Examples with ElevatedMarkerFactory org.apache.solr.response.transform.ElevatedMarkerFactory used on opensource projects

Example 1 with ElevatedMarkerFactory

use of org.apache.solr.response.transform.ElevatedMarkerFactory in project lucene-solr by apache.

the class QueryElevationComponent method inform.

@Override
public void inform(SolrCore core) {
    IndexSchema schema = core.getLatestSchema();
    String a = initArgs.get(FIELD_TYPE);
    if (a != null) {
        FieldType ft = schema.getFieldTypes().get(a);
        if (ft == null) {
            throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Unknown FieldType: '" + a + "' used in QueryElevationComponent");
        }
        analyzer = ft.getQueryAnalyzer();
    }
    SchemaField sf = schema.getUniqueKeyField();
    if (sf == null) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "QueryElevationComponent requires the schema to have a uniqueKeyField.");
    }
    idSchemaFT = sf.getType();
    idField = sf.getName();
    //register the EditorialMarkerFactory
    String excludeName = initArgs.get(QueryElevationParams.EXCLUDE_MARKER_FIELD_NAME, "excluded");
    if (excludeName == null || excludeName.equals("") == true) {
        excludeName = "excluded";
    }
    ExcludedMarkerFactory excludedMarkerFactory = new ExcludedMarkerFactory();
    core.addTransformerFactory(excludeName, excludedMarkerFactory);
    ElevatedMarkerFactory elevatedMarkerFactory = new ElevatedMarkerFactory();
    String markerName = initArgs.get(QueryElevationParams.EDITORIAL_MARKER_FIELD_NAME, "elevated");
    if (markerName == null || markerName.equals("") == true) {
        markerName = "elevated";
    }
    core.addTransformerFactory(markerName, elevatedMarkerFactory);
    forceElevation = initArgs.getBool(QueryElevationParams.FORCE_ELEVATION, forceElevation);
    try {
        synchronized (elevationCache) {
            elevationCache.clear();
            String f = initArgs.get(CONFIG_FILE);
            if (f == null) {
                throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "QueryElevationComponent must specify argument: '" + CONFIG_FILE + "' -- path to elevate.xml");
            }
            boolean exists = false;
            // check if using ZooKeeper
            ZkController zkController = core.getCoreContainer().getZkController();
            if (zkController != null) {
                // TODO : shouldn't have to keep reading the config name when it has been read before
                exists = zkController.configFileExists(zkController.getZkStateReader().readConfigName(core.getCoreDescriptor().getCloudDescriptor().getCollectionName()), f);
            } else {
                File fC = new File(core.getResourceLoader().getConfigDir(), f);
                File fD = new File(core.getDataDir(), f);
                if (fC.exists() == fD.exists()) {
                    throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "QueryElevationComponent missing config file: '" + f + "\n" + "either: " + fC.getAbsolutePath() + " or " + fD.getAbsolutePath() + " must exist, but not both.");
                }
                if (fC.exists()) {
                    exists = true;
                    log.info("Loading QueryElevation from: " + fC.getAbsolutePath());
                    Config cfg = new Config(core.getResourceLoader(), f);
                    elevationCache.put(null, loadElevationMap(cfg));
                }
            }
            //in other words, we think this is in the data dir, not the conf dir
            if (!exists) {
                // preload the first data
                RefCounted<SolrIndexSearcher> searchHolder = null;
                try {
                    searchHolder = core.getNewestSearcher(false);
                    IndexReader reader = searchHolder.get().getIndexReader();
                    getElevationMap(reader, core);
                } finally {
                    if (searchHolder != null)
                        searchHolder.decref();
                }
            }
        }
    } catch (Exception ex) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Error initializing QueryElevationComponent.", ex);
    }
}