module sal-flow {
    namespace "urn:opendaylight:flow:service";
    prefix flow;

    import yang-ext {prefix ext;}
    import opendaylight-inventory {prefix inv;}
    import ietf-inet-types {prefix inet;}
    import opendaylight-flow-types {prefix types;}


    revision "2013-08-19" {
        description "Initial revision of flow service";
    }


    typedef flow-table-ref {
        type instance-identifier;
    }
    
    grouping node-flow {
        leaf node {
            ext:context-reference "inv:node-context";
            type inv:node-ref;
        }
        leaf flow-table {
            type flow-table-ref;
        }
        uses types:flow;
    }

    /** Base configuration structure **/
    grouping flow-update {
        container original-flow {
            uses types:flow;
        }
        container updated-flow {
            uses types:flow;
        }
    }

    rpc add-flow {
        input {
            uses node-flow;
        }
    }

    rpc remove-flow {
        input {
            uses node-flow;
        }
    }

    rpc update-flow {
        input {
            leaf node {
                ext:context-reference "inv:node-context";
                type inv:node-ref;
            }
            uses flow-update;
        }
    }

    notification flow-added {
        uses node-flow;
    }

    notification flow-updated {
        uses node-flow;
    }

    notification flow-removed {
        uses node-flow;
    }

    augment "/inv:nodes/inv:node" {
        ext:augment-identifier "flow-capable-node";
        container flow-tables {
            list table {
                key "id";
                leaf "id" {
                    type inet:uri;
                }
            }
        }
    }
}