Documentation Coverage Report
Current view: top level - Azure/Cqrs.Azure.DocumentDb/DataStores - AzureDocumentDbDataStoreExtensions.cs Hit Total Coverage
Version: 2.2 Artefacts: 9 9 100.0 %
Date: 2017-09-22

          Line data    Source code
       1             : #region Copyright
       2             : // // -----------------------------------------------------------------------
       3             : // // <copyright company="Chinchilla Software Limited">
       4             : // //   Copyright Chinchilla Software Limited. All rights reserved.
       5             : // // </copyright>
       6             : // // -----------------------------------------------------------------------
       7             : #endregion
       8             : 
       9             : using System.Collections.Generic;
      10             : using Cqrs.Azure.DocumentDb.DataStores;
      11             : using Cqrs.Azure.DocumentDb.Entities;
      12             : 
      13             : namespace System.Linq
      14             : {
      15             :         /// <summary>
      16             :         /// Provides a set of static (Shared in Visual Basic) methods for querying objects that inherit <see cref="AzureDocumentDbDataStore{TData}"/>.
      17             :         /// </summary>
      18             :         public static class AzureDocumentDbDataStoreExtensions
      19           1 :         {
      20             :                 /// <summary>
      21             :                 /// Returns the only element of the sequence, and throws an exception if there is not exactly one element in the sequence.
      22             :                 /// </summary>
      23             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      24             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      25             :                 /// <returns>The single element of the sequence.</returns>
      26             :                 /// <exception cref="InvalidOperationException">The sequence contains more than one element, or the sequence is empty.</exception>
      27           1 :                 public static TData Single<TData>(this AzureDocumentDbDataStore<TData> source)
      28             :                         where TData : AzureDocumentDbEntity
      29             :                 {
      30             :                         return source.AsEnumerable().ToList().Single();
      31             :                 }
      32             : 
      33             :                 /// <summary>
      34             :                 /// Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.
      35             :                 /// </summary>
      36             :                 /// <param name="predicate">A function to test an element for a condition.</param>
      37             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      38             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      39             :                 /// <returns>The single element of the sequence.</returns>
      40             :                 /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is null.</exception>
      41             :                 /// <exception cref="InvalidOperationException">The sequence is empty.</exception>
      42           1 :                 public static TData Single<TData>(this AzureDocumentDbDataStore<TData> source, Func<TData, bool> predicate)
      43             :                         where TData : AzureDocumentDbEntity
      44             :                 {
      45             :                         IList<TData> result = source.Where(predicate).AsEnumerable().ToList();
      46             :                         return result.Single();
      47             :                 }
      48             : 
      49             :                 /// <summary>
      50             :                 /// Returns the only element of the sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.
      51             :                 /// </summary>
      52             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      53             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      54             :                 /// <returns>The single element of the sequence.</returns>
      55           1 :                 public static TData SingleOrDefault<TData>(this AzureDocumentDbDataStore<TData> source)
      56             :                         where TData : AzureDocumentDbEntity
      57             :                 {
      58             :                         return source.AsEnumerable().ToList().SingleOrDefault();
      59             :                 }
      60             : 
      61             :                 /// <summary>
      62             :                 /// Returns the only element of the sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
      63             :                 /// </summary>
      64             :                 /// <param name="predicate">A function to test an element for a condition.</param>
      65             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      66             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      67             :                 /// <returns>The single element of the sequence.</returns>
      68             :                 /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is null.</exception>
      69           1 :                 public static TData SingleOrDefault<TData>(this AzureDocumentDbDataStore<TData> source, Func<TData, bool> predicate)
      70             :                         where TData : AzureDocumentDbEntity
      71             :                 {
      72             :                         IList<TData> result = source.Where(predicate).AsEnumerable().ToList();
      73             :                         return result.SingleOrDefault();
      74             :                 }
      75             : 
      76             :                 /// <summary>
      77             :                 /// Returns the first element of the sequence.
      78             :                 /// </summary>
      79             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      80             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      81             :                 /// <returns>The first element of the sequence.</returns>
      82             :                 /// <exception cref="InvalidOperationException">The sequence contains more than one element, or the sequence is empty.</exception>
      83           1 :                 public static TData First<TData>(this AzureDocumentDbDataStore<TData> source)
      84             :                         where TData : AzureDocumentDbEntity
      85             :                 {
      86             :                         return source.AsEnumerable().ToList().First();
      87             :                 }
      88             : 
      89             :                 /// <summary>
      90             :                 /// Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.
      91             :                 /// </summary>
      92             :                 /// <param name="predicate">A function to test an element for a condition.</param>
      93             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
      94             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
      95             :                 /// <returns>The first element of the sequence.</returns>
      96             :                 /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is null.</exception>
      97             :                 /// <exception cref="InvalidOperationException">The sequence is empty.</exception>
      98           1 :                 public static TData First<TData>(this AzureDocumentDbDataStore<TData> source, Func<TData, bool> predicate)
      99             :                         where TData : AzureDocumentDbEntity
     100             :                 {
     101             :                         IList<TData> result = source.Where(predicate).AsEnumerable().ToList();
     102             :                         return result.First();
     103             :                 }
     104             : 
     105             :                 /// <summary>
     106             :                 /// Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
     107             :                 /// </summary>
     108             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
     109             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
     110             :                 /// <returns>The first element of the sequence.</returns>
     111           1 :                 public static TData FirstOrDefault<TData>(this AzureDocumentDbDataStore<TData> source)
     112             :                         where TData : AzureDocumentDbEntity
     113             :                 {
     114             :                         return source.AsEnumerable().ToList().FirstOrDefault();
     115             :                 }
     116             : 
     117             :                 /// <summary>
     118             :                 /// Returns the first element of a sequence, or a default value if the sequence contains no elements.
     119             :                 /// </summary>
     120             :                 /// <param name="predicate">A function to test an element for a condition.</param>
     121             :                 /// <param name="source">The sequence to type as <see cref="IEnumerable{T}"/>.</param>
     122             :                 /// <typeparam name="TData">The type of the elements of source.</typeparam>
     123             :                 /// <returns>The first element of the sequence.</returns>
     124             :                 /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is null.</exception>
     125           1 :                 public static TData FirstOrDefault<TData>(this AzureDocumentDbDataStore<TData> source, Func<TData, bool> predicate)
     126             :                         where TData : AzureDocumentDbEntity
     127             :                 {
     128             :                         IList<TData> result = source.Where(predicate).AsEnumerable().ToList();
     129             :                         return result.FirstOrDefault();
     130             :                 }
     131             :         }
     132             : }

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