/// <summary>
/// load this properties from an xml string
/// </summary>
/// <param name="xml">xml string</param>
/// <returns>this properties (IsagCustomProperties)</returns>
public static IsagCustomProperties LoadFromXml(string xml)
{
XmlSerializer serializer = new XmlSerializer(typeof(IsagCustomProperties));
StringReader reader = new StringReader(xml);
IsagCustomProperties result = (IsagCustomProperties)serializer.Deserialize(reader);
return(result);
}
/// <summary>
/// loads the components custom properties
/// </summary>
private void LoadCustomProperties()
{
object configuration = _metadata.CustomPropertyCollection[Constants.PROP_CONFIG].Value;
_isagCustomProperties = IsagCustomProperties.Load(configuration);
if (_isagCustomProperties == null)
{
_isagCustomProperties = new IsagCustomProperties();
}
}
/// <summary>
/// Loads the custom properties
/// </summary>
private void InitializeProperties()
{
object configuration = this.ComponentMetaData.CustomPropertyCollection[Constants.PROP_CONFIG].Value;
if (configuration != null)
{
_isagCustomProperties = IsagCustomProperties.Load(configuration);
}
else
{
_isagCustomProperties = new IsagCustomProperties();
}
}
/// <summary>
/// Erzeugt eine Instanz der Klasse IsagCustomProperties, sofern der Parameter configuration (sollte ein XML-String sein)
/// dieses erlaubt.
/// Creates an instance of this class IsagCustomProperties from an xml string
/// </summary>
/// <param name="configuration">XML String als object</param>
/// <returns>this properties (IsagCustomProperties)</returns>
public static IsagCustomProperties Load(object configuration)
{
IsagCustomProperties customProperties = null;
if (configuration != null && configuration.ToString() != "")
{
customProperties = IsagCustomProperties.LoadFromXml(configuration.ToString());
}
if (customProperties.OutputColumnCount > 0)
{
Update(ref customProperties);
}
return(customProperties);
}
/// <summary>
/// Provides the component properties
/// </summary>
public override void ProvideComponentProperties()
{
base.ProvideComponentProperties();
_isagCustomProperties = new IsagCustomProperties();
//set metadata version to DLL version
ComponentMetaDataTools.UpdateVersion(this, ComponentMetaData);
//Clear out base implmentation
this.ComponentMetaData.RuntimeConnectionCollection.RemoveAll();
this.ComponentMetaData.InputCollection.RemoveAll();
this.ComponentMetaData.OutputCollection.RemoveAll();
this.RemoveAllInputsOutputsAndCustomProperties();
ComponentMetaData.UsesDispositions = false;
//Input
IDTSInput100 input = this.ComponentMetaData.InputCollection.New();
input.Name = Constants.INPUT_NAME;
input.ErrorRowDisposition = DTSRowDisposition.RD_NotUsed;
//Output
IDTSOutput100 output = this.ComponentMetaData.OutputCollection.New();
output.Name = Constants.OUTPUT_NAME;
output.SynchronousInputID = input.ID;
//Custom Property: Configuration
IDTSCustomProperty100 prop = ComponentMetaData.CustomPropertyCollection.New();
prop.Name = Constants.PROP_CONFIG;
prop.Value = _isagCustomProperties.SaveToXml();
//new connection manager
IDTSRuntimeConnection100 conn = this.ComponentMetaData.RuntimeConnectionCollection.New();
conn.Name = Constants.CONNECTION_MANAGER_NAME;
conn.Description = "Connection to SQL Server";
}
/// <summary>
/// Updates properties (called after instance of this class has been created)
/// </summary>
/// <param name="properties">the IsagCustomProperties</param>
private static void Update(ref IsagCustomProperties properties)
{
properties.LU_Matchparameter = properties.CompareIdColumn;
properties.LU2_Validparameter = properties.CompareFromToColumn;
string sql = properties.SqlStatement.Replace("\n", " ");
int pos = sql.ToUpper().IndexOf("SELECT");
sql = sql.Substring(pos + 6);
try
{
pos = sql.ToUpper().IndexOf("ORDER BY");
sql = sql.Substring(0, sql.Length - (sql.Length - pos));
}
catch (Exception)
{}
pos = sql.ToUpper().LastIndexOf("FROM");
properties.LU_Table = sql.Substring(pos + 5, sql.Length - pos - 5).Trim();
sql = sql.Substring(0, sql.Length - (sql.Length - pos));
string[] cols;
cols = sql.Split(",".ToCharArray());
for (int i = properties.OutputConfigList.Count - 1; i >= 0; i--)
{
if (string.IsNullOrEmpty(properties.OutputConfigList[i].DftColumn))
{
properties.OutputConfigList.RemoveAt(i);
}
}
foreach (string col in cols)
{
pos = col.ToUpper().IndexOf(" AS ");
string colName = col.Substring(0, pos).Trim();
string colAlias = col.Substring(pos + 4).Trim();
foreach (OutputConfig outConfig in properties.OutputConfigList)
{
if (outConfig.SqlColumn == colAlias)
{
outConfig.SqlColumn = colName;
}
}
switch (colAlias.ToUpper())
{
case "LU2_VALIDPARAMETER":
properties.LU_TableMatchColumn = colName;
break;
case "LU2_TABLEVALIDFROMCOLUMN":
properties.LU2_TableValidFromColumn = colName;
break;
case "LU2_TABLEVALIDTOCOLUMN":
properties.LU2_TableValidToColumn = colName;
break;
default:
break;
}
}
properties.SqlStatement = "";
properties.CompareIdColumn = "";
properties.CompareFromToColumn = "";
properties.OutputColumnCount = 0;
}
