public void ExecuteUpdateCommand(IDbTransaction p_transaction, object p_object)
{
TableInformation t_tableInformation = this.GetTableInformations(p_object.GetType());
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateUpdate(p_object);
IDbCommand t_cmd = p_transaction.Connection.CreateCommand();
foreach (FieldInformation t_currFieldinformation in t_tableInformation.Fields)
{
if (t_currFieldinformation.IsPrimaryKey)
{
continue;
}
IDbDataParameter t_param = t_cmd.CreateParameter();
t_param.ParameterName = t_sqlHelper.CreateParameterName(t_currFieldinformation.Name);
t_param.Value = p_object.GetType().GetProperty(t_currFieldinformation.PropertyName).GetValue(p_object, null);
t_cmd.Parameters.Add(t_param);
}
IDbDataParameter t_paramPK = t_cmd.CreateParameter();
t_paramPK.ParameterName = t_sqlHelper.CreateParameterName(t_tableInformation.PrimaryKey.Name);
t_paramPK.Value = p_object.GetType().GetProperty(t_tableInformation.PrimaryKey.PropertyName).GetValue(p_object, null);
t_cmd.Parameters.Add(t_paramPK);
t_cmd.CommandText = t_sql.ToString();
t_cmd.Transaction = p_transaction;
t_cmd.ExecuteNonQuery();
}
public T FindBySQL <T>(IDbTransaction p_transaction, string p_sqlWhere)
where T : new()
{
TableInformation t_tableInformation = this.GetTableInformations(typeof(T));
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateSelectByWhere(p_sqlWhere);
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
IDataReader t_reader = cmd.ExecuteReader();
T t_genericObject = default(T);
t_genericObject = new T();
if (t_reader.Read())
{
this.PopulateEntity(t_reader, t_tableInformation, t_genericObject);
}
t_reader.Close();
return(t_genericObject);
}
public List <T> ExecuteList <T>(IDbTransaction p_transaction, string p_sqlWhere)
where T : new()
{
TableInformation t_tableInformation = this.GetTableInformations(typeof(T));
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateSelectByWhere(p_sqlWhere);
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
IDataReader t_reader = cmd.ExecuteReader();
try
{
List <T> t_results = new List <T>();
while (t_reader.Read())
{
T t_genericObject = new T();
this.PopulateEntity(t_reader, t_tableInformation, t_genericObject);
t_results.Add(t_genericObject);
}
return(t_results);
}
finally
{
t_reader.Close();
}
}
public T FindByID <T>(IDbTransaction p_transaction, object p_objectPrimaryKey)
where T : new()
{
TableInformation t_tableInformation = this.GetTableInformations(typeof(T));
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateSelectByPrimaryKey();
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
IDbDataParameter t_param = cmd.CreateParameter();
t_param.ParameterName = t_sqlHelper.CreateParameterName(t_tableInformation.PrimaryKey.Name);
t_param.Value = p_objectPrimaryKey;
cmd.Parameters.Add(t_param);
IDataReader t_reader = cmd.ExecuteReader();
T t_genericObject = default(T);
t_genericObject = new T();
if (t_reader.Read())
{
this.PopulateEntity(t_reader, t_tableInformation, t_genericObject);
}
t_reader.Close();
return(t_genericObject);
}
public void ExecuteFindByID(IDbTransaction p_transaction, object p_object)
{
TableInformation t_tableInformation = this.GetTableInformations(p_object.GetType());
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateSelectByPrimaryKey();
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
IDbDataParameter t_param = cmd.CreateParameter();
t_param.ParameterName = t_sqlHelper.CreateParameterName(t_tableInformation.PrimaryKey.Name);
t_param.Value = p_object.GetType().GetProperty(t_tableInformation.PrimaryKey.PropertyName).GetValue(p_object, null);
cmd.Parameters.Add(t_param);
IDataReader t_reader = cmd.ExecuteReader();
if (t_reader.Read())
{
this.PopulateEntity(t_reader, t_tableInformation, p_object);
}
t_reader.Close();
}
private void PopulateEntity(IDataReader p_reader, TableInformation p_tableInformation, object p_objectToFill)
{
foreach (FieldInformation t_currFiledInformation in p_tableInformation.Fields)
{
if (p_reader[t_currFiledInformation.Name] != DBNull.Value)
{
p_objectToFill.GetType().
GetProperty(t_currFiledInformation.PropertyName).
