Added AlgebraicExpression to Epic.Query.Relational as a base class.

.gitignore

@@ -27,6 +27,7 @@ Thumbs.db
 *.lib
 *.sbr
 *.sdf
+*_bkp
 ipch/
 obj/
 [Bb]in
@@ -45,3 +46,6 @@ _ReSharper*/
 #Subversion files
 .svn
 
+Documentation/Epic.API.shfbproj_*
+
+

3rdParties/NUnit/nunit-console-x86.exe.config

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+    <startup useLegacyV2RuntimeActivationPolicy="true">  
+        <supportedRuntime version="v4.0.30319"/>  
+    </startup>  
 
   <runtime>
     <!-- We need this so test exceptions don't crash NUnit -->

3rdParties/NUnit/nunit-console.exe.config

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+    <startup useLegacyV2RuntimeActivationPolicy="true">  
+        <supportedRuntime version="v4.0.30319"/>  
+    </startup>  
 
   <runtime>
     <!-- We need this so test exceptions don't crash NUnit -->

Challenges/Challenge00.DDDSample/All.nunit

@@ -1,8 +1,13 @@
 <NUnitProject>
   <Settings activeconfig="Debug" />
   <Config name="Debug" binpathtype="Auto">
+    <assembly path="../../build/tests/Debug/Challenge00.DDDSample.ACME.UnitTests.dll" />
     <assembly path="../../build/tests/Debug/Challenge00.DDDSample.Default.UnitTests.dll" />
     <assembly path="../../build/tests/Debug/Challenge00.DDDSample.UnitTests.dll" />
   </Config>
-  <Config name="Release" binpathtype="Auto" />
+  <Config name="Release" binpathtype="Auto" >
+    <assembly path="../../build/tests/Release/Challenge00.DDDSample.ACME.UnitTests.dll" />
+    <assembly path="../../build/tests/Release/Challenge00.DDDSample.Default.UnitTests.dll" />
+    <assembly path="../../build/tests/Release/Challenge00.DDDSample.UnitTests.dll" />
+  </Config>
 </NUnitProject>

Challenges/Challenge00.DDDSample/Challenge00.DDDSample.ACME/Challenge00.DDDSample.ACME.csproj

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -9,35 +9,40 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Challenge00.DDDSample.ACME</RootNamespace>
     <AssemblyName>Challenge00.DDDSample.ACME</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
+    <DebugSymbols>True</DebugSymbols>
     <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
+    <Optimize>False</Optimize>
     <OutputPath>..\..\..\build\bin\Debug</OutputPath>
     <DefineConstants>DEBUG</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
+    <ConsolePause>False</ConsolePause>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>none</DebugType>
-    <Optimize>false</Optimize>
+    <Optimize>False</Optimize>
     <OutputPath>..\..\..\build\bin\Release</OutputPath>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <ConsolePause>false</ConsolePause>
+    <ConsolePause>False</ConsolePause>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="Epic.Prelude">
+      <HintPath>..\..\..\build\bin\Debug\Epic.Prelude.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AssemblyInfo.cs" />
     <Compile Include="..\..\..\Code\EpicInfo.cs">
       <Link>EpicInfo.cs</Link>
     </Compile>
+    <Compile Include="Format.cs" />
+    <Compile Include="ItalianExceptionsFormatter.cs" />
     <Compile Include="IEmployee.cs" />
+    <Compile Include="EnglishExceptionsFormatter.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

Challenges/Challenge00.DDDSample/Challenge00.DDDSample.ACME/EnglishExceptionsFormatter.cs

