private void AddCommandInitStatements(IList statements, CodeExpression commandExpression, DbSourceCommand command, DbProviderFactory currentFactory, bool isFunctionsDataComponent)
{
if (((statements == null) || (commandExpression == null)) || (command == null))
{
throw new InternalException("Argument should not be null.");
}
Type parameterType = currentFactory.CreateParameter().GetType();
Type type = currentFactory.CreateCommand().GetType();
CodeExpression parameterVariable = null;
statements.Add(CodeGenHelper.Assign(commandExpression, CodeGenHelper.New(CodeGenHelper.GlobalType(type), new CodeExpression[0])));
if (isFunctionsDataComponent)
{
commandExpression = CodeGenHelper.Cast(CodeGenHelper.GlobalType(type), commandExpression);
}
if ((((DbSource)command.Parent).Connection == null) || ((this.designTable.Connection != null) && (this.designTable.Connection == ((DbSource)command.Parent).Connection)))
{
statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(commandExpression, "Connection"), CodeGenHelper.Property(CodeGenHelper.This(), DataComponentNameHandler.DefaultConnectionPropertyName)));
}
else
{
Type type3 = currentFactory.CreateConnection().GetType();
IDesignConnection connection = ((DbSource)command.Parent).Connection;
CodeExpression propertyReference = null;
if (connection.PropertyReference == null)
{
propertyReference = CodeGenHelper.Str(connection.ConnectionStringObject.ToFullString());
}
else
{
propertyReference = connection.PropertyReference;
}
statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(commandExpression, "Connection"), CodeGenHelper.New(CodeGenHelper.GlobalType(type3), new CodeExpression[] { propertyReference })));
}
statements.Add(QueryGeneratorBase.SetCommandTextStatement(commandExpression, command.CommandText));
statements.Add(QueryGeneratorBase.SetCommandTypeStatement(commandExpression, command.CommandType));
if (command.Parameters != null)
{
foreach (DesignParameter parameter in command.Parameters)
{
parameterVariable = QueryGeneratorBase.AddNewParameterStatements(parameter, parameterType, currentFactory, statements, parameterVariable);
statements.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Property(commandExpression, "Parameters"), "Add", new CodeExpression[] { parameterVariable })));
}
}
}