/*-----------------------------------------------------*/
public cDataProvider GetDataProvider(String aDataSourceKey)
{
if (mDataProvider == null)
{
mDataProvider = CreateDataProvider(aDataSourceKey);
}
return(mDataProvider);
}
/*====================================================*/
// public cDataProvider CreateDataProvider(String aDataSourceKey) {
// XmlNode aDataSourceNode,
// aClassNode;
// cDataProvider aDataProvider;
//
// aDataSourceNode = DataDefinitionDoc.DocElement.SelectSingleNode("DataSources/DataSource[@Key='" + aDataSourceKey +
// "' and ReleaseBuild[@BuildKey='" + Appl.BuildKey + "']]");
// aClassNode = aDataSourceNode.SelectSingleNode("Class");
//
// Object[] aArgs = {Appl};
// aDataProvider = (cDataProvider)cReflection.InstantiateObjectFromXMLClassNode(aClassNode, aArgs);
// aDataProvider.DataDefinitionDoc = DataDefinitionDoc;
// return aDataProvider;
// }
/*-----------------------------------------------------*/
/* extracts existing data provider from a hash table
* if data provider does not exists, creates a new one by calling SetDataProvider
*/
// public cDataProvider GetDataProvider(String aDataSourceKey) {
// cDataProvider aDataProvider;
//
// if (DataProviderTable[aDataSourceKey] == null){
// aDataProvider = CreateDataProvider(aDataSourceKey);
// DataProviderTable.Add(aDataSourceKey, aDataProvider);
// }
// else
// aDataProvider = (cDataProvider)DataProviderTable[aDataSourceKey];
//
// return aDataProvider;
// }
/*-----------------------------------------------------*/
/* close connections to the data source for all data providers
* in the Object Factory
*/
// public void DataSource_Close() {
//
// cDataProvider aDataProvider;
// foreach (Object aObj in DataProviderTable.Values) {
// aDataProvider = (cDataProvider)aObj;
// aDataProvider.DataSource_Close();
// }
//
// }
//
/*====================================================*/
public cDataProvider CreateDataProvider(String aDataSourceKey)
{
XmlNode aDataSourceNode,
aClassNode;
aDataSourceNode = DataDefinitionDoc.DocElement.SelectSingleNode("DataSources/DataSource[@Key='" + aDataSourceKey +
"' and ReleaseBuild[@BuildKey='" + Appl.BuildKey + "']]");
aClassNode = aDataSourceNode.SelectSingleNode("Class");
Object[] aArgs = { Appl };
mDataProvider = (cDataProvider)cReflection.InstantiateObjectFromXMLClassNode(aClassNode, aArgs);
mDataProvider.DataDefinitionDoc = DataDefinitionDoc;
XmlNode aArgumentNode;
aArgumentNode = aClassNode.SelectSingleNode("Arguments/Argument");
mDataProvider.CommandTimeout = cXMLDoc.AttributeToInt(aArgumentNode, "CommandTimeout", 0);
return(mDataProvider);
}