fix: add UpDownCounterMetric.ts

packages/opentelemetry-metrics/src/Meter.ts

@@ -18,13 +18,8 @@ import * as api from '@opentelemetry/api';
 import { ConsoleLogger } from '@opentelemetry/core';
 import { Resource } from '@opentelemetry/resources';
 import { BaseBoundInstrument } from './BoundInstrument';
-import {
- Metric,
- CounterMetric,
- UpDownCounterMetric,
- MeasureMetric,
- ObserverMetric,
-} from './Metric';
+import { UpDownCounterMetric } from './UpDownCounterMetric';
+import { Metric, CounterMetric, MeasureMetric, ObserverMetric } from './Metric';
 import {
  MetricOptions,
  DEFAULT_METRIC_OPTIONS,

packages/opentelemetry-metrics/src/Metric.ts

@@ -18,7 +18,6 @@ import * as api from '@opentelemetry/api';
 import { Resource } from '@opentelemetry/resources';
 import {
  BoundCounter,
- BoundUpDownCounter,
  BaseBoundInstrument,
  BoundMeasure,
  BoundObserver,
@@ -136,38 +135,6 @@ export class CounterMetric extends Metric<BoundCounter> implements api.Counter {
  }
 }
 
-/** This is a SDK implementation of UpDownCounter Metric. */
-export class UpDownCounterMetric extends Metric<BoundUpDownCounter>
- implements api.UpDownCounter {
- constructor(
- name: string,
- options: MetricOptions,
- private readonly _batcher: Batcher,
- resource: Resource
- ) {
- super(name, options, MetricKind.UP_DOWN_COUNTER, resource);
- }
- protected _makeInstrument(labels: api.Labels): BoundUpDownCounter {
- return new BoundUpDownCounter(
- labels,
- this._disabled,
- this._valueType,
- this._logger,
- this._batcher.aggregatorFor(this._descriptor)
- );
- }
-
- /**
- * Adds the given value to the current value. Values cannot be negative.
- * @param value the value to add.
- * @param [labels = {}] key-values pairs that are associated with a specific
- * metric that you want to record.
- */
- add(value: number, labels: api.Labels = {}) {
- this.bind(labels).add(value);
- }
-}
-
 export class MeasureMetric extends Metric<BoundMeasure> implements api.Measure {
  protected readonly _absolute: boolean;
 

packages/opentelemetry-metrics/src/UpDownCounterMetric.ts

@@ -0,0 +1,55 @@
+/*!
+ * Copyright 2019, OpenTelemetry Authors
+ *
+ * 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.
+ */
+
+import * as api from '@opentelemetry/api';
+import { Resource } from '@opentelemetry/resources';
+import { BoundUpDownCounter } from './BoundInstrument';
+import { MetricOptions } from './types';
+import { MetricKind } from './export/types';
+import { Batcher } from './export/Batcher';
+import { Metric } from './Metric';
+
+/** This is a SDK implementation of UpDownCounter Metric. */
+export class UpDownCounterMetric extends Metric<BoundUpDownCounter>
+ implements api.UpDownCounter {
+ constructor(
+ name: string,
+ options: MetricOptions,
+ private readonly _batcher: Batcher,
+ resource: Resource
+ ) {
+ super(name, options, MetricKind.UP_DOWN_COUNTER, resource);
+ }
+ protected _makeInstrument(labels: api.Labels): BoundUpDownCounter {
+ return new BoundUpDownCounter(
+ labels,
+ this._disabled,
+ this._valueType,
+ this._logger,
+ this._batcher.aggregatorFor(this._descriptor)
+ );
+ }
+
+ /**
+ * Adds the given value to the current value. Values cannot be negative.
+ * @param value the value to add.
+ * @param [labels = {}] key-values pairs that are associated with a specific
+ * metric that you want to record.
+ */
+ add(value: number, labels: api.Labels = {}) {
+ this.bind(labels).add(value);
+ }
+}

packages/opentelemetry-metrics/src/index.ts

@@ -22,3 +22,4 @@ export * from './MetricObservable';
 export * from './export/aggregators';
 export * from './export/ConsoleMetricExporter';
 export * from './export/types';
+export * from './UpDownCounterMetric';