rename DistributedContext to CorrelationContext (#834)

packages/opentelemetry-api/src/correlation_context/CorrelationContext.ts

@@ -17,13 +17,13 @@
 import { EntryValue } from './EntryValue';
 
 /**
- * DistributedContext represents collection of entries. Each key of
- * DistributedContext is associated with exactly one value. DistributedContext
+ * CorrelationContext represents collection of entries. Each key of
+ * CorrelationContext is associated with exactly one value. CorrelationContext
  * is serializable, to facilitate propagating it not only inside the process
- * but also across process boundaries. DistributedContext is used to annotate
+ * but also across process boundaries. CorrelationContext is used to annotate
  * telemetry with the name:value pair Entry. Those values can be used to add
  * dimension to the metric or additional contest properties to logs and traces.
  */
-export interface DistributedContext {
+export interface CorrelationContext {
   [entryKey: string]: EntryValue;
 }

packages/opentelemetry-api/src/correlation_context/EntryValue.ts

@@ -16,7 +16,7 @@
 
 /**
  * {@link EntryValue} contains properties associated with a {@link
- * DistributedContext}.
+ * CorrelationContext}.
  */
 export interface EntryValue {
   /** `String` value of the `EntryValue`. */

packages/opentelemetry-api/src/index.ts

@@ -18,8 +18,8 @@ export * from './common/Logger';
 export * from './common/Time';
 export * from './context/propagation/carrier';
 export * from './context/propagation/HttpTextFormat';
-export * from './distributed_context/DistributedContext';
-export * from './distributed_context/EntryValue';
+export * from './correlation_context/CorrelationContext';
+export * from './correlation_context/EntryValue';
 export * from './metrics/BoundInstrument';
 export * from './metrics/Meter';
 export * from './metrics/MeterProvider';

packages/opentelemetry-api/src/metrics/BoundInstrument.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { DistributedContext } from '../distributed_context/DistributedContext';
+import { CorrelationContext } from '../correlation_context/CorrelationContext';
 import { SpanContext } from '../trace/span_context';
 
 /** An Instrument for Counter Metric. */
@@ -31,15 +31,16 @@ export interface BoundMeasure {
   /**
    * Records the given value to this measure.
    * @param value the measurement to record.
-   * @param distContext the distContext associated with the measurements.
+   * @param correlationContext the correlationContext associated with the
+   *     measurements.
    * @param spanContext the {@link SpanContext} that identifies the {@link Span}
    *     for which the measurements are associated with.
    */
   record(value: number): void;
-  record(value: number, distContext: DistributedContext): void;
+  record(value: number, correlationContext: CorrelationContext): void;
   record(
     value: number,
-    distContext: DistributedContext,
+    correlationContext: CorrelationContext,
     spanContext: SpanContext
   ): void;
 }

packages/opentelemetry-api/src/metrics/Metric.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { DistributedContext } from '../distributed_context/DistributedContext';
+import { CorrelationContext } from '../correlation_context/CorrelationContext';
 import { SpanContext } from '../trace/span_context';
 
 /**
@@ -118,13 +118,13 @@ export interface MetricUtils {
   record(
     value: number,
     labelSet: LabelSet,
-    distContext: DistributedContext
+    correlationContext: CorrelationContext
   ): void;
 
   record(
     value: number,
     labelSet: LabelSet,
-    distContext: DistributedContext,
+    correlationContext: CorrelationContext,
     spanContext: SpanContext
   ): void;
 }

packages/opentelemetry-api/src/metrics/NoopMeter.ts

@@ -17,7 +17,7 @@
 import { Meter } from './Meter';
 import { MetricOptions, Metric, Labels, LabelSet, MetricUtils } from './Metric';
 import { BoundMeasure, BoundCounter } from './BoundInstrument';
-import { DistributedContext } from '../distributed_context/DistributedContext';
+import { CorrelationContext } from '../correlation_context/CorrelationContext';
 import { SpanContext } from '../trace/span_context';
 
 /**
@@ -107,15 +107,15 @@ export class NoopMeasureMetric extends NoopMetric<BoundMeasure>
   record(
     value: number,
     labelSet: LabelSet,
-    distContext?: DistributedContext,
+    correlationContext?: CorrelationContext,
     spanContext?: SpanContext
   ) {
-    if (typeof distContext === 'undefined') {
+    if (typeof correlationContext === 'undefined') {
       this.bind(labelSet).record(value);
     } else if (typeof spanContext === 'undefined') {
-      this.bind(labelSet).record(value, distContext);
+      this.bind(labelSet).record(value, correlationContext);
     } else {
-      this.bind(labelSet).record(value, distContext, spanContext);
+      this.bind(labelSet).record(value, correlationContext, spanContext);
     }
   }
 }
@@ -129,7 +129,7 @@ export class NoopBoundCounter implements BoundCounter {
 export class NoopBoundMeasure implements BoundMeasure {
   record(
     value: number,
-    distContext?: DistributedContext,
+    correlationContext?: CorrelationContext,
     spanContext?: SpanContext
   ): void {
     return;

packages/opentelemetry-api/src/trace/span_context.ts

@@ -19,7 +19,7 @@ import { TraceState } from './trace_state';
 
 /**
  * A SpanContext represents the portion of a {@link Span} which must be
- * serialized and propagated along side of a {@link DistributedContext}.
+ * serialized and propagated along side of a {@link CorrelationContext}.
  */
 export interface SpanContext {
   /**

packages/opentelemetry-metrics/src/BoundInstrument.ts

@@ -116,7 +116,7 @@ export class BoundMeasure extends BaseBoundInstrument
 
   record(
     value: number,
-    distContext?: types.DistributedContext,
+    correlationContext?: types.CorrelationContext,
     spanContext?: types.SpanContext
   ): void {
     if (this._absolute && value < 0) {