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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <memory>
#include <utility>
#include "opentelemetry/metrics/async_instruments.h"
#include "opentelemetry/sdk/metrics/async_instruments.h"
#include "opentelemetry/sdk/metrics/instruments.h"
#include "opentelemetry/sdk/metrics/state/metric_storage.h"
#include "opentelemetry/sdk/metrics/state/observable_registry.h"
#include "opentelemetry/version.h"
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
namespace metrics
{
ObservableInstrument::ObservableInstrument(InstrumentDescriptor instrument_descriptor,
std::unique_ptr<AsyncWritableMetricStorage> storage,
std::shared_ptr<ObservableRegistry> observable_registry)
: instrument_descriptor_(std::move(instrument_descriptor)),
storage_(std::move(storage)),
observable_registry_{std::move(observable_registry)}
{}
ObservableInstrument::~ObservableInstrument()
{
observable_registry_->CleanupCallback(this);
}
void ObservableInstrument::AddCallback(opentelemetry::metrics::ObservableCallbackPtr callback,
void *state) noexcept
{
observable_registry_->AddCallback(callback, state, this);
}
void ObservableInstrument::RemoveCallback(opentelemetry::metrics::ObservableCallbackPtr callback,
void *state) noexcept
{
observable_registry_->RemoveCallback(callback, state, this);
}
const InstrumentDescriptor &ObservableInstrument::GetInstrumentDescriptor()
{
return instrument_descriptor_;
}
AsyncWritableMetricStorage *ObservableInstrument::GetMetricStorage()
{
return storage_.get();
}
} // namespace metrics
} // namespace sdk
OPENTELEMETRY_END_NAMESPACE
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