Hydra Field Day Filter Out

hydra-field-day-filterout-template.hocon

map.filterOut:[
    {time-to-date-ymd {}}
    // only the most wellformed of UIDs are counted.
    {from:"UID", require.match:["[0-9a-f]{16}"]}
    // filter segment data
    {safely:[
        {is-not-empty:"RED"}
        // filter segments based on the provided list
        {from:"SEGMENTIDS", list-apply.elementFilter.require:[%[segment-ids]%]}
        {is-not-empty:"SEGMENTIDS"}
        {from:"SRC", set:"SEG"}
    ]}
    // flag usync data
    {safely:[
        {is-not-empty:"USYNC"}
        {from:"SRC", set:"USYNC"}
    ]}
    // throw away unflagged bundles
    {is-not-empty:"SRC"}
]