Open Telemetry: Fixes Operation name to follow Otel convention

Microsoft.Azure.Cosmos/src/Batch/BatchCore.cs

@@ -10,6 +10,7 @@ namespace Microsoft.Azure.Cosmos
     using System.Linq;
     using System.Threading;
     using System.Threading.Tasks;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Documents;
 
     internal class BatchCore : TransactionalBatchInternal
@@ -18,6 +19,11 @@ internal class BatchCore : TransactionalBatchInternal
 
         private readonly ContainerInternal container;
 
+        /// <summary>
+        /// The list of operations in the batch.
+        /// </summary>
+        protected List<ItemBatchOperation> operations;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="BatchCore"/> class.
         /// </summary>
@@ -29,6 +35,8 @@ internal BatchCore(
         {
             this.container = container;
             this.partitionKey = partitionKey;
+
+            this.operations = new List<ItemBatchOperation>();
         }
 
         public override TransactionalBatch CreateItem<T>(
@@ -40,7 +48,7 @@ public override TransactionalBatch CreateItem<T>(
                 throw new ArgumentNullException(nameof(item));
             }
 
-            this.AddOperation(new ItemBatchOperation<T>(
+            this.operations.Add(new ItemBatchOperation<T>(
                     operationType: OperationType.Create,
                     operationIndex: this.operations.Count,
                     resource: item,
@@ -59,7 +67,7 @@ public override TransactionalBatch CreateItemStream(
                 throw new ArgumentNullException(nameof(streamPayload));
             }
 
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                     operationType: OperationType.Create,
                     operationIndex: this.operations.Count,
                     resourceStream: streamPayload,
@@ -78,7 +86,7 @@ public override TransactionalBatch ReadItem(
                 throw new ArgumentNullException(nameof(id));
             }
 
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                     operationType: OperationType.Read,
                     operationIndex: this.operations.Count,
                     id: id,
@@ -97,7 +105,7 @@ public override TransactionalBatch UpsertItem<T>(
                 throw new ArgumentNullException(nameof(item));
             }
 
-            this.AddOperation(new ItemBatchOperation<T>(
+            this.operations.Add(new ItemBatchOperation<T>(
                     operationType: OperationType.Upsert,
                     operationIndex: this.operations.Count,
                     resource: item,
@@ -116,7 +124,7 @@ public override TransactionalBatch UpsertItemStream(
                 throw new ArgumentNullException(nameof(streamPayload));
             }
 
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                     operationType: OperationType.Upsert,
                     operationIndex: this.operations.Count,
                     resourceStream: streamPayload,
@@ -141,7 +149,7 @@ public override TransactionalBatch ReplaceItem<T>(
                 throw new ArgumentNullException(nameof(item));
             }
 
-            this.AddOperation(new ItemBatchOperation<T>(
+            this.operations.Add(new ItemBatchOperation<T>(
                     operationType: OperationType.Replace,
                     operationIndex: this.operations.Count,
                     id: id,
@@ -167,7 +175,7 @@ public override TransactionalBatch ReplaceItemStream(
                 throw new ArgumentNullException(nameof(streamPayload));
             }
 
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                     operationType: OperationType.Replace,
                     operationIndex: this.operations.Count,
                     id: id,
@@ -187,7 +195,7 @@ public override TransactionalBatch DeleteItem(
                 throw new ArgumentNullException(nameof(id));
             }
 
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                     operationType: OperationType.Delete,
                     operationIndex: this.operations.Count,
                     id: id,
@@ -232,10 +240,7 @@ public override Task<TransactionalBatchResponse> ExecuteAsync(
                     this.operations = new List<ItemBatchOperation>();
                     return executor.ExecuteAsync(trace,  cancellationToken);
                 },
-                openTelemetry: (response) => new OpenTelemetryResponse(
-                    responseMessage: response, 
-                    isHomogenousOperations: this.isHomogenousOperations, 
-                    batchOperation: this.homogenousOperation));
+                openTelemetry: new (OpenTelemetryConstants.Operations.ExecuteBatch, (response) => new OpenTelemetryResponse(responseMessage: response)));
         }
 
         /// <summary>
@@ -250,7 +255,7 @@ public virtual TransactionalBatch PatchItemStream(
             Stream patchStream,
             TransactionalBatchPatchItemRequestOptions requestOptions = null)
         {
-            this.AddOperation(new ItemBatchOperation(
+            this.operations.Add(new ItemBatchOperation(
                 operationType: OperationType.Patch,
                 operationIndex: this.operations.Count,
                 id: id,
@@ -286,7 +291,7 @@ public override TransactionalBatch PatchItem(
 
