private static IFilterSpecification GetBinaryOperation(FilterOperator op,
IFilterSpecification left,
IFilterSpecification right) =>
new FilterSpecification
{
LeftSpecification = left,
Operator = op,
RightSpecification = right
};
private static IFilterSpecification GetCondition(FilterCondition condition,
IFilterSpecification left,
IFilterSpecification right) =>
new FilterConditionSpecification
{
Condition = condition,
LeftSpecification = left,
RightSpecification = right
};
private static IEnumerable <DslQueryParameter> GetParameters(IFilterSpecification specification) =>
specification == null
? Enumerable.Empty <DslQueryParameter>()
: specification.GetParameters();
