY =
MarshalerContext.key();
private ResourceMetricsStatelessMarshaler() {}
@Override
public void writeTo(
Serializer output,
Resource resource,
Map> scopeMap,
MarshalerContext context)
throws IOException {
ResourceMarshaler resourceMarshaler = context.getData(ResourceMarshaler.class);
output.serializeMessage(ResourceMetrics.RESOURCE, resourceMarshaler);
output.serializeRepeatedMessageWithContext(
ResourceMetrics.SCOPE_METRICS,
scopeMap,
InstrumentationScopeMetricsStatelessMarshaler.INSTANCE,
context,
SCOPE_METRIC_WRITER_KEY);
output.serializeStringWithContext(ResourceMetrics.SCHEMA_URL, resource.getSchemaUrl(), context);
}
@Override
public int getBinarySerializedSize(
Resource resource,
Map> scopeMap,
MarshalerContext context) {
int size = 0;
ResourceMarshaler resourceMarshaler = ResourceMarshaler.create(resource);
context.addData(resourceMarshaler);
size += MarshalerUtil.sizeMessage(ResourceMetrics.RESOURCE, resourceMarshaler);
size +=
StatelessMarshalerUtil.sizeRepeatedMessageWithContext(
ResourceMetrics.SCOPE_METRICS,
scopeMap,
InstrumentationScopeMetricsStatelessMarshaler.INSTANCE,
context,
SCOPE_METRIC_SIZE_CALCULATOR_KEY);
size +=
StatelessMarshalerUtil.sizeStringWithContext(
ResourceMetrics.SCHEMA_URL, resource.getSchemaUrl(), context);
return size;
}
}