Merge pull request #466 from rsafier/master

Extends support for output parameters with T4 template generated SPs

Author: mythz

src/ServiceStack.OrmLite/OrmLiteSPStatement.cs

@@ -10,6 +10,20 @@ public class OrmLiteSPStatement : IDisposable
         private readonly IDbCommand dbCmd;
         private readonly IOrmLiteDialectProvider dialectProvider;
 
+        public bool TryGetParameterValue(string parameterName, out object value)
+        {
+            try
+            {
+                value = ((IDataParameter)dbCmd.Parameters[parameterName]).Value;
+                return true;
+            }
+            catch(Exception)
+            {
+                value = null;
+                return false;
+            }
+        }
+
         public OrmLiteSPStatement(IDbCommand dbCmd)
             : this(null, dbCmd) {}
 

src/T4/OrmLite.Core.ttinclude

@@ -592,6 +592,21 @@ List<SP> SPsNotSupported(string providerName)
 	return new List<SP>();
 }
 
+string GetParamDirection(SPParamDir direction)
+{
+	switch(direction)
+	{
+		case SPParamDir.InAndOutDirection:
+			return "ParameterDirection.InputOutput";
+		case SPParamDir.OutDirection:
+			return "ParameterDirection.Output";
+		case SPParamDir.InDirection:
+        default:
+			return "ParameterDirection.Input";
+	}
+}
+ 
+
 List<SP> LoadSPs()
 {
 	InitConnectionString();

src/T4/OrmLite.SP.tt

@@ -38,13 +38,13 @@ namespace <#=SPNamespace#>
 		}
 
 <#foreach(var sp in sps){#>
-		public static OrmLiteSPStatement <#=sp.CleanName#>(this IDbConnection db<#foreach(var param in sp.Parameters){#>, <#=param.NullableSysType#> <#=Inflector.MakeInitialLowerCase(param.Name)#> = null<#}#>)
+		public static OrmLiteSPStatement <#=sp.CleanName#>(this IDbConnection db<#foreach(var param in sp.Parameters){#>, <#=param.NullableSysType#> @<#=Inflector.MakeInitialLowerCase(param.Name)#> = null<#}#>)
 		{
 			var dbCmd = (DbCommand)OrmLiteConfig.ExecFilter.CreateCommand(db).ToDbCommand();
 			dbCmd.CommandText = "<#=sp.Name#>";
 			dbCmd.CommandType = CommandType.StoredProcedure;
 <#if (sp.Parameters.Count > 0) { foreach(var param in sp.Parameters){#>
-			dbCmd.Parameters.Add(CreateNewParameter(dbCmd,"<#=param.Name#>",<#=Inflector.MakeInitialLowerCase(param.Name)#>,ParameterDirection.Input,<#=param.DbType#>));
+			dbCmd.Parameters.Add(CreateNewParameter(dbCmd,"<#=param.Name#>",@<#=Inflector.MakeInitialLowerCase(param.Name)#>,<#=GetParamDirection(param.Direction)#>,<#=param.DbType#>));
 <#}#> <#}#>
 			return new OrmLiteSPStatement(db, dbCmd);
 		}