             PatchSpec patchSpec = new PatchSpec(patchOperations, requestOptions);
 
-            this.AddOperation(new ItemBatchOperation<PatchSpec>(
+            this.operations.Add(new ItemBatchOperation<PatchSpec>(
                 operationType: OperationType.Patch,
                 operationIndex: this.operations.Count,
                 id: id,

Microsoft.Azure.Cosmos/src/Batch/TransactionalBatchInternal.cs

@@ -5,8 +5,6 @@
 namespace Microsoft.Azure.Cosmos
 {
     using System.Collections.Generic;
-    using System.Linq;
-    using Microsoft.Azure.Documents;
 
     /// <summary>
     /// Represents an internal abstract class for handling transactional batches of operations.
@@ -15,47 +13,5 @@ namespace Microsoft.Azure.Cosmos
     /// </summary>
     internal abstract class TransactionalBatchInternal : TransactionalBatch
     {
-        /// <summary>
-        /// The list of operations in the batch.
-        /// </summary>
-        protected List<ItemBatchOperation> operations;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="TransactionalBatchInternal"/> class.
-        /// </summary>
-        public TransactionalBatchInternal()
-        {
-            this.operations = new List<ItemBatchOperation>();
-        }
-
-        /// <summary>
-        /// Indicates whether all operations in the batch are of the same type.
-        /// </summary>
-        internal bool isHomogenousOperations = true;
-
-        /// <summary>
-        /// Stores the operation type if all operations in the batch are of the same type; otherwise, null.
-        /// </summary>
-        internal OperationType? homogenousOperation = null;
-
-        /// <summary>
-        /// Adds an operation to the batch.
-        /// </summary>
-        /// <param name="itemBatchOperation">The operation to add to the batch.</param>
-        /// <remarks>
-        /// This method performs the following actions:
-        /// 1. Checks if the batch is homogeneous (all operations of the same type) and if the new operation's type matches the type of the existing operations.
-        /// 2. Updates the <see cref="isHomogenousOperations"/> flag and the <see cref="homogenousOperation"/> property based on the check.
-        /// 3. Adds the operation to the list of operations.
-        /// </remarks>
-        protected void AddOperation(ItemBatchOperation itemBatchOperation)
-        {
-            if (this.isHomogenousOperations && this.operations.Count > 0)
-            {
-                this.isHomogenousOperations = this.operations.First().OperationType == itemBatchOperation.OperationType;
-                this.homogenousOperation = this.isHomogenousOperations ? itemBatchOperation.OperationType : null;
-            }
-            this.operations.Add(itemBatchOperation);
-        }
     }
 }

Microsoft.Azure.Cosmos/src/ChangeFeed/ChangeFeedIteratorCore.cs

@@ -13,6 +13,7 @@ namespace Microsoft.Azure.Cosmos.ChangeFeed
     using Microsoft.Azure.Cosmos.Pagination;
     using Microsoft.Azure.Cosmos.Query.Core;
     using Microsoft.Azure.Cosmos.Query.Core.Monads;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Microsoft.Azure.Documents;
 
@@ -50,6 +51,8 @@ public ChangeFeedIteratorCore(
             this.changeFeedRequestOptions = changeFeedRequestOptions ?? new ChangeFeedRequestOptions();
             this.changeFeedQuerySpec = changeFeedQuerySpec;
 
+            this.operationName = OpenTelemetryConstants.Operations.QueryChangeFeed;
+
             this.lazyMonadicEnumerator = new AsyncLazy<TryCatch<CrossPartitionChangeFeedAsyncEnumerator>>(
                 valueFactory: async (trace, cancellationToken) =>
                 {
@@ -226,7 +229,7 @@ public override async Task<ResponseMessage> ReadNextAsync(CancellationToken canc
                                                 operationType: OperationType.ReadFeed,
                                                 requestOptions: this.changeFeedRequestOptions,
                                                 task: (trace) => this.ReadNextInternalAsync(trace, cancellationToken),
-                                                openTelemetry: (response) => new OpenTelemetryResponse(responseMessage: response),
+                                                openTelemetry: new (OpenTelemetryConstants.Operations.QueryChangeFeed, (response) => new OpenTelemetryResponse(responseMessage: response)),
                                                 traceComponent: TraceComponent.ChangeFeed,
                                                 traceLevel: TraceLevel.Info);
         }

Microsoft.Azure.Cosmos/src/ChangeFeed/ChangeFeedPartitionKeyResultSetIteratorCore.cs