SetValue(p_objectToFill, p_reader[t_currFiledInformation.Name], null);
}
}
}
// Ha senso?
public T FindBySQL <T>(IDbTransaction p_transaction, string p_sqlFrom, string p_sqlWhere)
where T : new()
{
TableInformation t_tableInformation = this.GetTableInformations(typeof(T));
StringBuilder t_sql = new StringBuilder();
t_sql.Append("SELECT ");
foreach (FieldInformation t_currFieldinformation in t_tableInformation.Fields)
{
t_sql.AppendFormat("{0}.{1} as {1},", t_tableInformation.Name, t_currFieldinformation.Name);
}
t_sql.Remove(t_sql.Length - 1, 1);
if (!String.IsNullOrEmpty(p_sqlFrom))
{
t_sql.AppendFormat(@" FROM {0} ", p_sqlFrom);
}
if (String.IsNullOrEmpty(p_sqlWhere))
{
t_sql.AppendFormat(@" WHERE {0}", p_sqlWhere);
}
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql.ToString();
IDataReader t_reader = cmd.ExecuteReader();
T t_genericObject = default(T);
if (t_reader.Read())
{
t_genericObject = new T();
foreach (FieldInformation t_currFieldinformation in t_tableInformation.Fields)
{
if (t_reader[t_currFieldinformation.Name] != DBNull.Value)
{
t_genericObject.GetType().
GetProperty(t_currFieldinformation.PropertyName).
SetValue(t_genericObject, t_reader[t_currFieldinformation.Name], null);
}
}
}
t_reader.Close();
return(t_genericObject);
}
private TableInformation GetTableInformations(Type p_targetType)
{
if (entityMappings.ContainsKey(p_targetType))
{
return(entityMappings[p_targetType]);
}
else
{
TableInformation t_tableInformation = MapEntity(p_targetType);
entityMappings.Add(p_targetType, t_tableInformation);
return(t_tableInformation);
}
}
public void ExecuteDeleteCommand <T>(IDbTransaction p_transaction, string p_sqlWhere)
where T : new()
{
TableInformation t_tableInformation = this.GetTableInformations(typeof(T));
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateDeleteByWhere(p_sqlWhere);
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
cmd.ExecuteNonQuery();
}
private TableInformation MapEntity(System.Type p_type)
{
TableInformation t_tableInformation = new TableInformation();
System.Attribute[] t_attributes = System.Attribute.GetCustomAttributes(p_type);
foreach (System.Attribute t_currAttribute in t_attributes)
{
if (t_currAttribute is TableAttribute)
{
TableAttribute t_tableAttribute = (TableAttribute)t_currAttribute;
t_tableInformation.Name = t_tableAttribute.TableName;
break;
}
}
List <FieldInformation> t_fields = new List <FieldInformation>();
foreach (System.Reflection.PropertyInfo t_currPropertyinfo in p_type.GetProperties())
{
System.Attribute[] t_attributeArray = System.Attribute.GetCustomAttributes(t_currPropertyinfo);
foreach (System.Attribute t_currAttribute in t_attributeArray)
{
if (t_currAttribute is FieldAttribute)
{
FieldAttribute t_fieldAttribute = (FieldAttribute)t_currAttribute;
FieldInformation t_fieldInformation = new FieldInformation();
t_fieldInformation.Name = t_fieldAttribute.FieldName;
t_fieldInformation.IsPrimaryKey = t_fieldAttribute.IsPrimaryKey;
t_fieldInformation.PropertyName = t_currPropertyinfo.Name;
if (t_fieldAttribute.IsPrimaryKey)
{
t_tableInformation.PrimaryKey = t_fieldInformation;
}
t_fields.Add(t_fieldInformation);
}
}
}
t_tableInformation.Fields = t_fields.ToArray();
return(t_tableInformation);
}
public void ExecuteDeleteCommand(IDbTransaction p_transaction, object p_object)
{
TableInformation t_tableInformation = this.GetTableInformations(p_object.GetType());
SqlCommandHelper t_sqlHelper = new SqlCommandHelper(this.m_providerConfiguration, t_tableInformation);
string t_sql = t_sqlHelper.CreateDeleteByPrimaryKey();
IDbCommand cmd = p_transaction.Connection.CreateCommand();
cmd.Transaction = p_transaction;
cmd.CommandText = t_sql;
IDbDataParameter t_param = cmd.CreateParameter();
t_param.ParameterName = t_sqlHelper.CreateParameterName(t_tableInformation.PrimaryKey.Name);
t_param.Value = p_object.GetType().GetProperty(t_tableInformation.PrimaryKey.PropertyName).GetValue(p_object, null);
cmd.Parameters.Add(t_param);
cmd.ExecuteNonQuery();
}
