module vpp-cfg-init {
    yang-version 1;
    namespace "urn:honeycomb:params:xml:ns:yang:vpp:data:init";
    prefix "init";

    import config { prefix config; revision-date 2013-04-05; }
    import opendaylight-md-sal-binding { prefix md-sal-binding; revision-date 2013-10-28;}
    import opendaylight-md-sal-dom {prefix dom;}
    import translate-api { prefix tapi; revision-date 2016-04-06; }
    import data-api { prefix dapi; revision-date 2016-04-11; }

    description
        "This module contains initializers for VPP config data tree";

    revision "2016-04-07" {
        description
            "Initial revision";
    }

    identity cfg-initializer {
        base "config:service-type";
        config:java-class io.fd.honeycomb.v3po.vpp.data.init.DataTreeInitializer;
    }

    // TODO move to v3po2vpp
    identity vpp-cfg-initializer {
        base config:module-type;
        config:provided-service cfg-initializer;
        config:java-name-prefix VppConfigurationInitializer;
    }

    augment "/config:modules/config:module/config:configuration" {
        case vpp-cfg-initializer {
            when "/config:modules/config:module/config:type = 'vpp-cfg-initializer'";

             container binding-data-broker {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity md-sal-binding:binding-async-data-broker;
                    }
                }
             }
        }
    }

    // TODO move to v3po2vpp
    identity interfaces-cfg-initializer {
        base config:module-type;
        config:provided-service cfg-initializer;
        config:java-name-prefix InterfacesConfigurationInitializer;
    }

    augment "/config:modules/config:module/config:configuration" {
        case interfaces-cfg-initializer {
            when "/config:modules/config:module/config:type = 'interfaces-cfg-initializer'";

             container binding-data-broker {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity md-sal-binding:binding-async-data-broker;
                    }
                }
             }
        }
    }

    identity cfg-initializer-registry {
        base config:module-type;
        config:provided-service cfg-initializer;
        config:java-name-prefix ConfigurationInitializerRegistry;
        description "Initializer registry, delegating initialization to a list of initializers";
    }

    augment "/config:modules/config:module/config:configuration" {
        case cfg-initializer-registry {
            when "/config:modules/config:module/config:type = 'cfg-initializer-registry'";

             list initializers {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity cfg-initializer;
                    }
                }
             }

             container persisted-context-initializer {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity cfg-initializer;
                    }
                }
             }

             container persisted-config-initializer {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity cfg-initializer;
                    }
                }
             }
        }
    }

    identity persisted-file-initializer {
        base config:module-type;
        config:provided-service cfg-initializer;
        description "Initializer restoring data from a persisted file";
    }

    typedef restoration-type {
        type enumeration {
             enum merge;
             enum put;
         }
    }

    augment "/config:modules/config:module/config:configuration" {
        case persisted-file-initializer {
            when "/config:modules/config:module/config:type = 'persisted-file-initializer'";

            container dom-data-broker {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity dom:dom-async-data-broker;
                    }
                }
            }

            container schema-service {
                uses config:service-ref {
                    refine type {
                        mandatory true;
                        config:required-identity dom:schema-service;
                    }
                }
            }

            leaf persist-file-path {
                type string;
            }

            leaf restoration-type {
                type restoration-type;
                default merge;
            }


            leaf datastore-type {
                type dapi:datatree-type;
            }
        }
    }

}