Merge pull request #28 from johelvisguzman/feature/issue27

Closes #27

Author: johelvisguzman

src/DotNetToolkit.Repository/IRepository.cs

@@ -8,7 +8,7 @@
     /// </summary>
     /// <typeparam name="TEntity">The type of the entity.</typeparam>
     /// <typeparam name="TKey">The type of the primary key.</typeparam>
-    public interface IRepository<TEntity, in TKey> : ICanAggregate<TEntity>, ICanAdd<TEntity>, ICanUpdate<TEntity>, ICanDelete<TEntity, TKey>, ICanGet<TEntity, TKey>, ICanFind<TEntity>, IDisposable
+    public interface IRepository<TEntity, in TKey> : IRepositoryQueryable<TEntity>, ICanAggregate<TEntity>, ICanAdd<TEntity>, ICanUpdate<TEntity>, ICanDelete<TEntity, TKey>, ICanGet<TEntity, TKey>, ICanFind<TEntity>, IDisposable
         where TEntity : class
     {
     }

src/DotNetToolkit.Repository/IRepositoryQueryable.cs

@@ -0,0 +1,16 @@
+namespace DotNetToolkit.Repository
+{
+    using System.Linq;
+
+    /// <summary>
+    /// Represents a repository that exposes a <see cref="System.Linq.IQueryable{TEntity}" />.
+    /// </summary>
+    /// <typeparam name="TEntity">The type of the entity.</typeparam>
+    public interface IRepositoryQueryable<out TEntity> where TEntity : class
+    {
+        /// <summary>
+        /// Returns the entity <see cref="System.Linq.IQueryable{TEntity}" />.
+        /// </summary>
+        IQueryable<TEntity> AsQueryable();
+    }
+}

src/DotNetToolkit.Repository/RepositoryBase.cs

@@ -53,14 +53,6 @@ public abstract class RepositoryBase<TEntity, TKey> : IRepository<TEntity, TKey>
         /// </summary>
         protected abstract IQueryable<TEntity> GetQuery(IFetchStrategy<TEntity> fetchStrategy = null);
 
-        /// <summary>
-        /// Returns the entity <see cref="System.Linq.IQueryable{TEntity}" />.
-        /// </summary>
-        protected virtual IQueryable<TEntity> AsQueryable()
-        {
-            return GetQuery();
-        }
-
         /// <summary>
         /// Gets an entity query that satisfies the criteria specified by the <paramref name="criteria" /> from the repository.
         /// </summary>
@@ -276,6 +268,18 @@ protected void ThrowIfEntityKeyValueTypeMismatch()
 
         #endregion
 
+        #region Implementation of IRepositoryQueryable<out TEntity>
+
+        /// <summary>
+        /// Returns the entity <see cref="System.Linq.IQueryable{TEntity}" />.
+        /// </summary>
+        public virtual IQueryable<TEntity> AsQueryable()
+        {
+            return GetQuery();
+        }
+
+        #endregion
+
         #region Implementation of ICanAggregate<TEntity>
 
         /// <summary>