@@ -0,0 +1,115 @@
+//
+//  EnglishExceptionsFormatter.cs
+//
+//  Author:
+//       Giacomo Tesio <giacomo@tesio.it>
+//
+//  Copyright (c) 2010-2012 Giacomo Tesio
+//
+//  This file is part of Epic.NET.
+//
+//  Epic.NET is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Affero General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Epic.NET is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Affero General Public License for more details.
+//
+//  You should have received a copy of the GNU Affero General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+using System;
+using Epic;
+
+namespace Challenge00.DDDSample.ACME
+{
+	public sealed class ReturnMessages : CompositeVisitor<string>.VisitorBase, IVisitor<string, Exception>
+	{
+		public ReturnMessages(CompositeVisitor<string> composition)
+			: base(composition)
+		{
+		}
+
+		public string Visit(Exception target, IVisitContext context)
+		{
+			return target.Message;
+		}
+	}
+
+	public sealed class ConstantMessage : CompositeVisitor<string>.VisitorBase, IVisitor<string, Exception>
+	{
+		private readonly string _msg;
+		public ConstantMessage(CompositeVisitor<string> composition, string message)
+			: base(composition)
+		{
+			_msg = message;
+		}
+
+		protected override IVisitor<string, TExpression> AsVisitor<TExpression> (TExpression target)
+		{
+			IVisitor<string, TExpression> visitor = base.AsVisitor (target);
+
+			if(null == visitor || typeof(TExpression).Assembly.Equals(typeof(Challenge00.DDDSample.Cargo.ICargo).Assembly))
+				return null;
+
+			return visitor;
+		}
+
+		public string Visit(Exception target, IVisitContext context)
+		{
+			return _msg;
+		}
+	}
+
+	public sealed class InnerDomainExceptionUnwrap : CompositeVisitor<string>.VisitorBase, IVisitor<string, Exception>
+	{
+		public InnerDomainExceptionUnwrap(CompositeVisitor<string> composition)
+			: base(composition)
+		{
+		}
+
+		protected override IVisitor<string, TExpression> AsVisitor<TExpression> (TExpression target)
+		{
+			IVisitor<string, TExpression> visitor = base.AsVisitor (target);
+
+			if(null == visitor || typeof(TExpression).Assembly.Equals(typeof(Challenge00.DDDSample.Cargo.ICargo).Assembly))
+				return null;
+
+			return visitor;
+		}
+
+		public string Visit(Exception target, IVisitContext context)
+		{
+			if(null == target.InnerException)
+			{
+				return ContinueVisit(target, context);
+			}
+			else
+			{
+				return VisitInner(target.InnerException, context);
+			}
+		}
+	}
+
+	public sealed class EnglishExceptionsFormatter : CompositeVisitorBase<string, Exception>
+	{
+		public EnglishExceptionsFormatter ()
+			: base("EnglishExceptionsMessages")
+		{
+			new ReturnMessages(this);
+			new ConstantMessage(this, "An unexpected error occurred. Please contact the administrator.");
+			new InnerDomainExceptionUnwrap(this);
+			new Format<Location.WrongLocationException>(this,
+			                                            e => e.Message.Substring(0, e.Message.LastIndexOf("\r\n")));
+		}
+
+		protected override IVisitContext InitializeVisitContext (Exception target, IVisitContext context)
+		{
+			return context;
+		}
+	}
+}
+

