private void Import(Type typeMapping,
Action<ExecuteEventArgs> executing,
Action<ExecuteEventArgs> onStart,
Action<ExecuteEventArgs> onEnd,
string tag,
Where where,
IEnumerable<XElement> q)
{
#region init
Connection connection = null;
Unimake.ETL.Destination.ObjectDestination destination = null;
foreach(var el in q)
{
if(Ignore(el)) continue;
try
{
connection = DbContext.CreateConnection();
#region init
IParentModel model = null;
string TDestination = GetAttribute(el, "type");
#endregion
#region source
string query = el.Element("Query").Value.ToString();
//aqui iremos assumir que sempre terá o [[where]] se não tiver, sem problemas
string w = "";
string v = "";
if(where != null)
{
w = where.ToString();
//também temos o @value, que sempre será informado, logo, temos que substituir o @value, por algum valor.
//este vem informado no parameters do Where
if(where.Parameters.Contains("@value"))
v = Unimake.Convert.ToString(where.Parameters["@value"].Value);
}
query = query.Replace("[[where]]", w);
query = query.Replace("@value", v);
Source = new Unimake.ETL.Source.SqlSource(Connection);
((Unimake.ETL.Source.SqlSource)Source).FromQuery(query);
#endregion
#region destination
if(String.IsNullOrEmpty(TDestination))
throw new ArgumentNullException("type", "O atributo \"type\" é requerido para o tipo \"" + el.Name + "\" dentro do XML.");
destination = new Unimake.ETL.Destination.ObjectDestination();
destination.SetObjectResult(Activator.CreateInstance(Unimake.Convert.ToType(TDestination)));
#endregion
#region transform
Transform = new Unimake.ETL.Transform.Transform(Source, destination);
var mappings = el.Elements("MappingKey");
MappingKeys = (from x in mappings.Elements()
select ToMappingKey(x))
.ToList();
foreach(MappingKey item in MappingKeys)
{
Transform.Map(item.From, item.To, item.ToFunc());
}
#endregion
#region execute
destination.ProcessWithAction((s, r) =>
{
model = s as IParentModel;
//-------------------------------------------------------------------------
// Pesquisar e validar se existe
//-------------------------------------------------------------------------
string table = model.GetTableName();
string sql = String.Format("SELECT GUID FROM {0} WHERE EGUID = @p1", table);
IList<Parameter> parameters = new List<Parameter>();
parameters.Add(new Parameter
{
ParameterName = "@p1",
Value = model.EGUID
});
if(Settings.Tables[table].Fields.Contains("Excluido"))
{
sql += String.Format(" AND Excluido = @p2", table);
parameters.Add(new Parameter
{
ParameterName = "@p2",
Value = Excluido.Nao
});
}
DataReader dr = DbContext.ExecuteReader(sql, parameters);
model.New = !dr.HasRows;
if(dr.Read())
model.GUID = dr.GetString("GUID");
model.Save();
executing(new ExecuteEventArgs
{
Message = String.Format("O objeto identificado como {0} de código {1} foi salvo na base de dados.", model.GUID, model.EGUID),
});
Thread.Sleep(0);
});
Transform.OnRowError((row, op, ex) =>
{
executing(new ExecuteEventArgs
{
Success = false,
Exception = ex,
CurrentObject = model
});
});
Transform.OnStart((t) =>
{
onStart(new ExecuteEventArgs
{
Message = String.Format("Iniciando a carga do tipo {0}", TDestination)
});
});
Transform.OnComplete((t) =>
{
onEnd(new ExecuteEventArgs
{
Message = String.Format("Concluído a carga do tipo {0}", TDestination)
});
});
Destination = destination;
Transform.Execute();
#endregion
}
catch(Exception ex)
{
executing(new ExecuteEventArgs
{
CurrentObject = destination.ObjectResult as IParentModel,
Exception = ex,
Message = ex.Message,
Success = false
});
}
finally
{
Connection.Dispose();
if(connection != null)
{
connection.Dispose();
}
}
}
}
private void Export(Type typeMapping,
Action<ExecuteEventArgs> executing,
Action<ExecuteEventArgs> onStart,
Action<ExecuteEventArgs> onEnd,
string tag,
Where where,
IEnumerable<XElement> q)
{
foreach(var el in q)
{
if(Ignore(el)) continue;
try
{
#region init
IParentModel model = null;
string methodName = GetAttribute(el, "Method");
//Aqui, se o método for o padrão, iremos passar o caminho do namespace completo,
//pois devemos usar o GenerateXML deste ETL.
