...

1 files changed, 27 insertions, 0 deletions

diff --git a/BackEnd/Timeline/Services/EntityNotExistException.cs b/BackEnd/Timeline/Services/EntityNotExistException.cs
new file mode 100644
index 00000000..39a4f545
--- /dev/null
+++ b/BackEnd/Timeline/Services/EntityNotExistException.cs
@@ -0,0 +1,27 @@
+using System;

+

+namespace Timeline.Services

+{

+    /// <summary>

+    /// Thrown when you want to get an entity that does not exist.

+    /// </summary>

+    /// <example>

+    /// For example, you want to get a timeline with given name but it does not exist.

+    /// </example>

+    [Serializable]

+    public class EntityNotExistException : Exception

+    {

+        public EntityNotExistException() : this(null, null) { }

+        public EntityNotExistException(string? entityName) : this(entityName, null) { }

+        public EntityNotExistException(string? entityName, Exception? inner) : this(entityName, null, inner) { }

+        public EntityNotExistException(string? entityName, string? message, Exception? inner) : base(message ?? Resource.ExceptionEntityNotExist, inner)

+        {

+            EntityName = entityName;

+        }

+        protected EntityNotExistException(

+          System.Runtime.Serialization.SerializationInfo info,

+          System.Runtime.Serialization.StreamingContext context) : base(info, context) { }

+

+        public string? EntityName { get; }

+    }

+}