/// <summary>
/// Get a <see cref="IDataQueryEngine"/> implementation based on the specified <paramref name="info"/>
/// </summary>
/// <param name="info">
/// The current data retrieval state
/// </param>
/// <returns>
/// a <see cref="IDataQueryEngine"/> implementation based on the specified <paramref name="info"/>
/// </returns>
public IDataQueryEngine GetQueryEngine(DataRetrievalInfo info)
{
ICollection<MappingEntity> crossSectionalMeasureMappings = info.BuildXSMeasures();
IDataQueryEngine queryEngine = null;
if (info.MeasureComponent == null)
{
queryEngine = SeriesDataQueryEngine.Instance;
}
else if (crossSectionalMeasureMappings.Count > 0)
{
queryEngine = SeriesDataQueryEngineXsMeasureBuffered.Instance;
}
return queryEngine;
}
/// <summary>
/// Get a <see cref="IDataQueryEngine"/> implementation based on the specified <paramref name="info"/>
/// </summary>
/// <param name="info">
/// The current data retrieval state
/// </param>
/// <returns>
/// a <see cref="IDataQueryEngine"/> implementation based on the specified <paramref name="info"/>
/// </returns>
public IDataQueryEngine GetQueryEngine(DataRetrievalInfo info)
{
ICollection<MappingEntity> crossSectionalMeasureMappings = info.BuildXSMeasures();
IDataQueryEngine queryEngine = null;
if (info.MeasureComponent == null)
{
if (info.MappingSet.Dataflow.Dsd.CrossSectionalMeasures.Count > 0)
{
queryEngine = CrossSectionalMeasuresDataQueryEngine.Instance;
}
else
{
queryEngine = CrossSectionalPrimaryDataQueryEngine.Instance;
}
}
else if (crossSectionalMeasureMappings.Count > 0)
{
queryEngine = CrossSectionalMeasuresMappedDataQueryEngine.Instance;
}
return queryEngine;
}
/// <summary>
/// This method executes an SQL query on the dissemination database and writes it to <see cref="DataRetrievalInfoSeries.SeriesWriter"/> . The SQL query is located inside <paramref name="info"/> at <see cref="DataRetrievalInfo.SqlString"/>
/// </summary>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="info"/>
/// is null
/// </exception>
/// <exception cref="DataRetrieverException">
/// <see cref="ErrorTypes"/>
/// </exception>
/// <param name="info">
/// The current DataRetrieval state
/// </param>
public void ExecuteSqlQuery(DataRetrievalInfo info)
{
info.BuildXSMeasures();
this.ExecuteDbCommand(info);
}
/// <summary>
/// This method executes an SQL query on the dissemination database and writes it to <see cref="DataRetrievalInfoXS.XSWriter"/> . The SQL query is located inside <paramref name="info"/> at <see cref="DataRetrievalInfo.SqlString"/>
/// </summary>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="info"/>
/// is null
/// </exception>
/// <exception cref="DataRetrieverException">
/// <see cref="ErrorTypes"/>
/// </exception>
/// <param name="info">
/// The current DataRetrieval state
/// </param>
public override void ExecuteSqlQuery(DataRetrievalInfo info)
{
info.BuildXSMeasures();
base.ExecuteSqlQuery(info);
}