Batch CRUD API

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

@@ -0,0 +1,125 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace Microsoft.Azure.Cosmos
+{
+    using System.IO;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Represents a batch of requests that will be performed atomically against the Azure Cosmos DB service.
+    /// </summary>
+#if PREVIEW
+    public
+#else
+    internal
+#endif
+    abstract class Batch
+    {
+        /// <summary>
+        /// Adds an operation to create an item into the batch.
+        /// </summary>
+        /// <param name="item">A JSON serializable object that must contain an id property.<see cref="CosmosSerializer"/> to implement a custom serializer.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        /// <typeparam name="T">The type of item to be created.</typeparam>
+        public abstract Batch CreateItem<T>(
+            T item,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to create an item into the batch.
+        /// </summary>
+        /// <param name="streamPayload">
+        /// A <see cref="Stream"/> containing the payload of the item.
+        /// The stream must have a UTF-8 encoded JSON object which contains an id property.
+        /// </param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public abstract Batch CreateItemStream(
+            Stream streamPayload,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to read an item into the batch.
+        /// </summary>
+        /// <param name="id">The cosmos item id.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public abstract Batch ReadItem(
+            string id,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to upsert an item into the batch.
+        /// </summary>
+        /// <param name="item">A JSON serializable object that must contain an id property. <see cref="CosmosSerializer"/> to implement a custom serializer.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        /// <typeparam name="T">The type of item to be created.</typeparam>
+        public abstract Batch UpsertItem<T>(
+            T item,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to upsert an item into the batch.
+        /// </summary>
+        /// <param name="streamPayload">
+        /// A <see cref="Stream"/> containing the payload of the item.
+        /// The stream must have a UTF-8 encoded JSON object which contains an id property.
+        /// </param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public abstract Batch UpsertItemStream(
+            Stream streamPayload,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to replace an item into the batch.
+        /// </summary>
+        /// <param name="id">The cosmos item id.</param>
+        /// <param name="item">A JSON serializable object that must contain an id property. <see cref="CosmosSerializer"/> to implement a custom serializer.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        /// <typeparam name="T">The type of item to be created.</typeparam>
+        public abstract Batch ReplaceItem<T>(
+            string id,
+            T item,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to replace an item into the batch.
+        /// </summary>
+        /// <param name="id">The cosmos item id.</param>
+        /// <param name="streamPayload">
+        /// A <see cref="Stream"/> containing the payload of the item.
+        /// The stream must have a UTF-8 encoded JSON object which contains an id property.
+        /// </param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public abstract Batch ReplaceItemStream(
+            string id,
+            Stream streamPayload,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Adds an operation to delete an item into the batch.
+        /// </summary>
+        /// <param name="id">The cosmos item id.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public abstract Batch DeleteItem(
+            string id,
+            BatchItemRequestOptions requestOptions = null);
+
+        /// <summary>
+        /// Executes the batch at the Azure Cosmos service as an asynchronous operation.
+        /// </summary>
+        /// <param name="cancellationToken">(Optional) <see cref="CancellationToken"/> representing request cancellation.</param>
+        /// <returns>An awaitable <see cref="BatchResponse"/> which contains the completion status and results of each operation.</returns>
+        public abstract Task<BatchResponse> ExecuteAsync(
+            CancellationToken cancellationToken = default(CancellationToken));
+    }
+}

