Examples with ItemProvider org.opennms.features.topology.plugins.topo.asset.layers.ItemProvider used on opensource projects

Example 1 with ItemProvider

use of org.opennms.features.topology.plugins.topo.asset.layers.ItemProvider in project opennms by OpenNMS.

the class AssetGraphGenerator method applyFilters.

public static void applyFilters(List<OnmsNode> nodes, Map<String, Filter> filterMap, LayerDefinitionRepository layerDefinitionRepository) {
    final List<LayerDefinition> layersToFilter = layerDefinitionRepository.getDefinitions(filterMap.keySet());
    layersToFilter.stream().filter(layerToFilter -> filterMap.get(layerToFilter.getKey()) != null).forEach(layerToFilter -> {
        final List<OnmsNode> filteredNodes = nodes.stream().filter(n -> {
            ItemProvider itemProvider = layerToFilter.getLayer().getItemProvider();
            Filter filter = filterMap.get(layerToFilter.getKey());
            return filter.apply(itemProvider.getItem(n));
        }).collect(Collectors.toList());
        if (!filteredNodes.isEmpty()) {
            final Layer layer = layerToFilter.getLayer();
            LOG.debug("Found nodes to remove due to filter settings. Removing nodes {}", filteredNodes.stream().map(n -> String.format("(id: %s, label: %s)", n.getId(), n.getLabel())).collect(Collectors.toList()));
            nodes.removeAll(filteredNodes);
        }
    });
}