public void AddAggregationEntries(IEnumerable <Field> fields, IEnumerable <Aggregation.Kinds> aggregationTypes)
{
List <FieldAggregationConfig> fieldAggregations = new List <FieldAggregationConfig>();
foreach (var field in fields)
{
FieldAggregationConfig aggrEntry = new FieldAggregationConfig(field, aggregationTypes);
fieldAggregations.Add(aggrEntry);
}
this.AddAggregationEntries(fieldAggregations);
}
// Initializes the object by specifying the aggregation types required.
public FieldAggregator(FieldAggregationConfig fieldAggrConfig)
{
this.fieldAggrConfig = fieldAggrConfig;
this.Clear();
// if the field type is a number it supports also the following types of aggregations
if (this.fieldAggrConfig.Field.FieldKind != Field.Kind.Property)
{
// setting up aggregator types as booleans to make code slightly more efficient
this.minimumEnabled = (Aggregation.Kinds.Minimum & this.fieldAggrConfig.AggregationTypesFlag) != 0;
this.maximumEnabled = (Aggregation.Kinds.Maximum & this.fieldAggrConfig.AggregationTypesFlag) != 0;
this.varianceEnabled = (Aggregation.Kinds.Variance & this.fieldAggrConfig.AggregationTypesFlag) != 0;
this.averageEnabled = this.varianceEnabled || (Aggregation.Kinds.Average & this.fieldAggrConfig.AggregationTypesFlag) != 0;
this.sumEnabled = this.averageEnabled || this.varianceEnabled || (Aggregation.Kinds.Sum & this.fieldAggrConfig.AggregationTypesFlag) != 0;
}
// and snapshot is is allowed to both types (metric, property)
this.snapshotEnabled = (Aggregation.Kinds.Snapshot & this.fieldAggrConfig.AggregationTypesFlag) != 0;
this.countEnabled = this.averageEnabled || this.varianceEnabled || (Aggregation.Kinds.Count & this.fieldAggrConfig.AggregationTypesFlag) != 0;
}
