digraph G {
    fontname = "Bitstream Vera Sans"
        fontsize = 8

        node [
        fontname = "Bitstream Vera Sans"
        fontsize = 8
        shape = "record"
        ]

        edge [
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        uct_iface [
        label = "{UCT Iface||+ Open() : void\l}"
        ]

        uct_worker [
        label = "{UCT Worker||+ Open() : void\l}"
        ]

        uct_pd [
        label = "{UCT PD||+ Open() : void\l}"
        ]

        uct_endpoint [
        label = "{UCT Endpoint||+ Open() : void\l}"
        ]

        edge [
        arrowhead = "none"

        taillabel= "1"
        headlabel = "0..*"
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        uct_pd -> uct_iface
        uct_worker -> uct_iface 
        uct_iface -> uct_endpoint
}