added overloads for delete

MongoDbGenericRepository/DataAccess/Delete/IMongoDbEraser.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
+using System.Threading;
 using System.Threading.Tasks;
 using MongoDbGenericRepository.DataAccess.Base;
 using MongoDbGenericRepository.Models;
@@ -41,8 +42,9 @@ namespace MongoDbGenericRepository.DataAccess.Delete
         /// <typeparam name="TDocument">The type representing a Document.</typeparam>
         /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
         /// <param name="document">The document you want to delete.</param>
+        /// <param name="cancellationToken">The cancellation token</param>
         /// <returns>The number of documents deleted.</returns>
-        Task<long> DeleteOneAsync<TDocument, TKey>(TDocument document)
+        Task<long> DeleteOneAsync<TDocument, TKey>(TDocument document, CancellationToken cancellationToken)
             where TDocument : IDocument<TKey>
             where TKey : IEquatable<TKey>;
 
@@ -53,8 +55,9 @@ namespace MongoDbGenericRepository.DataAccess.Delete
         /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
         /// <param name="filter">A LINQ expression filter.</param>
         /// <param name="partitionKey">An optional partition key.</param>
+        /// <param name="cancellationToken">The cancellation token</param>
         /// <returns>The number of documents deleted.</returns>
-        Task<long> DeleteOneAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
+        Task<long> DeleteOneAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey, CancellationToken cancellationToken)
             where TDocument : IDocument<TKey>
             where TKey : IEquatable<TKey>;
 
@@ -65,8 +68,9 @@ namespace MongoDbGenericRepository.DataAccess.Delete
         /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
         /// <param name="filter">A LINQ expression filter.</param>
         /// <param name="partitionKey">An optional partition key.</param>
+        /// <param name="cancellationToken">The cancellation token</param>
         /// <returns>The number of documents deleted.</returns>
-        Task<long> DeleteManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey = null)
+        Task<long> DeleteManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, string partitionKey, CancellationToken cancellationToken)
             where TDocument : IDocument<TKey>
             where TKey : IEquatable<TKey>;
 
@@ -76,8 +80,9 @@ namespace MongoDbGenericRepository.DataAccess.Delete
         /// <typeparam name="TDocument">The type representing a Document.</typeparam>
         /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
         /// <param name="documents">The list of documents to delete.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>The number of documents deleted.</returns>
-        Task<long> DeleteManyAsync<TDocument, TKey>(IEnumerable<TDocument> documents)
+        Task<long> DeleteManyAsync<TDocument, TKey>(IEnumerable<TDocument> documents, CancellationToken cancellationToken)
             where TDocument : IDocument<TKey>
             where TKey : IEquatable<TKey>;