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

@@ -0,0 +1,254 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace Microsoft.Azure.Cosmos
+{
+    using System;
+    using System.Collections.Generic;
+    using System.IO;
+    using System.Threading;
+    using System.Threading.Tasks;
+    using Microsoft.Azure.Documents;
+
+    internal class BatchCore : Batch
+    {
+        private readonly PartitionKey partitionKey;
+
+        private readonly ContainerCore container;
+
+        private List<ItemBatchOperation> operations;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BatchCore"/> class.
+        /// </summary>
+        /// <param name="container">Container that has items on which batch operations are to be performed.</param>
+        /// <param name="partitionKey">The partition key for all items in the batch. <see cref="PartitionKey"/>.</param>
+        internal BatchCore(
+            ContainerCore container, 
+            PartitionKey partitionKey)
+        {
+            this.container = container;
+            this.partitionKey = partitionKey;
+            this.operations = new List<ItemBatchOperation>();
+        }
+
+        public override Batch CreateItem<T>(
+            T item, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (item == null)
+            {
+                throw new ArgumentNullException(nameof(item));
+            }
+
+            this.operations.Add(new ItemBatchOperation<T>(
+                    operationType: OperationType.Create,
+                    operationIndex: this.operations.Count,
+                    resource: item,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch CreateItemStream(
+            Stream streamPayload, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (streamPayload == null)
+            {
+                throw new ArgumentNullException(nameof(streamPayload));
+            }
+
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Create,
+                    operationIndex: this.operations.Count,
+                    resourceStream: streamPayload,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch ReadItem(
+            string id, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException(nameof(id));
+            }
+
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Read,
+                    operationIndex: this.operations.Count,
+                    id: id,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch UpsertItem<T>(
+            T item, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (item == null)
+            {
+                throw new ArgumentNullException(nameof(item));
+            }
+
+            this.operations.Add(new ItemBatchOperation<T>(
+                    operationType: OperationType.Upsert,
+                    operationIndex: this.operations.Count,
+                    resource: item,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch UpsertItemStream(
+            Stream streamPayload, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (streamPayload == null)
+            {
+                throw new ArgumentNullException(nameof(streamPayload));
+            }
+
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Upsert,
+                    operationIndex: this.operations.Count,
+                    resourceStream: streamPayload,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch ReplaceItem<T>(
+            string id, 
+            T item, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException(nameof(id));
+            }
+
+            if (item == null)
+            {
+                throw new ArgumentNullException(nameof(item));
+            }
+
+            this.operations.Add(new ItemBatchOperation<T>(
+                    operationType: OperationType.Replace,
+                    operationIndex: this.operations.Count,
+                    id: id,
+                    resource: item,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch ReplaceItemStream(
+            string id, 
+            Stream streamPayload, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException(nameof(id));
+            }
+
+            if (streamPayload == null)
+            {
+                throw new ArgumentNullException(nameof(streamPayload));
+            }
+
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Replace,
+                    operationIndex: this.operations.Count,
+                    id: id,
+                    resourceStream: streamPayload,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Batch DeleteItem(
+            string id, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException(nameof(id));
+            }
+
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Delete,
+                    operationIndex: this.operations.Count,
+                    id: id,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        public override Task<BatchResponse> ExecuteAsync(
+            CancellationToken cancellationToken = default(CancellationToken))
+        {
+            return this.ExecuteAsync(
+                Constants.MaxDirectModeBatchRequestBodySizeInBytes,
+                Constants.MaxOperationsInDirectModeBatchRequest,
+                requestOptions: null,
+                cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// Executes the batch at the Azure Cosmos service as an asynchronous operation.
+        /// </summary>
+        /// <param name="requestOptions">Options that apply to the batch. Used only for EPK routing.</param>
+        /// <param name="cancellationToken">(Optional) <see cref="CancellationToken"/> representing request cancellation.</param>
+        /// <returns>An awaitable <see cref="BatchResponse"/> which contains the completion status and results of each operation.</returns>
+        public virtual Task<BatchResponse> ExecuteAsync(
+            RequestOptions requestOptions,
+            CancellationToken cancellationToken = default(CancellationToken))
+        {
+            return this.ExecuteAsync(
+                Constants.MaxDirectModeBatchRequestBodySizeInBytes,
+                Constants.MaxOperationsInDirectModeBatchRequest,
+                requestOptions,
+                cancellationToken);
+        }
+
+        /// <summary>
+        /// Adds an operation to patch an item into the batch.
+        /// </summary>
+        /// <param name="id">The cosmos item id.</param>
+        /// <param name="patchStream">A <see cref="Stream"/> containing the patch specification.</param>
+        /// <param name="requestOptions">(Optional) The options for the item request. <see cref="BatchItemRequestOptions"/>.</param>
+        /// <returns>The <see cref="Batch"/> instance with the operation added.</returns>
+        public virtual Batch PatchItemStream(
+            string id, 
+            Stream patchStream, 
+            BatchItemRequestOptions requestOptions = null)
+        {
+            this.operations.Add(new ItemBatchOperation(
+                    operationType: OperationType.Patch,
+                    operationIndex: this.operations.Count,
+                    id: id,
+                    resourceStream: patchStream,
+                    requestOptions: requestOptions));
+
+            return this;
+        }
+
+        internal Task<BatchResponse> ExecuteAsync(
+            int maxServerRequestBodyLength,
+            int maxServerRequestOperationCount,
+            RequestOptions requestOptions = null,
+            CancellationToken cancellationToken = default(CancellationToken))
+        {
+            BatchExecutor executor = new BatchExecutor(this.container, this.partitionKey, this.operations, requestOptions, maxServerRequestBodyLength, maxServerRequestOperationCount);
+            this.operations = new List<ItemBatchOperation>();
+            return executor.ExecuteAsync(cancellationToken);
+        }
+    }
+}