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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.api.metrics;
import io.opentelemetry.api.common.Attributes;
import io.opentelemetry.context.Context;
import javax.annotation.concurrent.ThreadSafe;
/**
* A Counter instrument that records {@code double} values.
*
* @since 1.10.0
*/
@ThreadSafe
public interface DoubleCounter {
/**
* Records a value.
*
* Note: This may use {@code Context.current()} to pull the context associated with this
* measurement.
*
* @param value The increment amount. MUST be non-negative.
*/
void add(double value);
/**
* Records a value with a set of attributes.
*
*
Note: This may use {@code Context.current()} to pull the context associated with this
* measurement.
*
* @param value The increment amount. MUST be non-negative.
* @param attributes A set of attributes to associate with the value.
*/
void add(double value, Attributes attributes);
/**
* Records a value with a set of attributes.
*
* @param value The increment amount. MUST be non-negative.
* @param attributes A set of attributes to associate with the value.
* @param context The explicit context to associate with this measurement.
*/
void add(double value, Attributes attributes, Context context);
}