module ietf-netconf-partial-lock {

    yang-version 1;

    namespace
      'urn:ietf:params:xml:ns:netconf:partial-lock:1.0';

    prefix pl;

    organization
      "IETF Network Configuration (netconf) Working Group";

    contact
      "Netconf Working Group
    Mailing list: netconf@ietf.org
    Web: http://www.ietf.org/html.charters/netconf-charter.html

    Balazs Lengyel
    Ericsson
    balazs.lengyel@ericsson.com";

    description
      "This YANG module defines the <partial-lock> and
    <partial-unlock> operations.";

    revision "2009-10-19" {
      description
        "Initial version, published as RFC 5717.";
    }


    typedef lock-id-type {
      type uint32;
      description
        "A number identifying a specific partial-lock granted to a session.
      It is allocated by the system, and SHOULD be used in the
      partial-unlock operation.";
    }

    rpc partial-lock {
      description
        "A NETCONF operation that locks parts of the running datastore.";
      input {
        leaf-list select {
          type string;
          min-elements 1;
          description
            "XPath expression that specifies the scope of the lock.
          An Instance Identifier expression MUST be used unless the
          :xpath capability is supported, in which case any XPath 1.0
          expression is allowed.";
        }
      }

      output {
        leaf lock-id {
          type lock-id-type;
          description
            "Identifies the lock, if granted.  The lock-id SHOULD be
          used in the partial-unlock rpc.";
        }

        leaf-list locked-node {
          type instance-identifier;
          min-elements 1;
          description
            "List of locked nodes in the running datastore";
        }
      }
    }  // rpc partial-lock

    rpc partial-unlock {
      description
        "A NETCONF operation that releases a previously acquired
      partial-lock.";
      input {
        leaf lock-id {
          type lock-id-type;
          description
            "Identifies the lock to be released.  MUST be the value
          received in the response to a partial-lock operation.";
        }
      }
    }  // rpc partial-unlock
  }  // module ietf-netconf-partial-lock