function() {
        var filters = this.getFilters().items;

        this.filterFn = function(item) {
            var isMatch = true,
                length = filters.length,
                i;

            for (i = 0; i < length; i++) {
                var filter = filters[i],
                    fn     = filter.getFilterFn(),
                    scope  = filter.getScope() || this;

                isMatch = isMatch && fn.call(scope, item);
            }

            return isMatch;
        };

        this.dirtyFilterFn = false;
        return this.filterFn;
    }
function() {
        var filters = this.getFilters().items;

        this.filterFn = function(item) {
            var isMatch = true,
                length = filters.length,
                i;

            for (i = 0; i < length; i++) {
                var filter = filters[i],
                    fn     = filter.getFilterFn(),
                    scope  = filter.getScope() || this;

                isMatch = isMatch && fn.call(scope, item);
            }

            return isMatch;
        };

        this.dirtyFilterFn = false;
        return this.filterFn;
    }
function ( ) { var filters = this . getFilters ( ) . items ; this . filterFn = function ( item ) { var isMatch = true , length = filters . length , i ; for ( i = 0 ; i < length ; i ++ ) { var filter = filters [ i ] , fn = filter . getFilterFn ( ) , scope = filter . getScope ( ) || this ; isMatch = isMatch && fn . call ( scope , item ) ; } return isMatch ; } ; this . dirtyFilterFn = false ; return this . filterFn ; }
This updates the cached sortFn based on the current sorters.
@return {Function} sortFn The generated sort function.
@private
This updates the cached sortFn based on the current sorters .