private GroupRuleSetBuilder(RuleEngineContext.RuleEngineContext context)
{
_ruleparser = RuleExpressionParserFactory.CreateStringRuleParser <TEntity>();
_propertyparser = RuleExpressionParserFactory.CreateStringPropertyRuleParser <TEntity>();
_groupKeyExpressionParser = RuleExpressionParserFactory.CreateGroupKeyParser <TEntity>();
this._context = context;
}
private RulesetBuilder(RuleEngineContext.RuleEngineContext context)
{
_context = context;
_ruleparser = RuleExpressionParserFactory.CreateStringRuleParser <TEntity>();
_propertyparser = RuleExpressionParserFactory
.CreateStringPropertyRuleParser <TEntity>();
}
public GroupRuleSetBuilder <TEntity, TKey> WithAggregateInfo <TType>(string propertyName, AggregateFunction function, string agrregateOn)
{
AggregatePropertyMetadata <TEntity> aggregatePropertyMetadata = null;
if (function == AggregateFunction.Count)
{
var parser = RuleExpressionParserFactory.CreateAggregateFunctionParser <TEntity, bool>();
aggregatePropertyMetadata = new CountAggregatePropertyMetadataType <TEntity>(_context, propertyName, typeof(TType), agrregateOn, parser);
}
else
{
var parser = RuleExpressionParserFactory.CreateAggregateFunctionParser <TEntity, TType>();
aggregatePropertyMetadata = new AggregatePropertyMetadataType <TEntity, TType>
(_context, propertyName, function, agrregateOn, parser);
}
_aggregateProps.Add(aggregatePropertyMetadata);
return(this);
}