@@ -9,7 +9,7 @@ namespace Microsoft.Azure.Cosmos.ChangeFeed
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.Azure.Cosmos.ChangeFeed.LeaseManagement;
-    using Microsoft.Azure.Cosmos.CosmosElements;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Microsoft.Azure.Documents;
 
@@ -81,6 +81,8 @@ private ChangeFeedPartitionKeyResultSetIteratorCore(
             this.changeFeedStartFrom = changeFeedStartFrom ?? throw new ArgumentNullException(nameof(changeFeedStartFrom));
             this.clientContext = this.container.ClientContext;
             this.changeFeedOptions = options;
+
+            this.operationName = OpenTelemetryConstants.Operations.QueryChangeFeed;
         }
 
         public override bool HasMoreResults => this.hasMoreResultsInternal;
@@ -99,8 +101,6 @@ public override Task<ResponseMessage> ReadNextAsync(CancellationToken cancellati
                                 operationType: Documents.OperationType.ReadFeed,
                                 requestOptions: this.changeFeedOptions,
                                 task: (trace) => this.ReadNextAsync(trace, cancellationToken),
-                                openTelemetry: (response) => new OpenTelemetryResponse(
-                                    responseMessage: response),
                                 traceComponent: TraceComponent.ChangeFeed,
                                 traceLevel: TraceLevel.Info);
         }

Microsoft.Azure.Cosmos/src/ChangeFeed/StandByFeedIteratorCore.cs

@@ -11,6 +11,7 @@ namespace Microsoft.Azure.Cosmos.ChangeFeed
     using System.Threading.Tasks;
     using Microsoft.Azure.Cosmos.CosmosElements;
     using Microsoft.Azure.Cosmos.Routing;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Microsoft.Azure.Documents;
 
@@ -45,6 +46,8 @@ internal StandByFeedIteratorCore(
             this.changeFeedOptions = options;
             this.maxItemCount = maxItemCount;
             this.continuationToken = continuationToken;
+
+            this.operationName = OpenTelemetryConstants.Operations.QueryChangeFeed;
         }
 
         /// <summary>

Microsoft.Azure.Cosmos/src/ChangeFeedProcessor/ChangeFeedEstimatorIterator.cs

@@ -18,6 +18,7 @@ namespace Microsoft.Azure.Cosmos.ChangeFeed
     using Microsoft.Azure.Cosmos.Diagnostics;
     using Microsoft.Azure.Cosmos.Query.Core;
     using Microsoft.Azure.Cosmos.Query.Core.Monads;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Newtonsoft.Json.Linq;
 
@@ -106,6 +107,8 @@ private ChangeFeedEstimatorIterator(
 
             this.monitoredContainerFeedCreator = monitoredContainerFeedCreator;
             this.documentServiceLeaseContainer = documentServiceLeaseContainer;
+
+            this.operationName = OpenTelemetryConstants.Operations.QueryChangeFeedEstimator;
         }
 
         public override bool HasMoreResults => this.hasMoreResults;
@@ -119,7 +122,7 @@ public override Task<FeedResponse<ChangeFeedProcessorState>> ReadNextAsync(Cance
                 operationType: Documents.OperationType.ReadFeed,
                 requestOptions: null,
                 task: (trace) => this.ReadNextAsync(trace, cancellationToken),
-                openTelemetry: (response) => new OpenTelemetryResponse<ChangeFeedProcessorState>(responseMessage: response),
+                openTelemetry: new (OpenTelemetryConstants.Operations.QueryChangeFeedEstimator, (response) => new OpenTelemetryResponse<ChangeFeedProcessorState>(responseMessage: response)),
                 traceComponent: TraceComponent.ChangeFeed,
                 traceLevel: TraceLevel.Info);
         }

Microsoft.Azure.Cosmos/src/CosmosClient.cs

@@ -18,6 +18,8 @@ namespace Microsoft.Azure.Cosmos
     using Microsoft.Azure.Cosmos.Handlers;
     using Microsoft.Azure.Cosmos.Query.Core.Monads;
     using Microsoft.Azure.Cosmos.Query.Core.QueryPlan;
+    using Microsoft.Azure.Cosmos.Telemetry;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Microsoft.Azure.Cosmos.Tracing.TraceData;
     using Microsoft.Azure.Documents;
@@ -756,7 +758,7 @@ public virtual Task<DatabaseResponse> CreateDatabaseAsync(
                         trace: trace,
                         cancellationToken: cancellationToken);
                 },
-                openTelemetry: (response) => new OpenTelemetryResponse<DatabaseProperties>(responseMessage: response));
+                openTelemetry: new (OpenTelemetryConstants.Operations.CreateDatabase, (response) => new OpenTelemetryResponse<DatabaseProperties>(responseMessage: response)));
         }
 