Challenges/Challenge00.DDDSample/Challenge00.DDDSample.ACME/Format.cs

@@ -0,0 +1,66 @@
+//
+//  Format.cs
+//
+//  Author:
+//       Giacomo Tesio <giacomo@tesio.it>
+//
+//  Copyright (c) 2010-2012 Giacomo Tesio
+//
+//  This file is part of Epic.NET.
+//
+//  Epic.NET is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Affero General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Epic.NET is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Affero General Public License for more details.
+//
+//  You should have received a copy of the GNU Affero General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+using System;
+using Epic;
+namespace Challenge00.DDDSample.ACME
+{
+	public sealed class Format<TException> : CompositeVisitor<string>.VisitorBase, IVisitor<string, TException>
+	    where TException : Exception
+	{
+	    private readonly Func<TException, string> _format;
+	    private readonly Func<TException, bool> _acceptanceRule;
+	    public Format(CompositeVisitor<string> composition, Func<TException, string> format)
+	        : this(composition, format, e => true)
+	    {
+	    }
+
+	    public Format(CompositeVisitor<string> composition, Func<TException, string> format, Func<TException, bool> acceptanceRule)
+	        : base(composition)
+	    {
+	        if (null == format)
+	            throw new ArgumentNullException("format");
+	        if (null == acceptanceRule)
+	            throw new ArgumentNullException("acceptanceRule");
+	        _format = format;
+	        _acceptanceRule = acceptanceRule;
+	    }
+
+	    protected override IVisitor<string, TExpression> AsVisitor<TExpression>(TExpression target)
+	    {
+	        IVisitor<string, TExpression> visitor = base.AsVisitor(target);
+
+	        if (null == visitor || !_acceptanceRule(target as TException))
+	            return null;
+
+	        return visitor;
+	    }
+
+	    #region IVisitor implementation
+	    public string Visit(TException target, IVisitContext context)
+	    {
+	        return _format(target);
+	    }
+	    #endregion
+	}
+}

Challenges/Challenge00.DDDSample/Challenge00.DDDSample.ACME/ItalianExceptionsFormatter.cs

@@ -0,0 +1,59 @@
+//
+//  ItalianExceptionsFormatter.cs
+//
+//  Author:
+//       Giacomo Tesio <giacomo@tesio.it>
+//
+//  Copyright (c) 2010-2012 Giacomo Tesio
+//
+//  This file is part of Epic.NET.
+//
+//  Epic.NET is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Affero General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Epic.NET is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Affero General Public License for more details.
+//
+//  You should have received a copy of the GNU Affero General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+using System;
+using Epic;
+
+namespace Challenge00.DDDSample.ACME
+{
+	public sealed class ItalianExceptionsFormatter : CompositeVisitorBase<string, Exception>
+	{
+        public ItalianExceptionsFormatter()
+            : base("ItalianExceptionsFormatter")
+		{
+			new ConstantMessage(this, "Si � verificato un errore imprevisto. Contattare l'amministratore del sistema.");
+			new InnerDomainExceptionUnwrap(this);
+			new Format<Location.WrongLocationException>(this,
+			                                            e => string.Format("Non � possibile effettuare l'operazione, perch� la localit� fornita ({0}) non coincide con quella prevista ({1}).", e.ActualLocation, e.ExpectedLocation));
+			new Format<Voyage.VoyageCompletedException>(this,
+			                                            e => string.Format("Il viaggio '{0}' ha gi� raggiunto la propria destinazione.", e.Voyage));
+			new Format<Cargo.AlreadyClaimedException>(this,
+                                                      e => string.Format("Non � possibile effettuare l'operazione perch� il cargo '{0}' � gi� stato ritirato.", e.Cargo));
+			new Format<Cargo.RoutingException>(this,
+                                               e => string.Format("Non � possibile effettuare l'operazione perch� il cargo '{0}' � stato diretto su un percorso sbagliato.", e.Cargo),
+			                                   e => e.RoutingStatus == Challenge00.DDDSample.Cargo.RoutingStatus.Misrouted);
+			new Format<Cargo.RoutingException>(this,
+                                               e => string.Format("Non � possibile effettuare l'operazione perch� non � ancora stato assegnato un percorso al cargo '{0}'.", e.Cargo),
+			                                   e => e.RoutingStatus == Challenge00.DDDSample.Cargo.RoutingStatus.NotRouted);
+			new Format<Cargo.RoutingException>(this,
+			                                   e => "Si � verificato un errore imprevisto. Contattare l'amministratore del sistema.",
+			                                   e => e.RoutingStatus == Challenge00.DDDSample.Cargo.RoutingStatus.Routed);
+		}
+
+		protected override IVisitContext InitializeVisitContext (Exception target, IVisitContext context)
+		{
+			return context;
+		}
+	}
+}
+