if(methodName.Equals("GenerateXML", StringComparison.InvariantCultureIgnoreCase))
{
methodName = "Unimake.ETL.IGenerateFile.GenerateXML";
}
string fileNameTemplate = GetAttribute(el, "FileName");
#endregion
#region source
Source = new Unimake.ETL.Source.ObjectSource();
#endregion
#region destination
string TDestination = el.Name.LocalName;
Unimake.ETL.Destination.CustomDestination destination = new Unimake.ETL.Destination.CustomDestination();
#endregion
#region transform
Transform = new Unimake.ETL.Transform.Transform(Source, destination);
var mappings = el.Elements("MappingKey");
MappingKeys = (from x in mappings.Elements()
select ToMappingKey(x))
.ToList();
foreach(MappingKey item in MappingKeys)
{
//-------------------------------------------------------------------------
// Neste caso, como é de objeto, o from sempre será value
//-------------------------------------------------------------------------
item.From = "value";
Transform.Map(item.From, item.To);
item.Where = where;
((Unimake.ETL.Source.ObjectSource)Source).WithRowAction(ToIEnumerable(item.ToIEnumerableFunc()));
}
#endregion
#region execute
destination.ProcessWithAction((r) =>
{
model = r["valueRows"] as IParentModel;
string fileName = fileNameTemplate;
if(fileName.IsNullOrEmpty())
{
//não encontrou a propriedade "FileName", então vamos ver se existe o método "GetFileName"
var m = el.Elements("GetFileName");
if(m == null)
throw new NotImplementedException("Filename property or GetFileName method was not defined.");
fileName = GetFileName(m.First().Value, model);
}
else
fileName = fileName.Replace("{GUID}", Guid.NewGuid().ToString());
MethodInfo mi = model.GetType().GetMethods(BindingFlags.Instance |
BindingFlags.IgnoreCase |
BindingFlags.NonPublic |
BindingFlags.Public)
.FirstOrDefault(w => w.Name == methodName);
if(mi == null)
executing(new ExecuteEventArgs
{
Message = String.Format("O objeto identificado como {0} de código {1} não possui o método {2}.", model.GUID, model.EGUID, methodName),
});
else
{
//-------------------------------------------------------------------------
// Aqui vamos assumir que os métodos retornam sempre um XML
// com o tempo vamos melhorar este processo
//-------------------------------------------------------------------------
XmlDocument doc = mi.Invoke(model, null) as XmlDocument;
fileName = String.Format(fileName, 1, DateTime.Now);
doc.Save(fileName);
executing(new ExecuteEventArgs
{
Message = String.Format("O objeto identificado como {0} de código {1} exportado para o arquivo {2}.", model.GUID, model.EGUID, fileName),
});
}
Thread.Sleep(0);
});
Transform.OnRowError((row, op, ex) =>
{
executing(new ExecuteEventArgs
{
Success = false,
Exception = ex,
CurrentObject = model
});
});
Transform.OnStart((t) =>
{
onStart(new ExecuteEventArgs
{
Message = String.Format("Iniciando a carga do tipo {0}", TDestination)
});
});
Transform.OnComplete((t) =>
{
onEnd(new ExecuteEventArgs
{
Message = String.Format("Concluído a carga do tipo {0}", TDestination)
});
});
Destination = destination;
Transform.Execute();
#endregion
}
catch(Exception ex)
{
executing(new ExecuteEventArgs
{
Exception = ex,
Message = ex.Message,
Success = false
});
}
finally
{
Connection.Dispose();
}
}
}
