PolygonClustering.java 文件源码

private Map<Object, List<Fibre>> polygonClustering(final List<Path2D.Double> polygons, final Integer defaultPolygon,
        final List<Fibre> input, final List<String> attributes, final Map<OperationErrorCode, String> errors,
        final OperationContext context) {
    Map<Object, List<Fibre>> result;

    result = new ConcurrentHashMap<Object, List<Fibre>>();

    input.stream().forEach(le -> {
        List<Double> values = LoomQueryUtils.convertAttributesToNumbers(attributes, le, errors, context);
        int polygonIndex = this.findContainer(polygons, defaultPolygon, values.get(0), values.get(1));

        if (result.get(polygonIndex) == null) {
            result.put(polygonIndex, new LinkedList<Fibre>());
        }
        result.get(polygonIndex).add(le);
    });

    return result;
}