public void produces_the_view_type()
{
var aggregator = new Aggregator <QuestParty>();
var projection = new AggregationProjection <QuestParty>(null, aggregator);
projection.Produces.ShouldBe(typeof(QuestParty));
}
private IComparable GetAggregationValue(IStreamDataReader streamDataReader, AggregationProjection aggregationProjection)
{
object result = streamDataReader.GetValue(aggregationProjection.GetIndex());
ShardingAssert.Else(null == result || result is IComparable, "Aggregation value must implements Comparable");
return((IComparable)result);
}
public void consumes_delegates_to_internal_aggregation()
{
var aggregator = new Aggregator <QuestParty>();
var projection = new AggregationProjection <QuestParty>(null, aggregator);
projection.Consumes.ShouldHaveTheSameElementsAs(aggregator.EventTypes);
}
public void produces_the_view_type()
{
var aggregator = new Aggregator<QuestParty>();
var projection = new AggregationProjection<QuestParty>(null, aggregator);
projection.Produces.ShouldBe(typeof(QuestParty));
}
public void consumes_delegates_to_internal_aggregation()
{
var aggregator = new Aggregator<QuestParty>();
var projection = new AggregationProjection<QuestParty>(null, aggregator);
projection.Consumes.ShouldHaveTheSameElementsAs(aggregator.EventTypes);
}
public Aggregator <T> AggregateStreamsInlineWith <T>() where T : class, new()
{
var aggregator = AggregateFor <T>();
var finder = new AggregateFinder <T>();
var projection = new AggregationProjection <T>(finder, aggregator);
Inlines.Add(projection);
return(aggregator);
}
private AggregationProjection CreateProjection(string sql, AggregationProjectionSegment projectionSegment)
{
var innerExpression = sql.SubStringWithEndIndex(projectionSegment.GetInnerExpressionStartIndex(), projectionSegment.GetStopIndex() + 1);
AggregationProjection result = new AggregationProjection(projectionSegment.GetAggregationType(), innerExpression, projectionSegment.GetAlias());
if (AggregationTypeEnum.AVG == result.GetAggregationType())
{
AppendAverageDerivedProjection(result);
// TODO replace avg to constant, avoid calculate useless avg
}
return(result);
}
private void AppendAverageDerivedProjection(AggregationProjection averageProjection)
{
String innerExpression = averageProjection.GetInnerExpression();
String countAlias = DerivedColumn.Get(DerivedColumnEnum.AVG_COUNT_ALIAS).GetDerivedColumnAlias(aggregationAverageDerivedColumnCount);
AggregationProjection countProjection = new AggregationProjection(AggregationTypeEnum.COUNT, innerExpression, countAlias);
String sumAlias = DerivedColumn.Get(DerivedColumnEnum.AVG_SUM_ALIAS).GetDerivedColumnAlias(aggregationAverageDerivedColumnCount);
AggregationProjection sumProjection = new AggregationProjection(AggregationTypeEnum.SUM, innerExpression, sumAlias);
averageProjection.GetDerivedAggregationProjections().Add(countProjection);
averageProjection.GetDerivedAggregationProjections().Add(sumProjection);
aggregationAverageDerivedColumnCount++;
}
