Documentation Coverage Report
Current view: top level - Azure/Cqrs.Azure.DocumentDb/Repositories - AzureRepository.cs Hit Total Coverage
Version: 2.2 Artefacts: 4 4 100.0 %
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;
      10             : using System.Linq;
      11             : using System.Linq.Expressions;
      12             : using Cqrs.Azure.DocumentDb.DataStores;
      13             : using Cqrs.Azure.DocumentDb.Entities;
      14             : using Cqrs.DataStores;
      15             : using Cqrs.Repositories;
      16             : using Cqrs.Repositories.Queries;
      17             : 
      18             : namespace Cqrs.Azure.DocumentDb.Repositories
      19             : {
      20             :         /// <summary>
      21             :         /// Provides basic repository methods for operations with an <see cref="IDataStore{TData}"/> using Azure DocumentDB (CosmosDB).
      22             :         /// </summary>
      23             :         /// <typeparam name="TQueryStrategy">The <see cref="Type"/> of <see cref="IQueryStrategy"/>.</typeparam>
      24             :         /// <typeparam name="TQueryBuilder">The <see cref="Type"/> of the <see cref="QueryBuilder{TQueryStrategy, TData}"/> that will be used to build queries.</typeparam>
      25             :         /// <typeparam name="TData">The <see cref="Type"/> of data held in storage.</typeparam>
      26             :         public abstract class AzureRepository<TQueryStrategy, TQueryBuilder, TData> : Repository<TQueryStrategy, TQueryBuilder, TData>
      27             :                 where TQueryStrategy : IQueryStrategy
      28             :                 where TQueryBuilder : QueryBuilder<TQueryStrategy, TData>
      29             :                 where TData : AzureDocumentDbEntity
      30           1 :         {
      31             :                 /// <summary>
      32             :                 /// Instantiates a new instance of <see cref="AzureRepository{TQueryStrategy,TQueryBuilder,TData}"/>
      33             :                 /// </summary>
      34           1 :                 protected AzureRepository(Func<IDataStore<TData>> createDataStoreFunction, TQueryBuilder queryBuilder)
      35             :                         :base(createDataStoreFunction, queryBuilder)
      36             :                 {
      37             :                 }
      38             : 
      39             :                 /// <summary>
      40             :                 /// Load the <typeparamref name="TData"/> from Azure DocumentDB (CosmosDB) identified by the provided <paramref name="rsn"/>.
      41             :                 /// </summary>
      42             :                 /// <param name="rsn">The identifier if the <typeparamref name="TData"/> to load.</param>
      43             :                 /// <param name="throwExceptionOnMissingEntity">If true will throw an <see cref="Exception"/> if no data is found in storage.</param>
      44           1 :                 public override TData Load(Guid rsn, bool throwExceptionOnMissingEntity = true)
      45             :                 {
      46             :                         using (var dataStore = CreateDataStoreFunction() as AzureDocumentDbDataStore<TData>)
      47             :                         {
      48             :                                 if (throwExceptionOnMissingEntity)
      49             :                                         return dataStore.Single(entity => entity.Rsn == rsn);
      50             :                                 return dataStore.SingleOrDefault(entity => entity.Rsn == rsn);
      51             :                         }
      52             :                 }
      53             : 
      54             :                 /// <summary>
      55             :                 /// Calls <see cref="Repository{TQueryStrategy,TQueryBuilder,TData}.CreateDataStoreFunction"/> passing the <paramref name="predicate"/>.
      56             :                 /// </summary>
      57             :                 /// <param name="predicate">A function defining a filter if required.</param>
      58           1 :                 protected override IQueryable<TData> CreateQueryable(Expression<Func<TData, bool>> predicate)
      59             :                 {
      60             :                         return CreateDataStoreFunction().AsQueryable().Where(predicate);
      61             :                 }
      62             : 
      63             :         }
      64             : }

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