QueryEngine<T0>.GetOperator

参数

返回

QueryFilterOperator The global QueryFilterOperator.

描述

Get a custom operator added on the QueryEngine.

This method returns a QueryFilterOperator that was added on the QueryEngine. If the operator does not exist, the QueryFilterOperator will be invalid (see QueryFilterOperator.valid).

// Get an operator based on its token and add some handlers on it.
var operatorToken = "%";
var operatorObject = queryEngine.GetOperator(operatorToken);
if (operatorObject.valid)
    operatorObject.AddHandler((float ev, float fv) => Math.Abs(ev % fv) < 0.0000001f);

See AddOperator for a complete example.