         /// <summary>
@@ -804,7 +806,7 @@ public virtual Task<DatabaseResponse> CreateDatabaseAsync(
                         trace: trace,
                         cancellationToken: cancellationToken);
                 },
-                openTelemetry: (response) => new OpenTelemetryResponse<DatabaseProperties>(responseMessage: response));
+                openTelemetry: new (OpenTelemetryConstants.Operations.CreateDatabase, (response) => new OpenTelemetryResponse<DatabaseProperties>(responseMessage: response)));
         }
 
         /// <summary>
@@ -900,8 +902,7 @@ public virtual Task<DatabaseResponse> CreateDatabaseIfNotExistsAsync(
                             return this.ClientContext.ResponseFactory.CreateDatabaseResponse(this.GetDatabase(databaseProperties.Id), readResponseAfterConflict);
                         }
                     },
-                    openTelemetry: (response) => new OpenTelemetryResponse<DatabaseProperties>(
-                        responseMessage: response));
+                    openTelemetry: new (OpenTelemetryConstants.Operations.CreateDatabaseIfNotExists, (response) => new OpenTelemetryResponse<DatabaseProperties>(responseMessage: response)));
         }
 
         /// <summary>
@@ -1205,7 +1206,7 @@ public virtual Task<ResponseMessage> CreateDatabaseStreamAsync(
                          trace,
                          cancellationToken);
                  },
-                 openTelemetry: (response) => new OpenTelemetryResponse(response));
+                 openTelemetry: new (OpenTelemetryConstants.Operations.CreateDatabase, (response) => new OpenTelemetryResponse(response)));
         }
 
         /// <summary>
@@ -1288,7 +1289,7 @@ internal virtual Task<ResponseMessage> CreateDatabaseStreamAsync(
             }
 
             return this.ClientContext.OperationHelperAsync(
-                operationName: nameof(CreateDatabaseIfNotExistsAsync),
+                operationName: nameof(CreateDatabaseStreamAsync),
                 containerName: null,
                 databaseName: databaseProperties.Id,
                 operationType: OperationType.Create,
@@ -1303,7 +1304,7 @@ internal virtual Task<ResponseMessage> CreateDatabaseStreamAsync(
                         trace,
                         cancellationToken);
                 },
-                openTelemetry: (response) => new OpenTelemetryResponse(response));
+                openTelemetry: new (OpenTelemetryConstants.Operations.CreateDatabase, (response) => new OpenTelemetryResponse(response)));
         }
 
         private async Task<DatabaseResponse> CreateDatabaseInternalAsync(

Microsoft.Azure.Cosmos/src/Query/v3Query/QueryIterator.cs

@@ -19,6 +19,7 @@ namespace Microsoft.Azure.Cosmos.Query
     using Microsoft.Azure.Cosmos.Query.Core.Pipeline.Pagination;
     using Microsoft.Azure.Cosmos.Query.Core.QueryClient;
     using Microsoft.Azure.Cosmos.Query.Core.QueryPlan;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
 
     internal sealed class QueryIterator : FeedIteratorInternal
@@ -53,6 +54,8 @@ private QueryIterator(
             this.correlatedActivityId = correlatedActivityId;
 
             this.container = container;
+            this.operationName = OpenTelemetryConstants.Operations.QueryItems;
+            this.operationType = Documents.OperationType.Query;
         }
 
         public static QueryIterator Create(

Microsoft.Azure.Cosmos/src/ReadFeed/ReadFeedIteratorCore.cs

@@ -17,6 +17,7 @@ namespace Microsoft.Azure.Cosmos.ReadFeed
     using Microsoft.Azure.Cosmos.ReadFeed.Pagination;
     using Microsoft.Azure.Cosmos.Resource.CosmosExceptions;
     using Microsoft.Azure.Cosmos.Routing;
+    using Microsoft.Azure.Cosmos.Telemetry.OpenTelemetry;
     using Microsoft.Azure.Cosmos.Tracing;
     using Microsoft.Azure.Documents;
 
@@ -38,6 +39,7 @@ public ReadFeedIteratorCore(
             CancellationToken cancellationToken)
         {
             this.container = container;
+            this.operationName = OpenTelemetryConstants.Operations.ReadFeedRanges;
 
             this.queryRequestOptions = queryRequestOptions;
             readFeedPaginationOptions ??= ReadFeedExecutionOptions.Default;