module alto-basic-types {
    yang-version 1;

    namespace "urn:opendaylight:alto:core:types";

    prefix "alto-basic-types";

    organization "Yale University";

    contact "alto-dev@lists.opendaylight.org";

    revision "2015-09-21" {
        description "Initial revision of alto core types";
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.1 */
    typedef "pid-name" {
        type string {
            pattern "[0-9a-zA-Z\-:@_]*";
            length "1..64";
        }
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.2 */
    typedef "resource-id" {
        type string {
            pattern "[0-9a-zA-Z\-:@_]*";
            length "1..64";
        }
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.3 */
    typedef "tag" {
        type string {
            pattern "[!-~]*";
            length "1..32";
        }
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.6 */
    typedef "cost-metric" {
        type string {
            pattern "[0-9a-zA-Z\-_:]*";
            length "1..32";
        }
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.8.1 */
    typedef "specific-endpoint-property" {
        type string {
            pattern "[0-9a-zA-Z\-:@_]{1,64}\.[0-9a-zA-Z\-:_]{1,32}";
            length "3..97";
        }
    }

    /* See https://tools.ietf.org/html/rfc7285#section-10.8.2 */
    typedef "global-endpoint-property" {
        type string {
            pattern "[0-9a-zA-Z\-:_]*";
            length "1..32";
        }
    }

    grouping "cost-type-data" {
        leaf "cost-metric" {
            type cost-metric;
        }

        leaf "cost-mode" {
            mandatory true;
            type string;
        }
    }
}