Examples with Namifiable org.janusgraph.core.Namifiable used on opensource projects

Example 1 with Namifiable

use of org.janusgraph.core.Namifiable in project grakn by graknlabs.

the class TxFactoryJanus method makeIndicesVertexCentric.

private static void makeIndicesVertexCentric(JanusGraphManagement management) {
    ResourceBundle keys = ResourceBundle.getBundle("indices-edges");
    Set<String> edgeLabels = keys.keySet();
    for (String edgeLabel : edgeLabels) {
        String[] propertyKeyStrings = keys.getString(edgeLabel).split(",");
        // Get all the property keys we need
        Set<PropertyKey> propertyKeys = stream(propertyKeyStrings).map(keyId -> {
            PropertyKey key = management.getPropertyKey(keyId);
            if (key == null) {
                throw new RuntimeException("Trying to create edge index on label [" + edgeLabel + "] but the property [" + keyId + "] does not exist");
            }
            return key;
        }).collect(Collectors.toSet());
        // Get the edge and indexing information
        RelationType relationType = management.getRelationType(edgeLabel);
        EdgeLabel label = management.getEdgeLabel(edgeLabel);
        // Create index on each property key
        for (PropertyKey key : propertyKeys) {
            if (management.getRelationIndex(relationType, edgeLabel + "by" + key.name()) == null) {
                management.buildEdgeIndex(label, edgeLabel + "by" + key.name(), Direction.BOTH, Order.decr, key);
            }
        }
        // Create index on all property keys
        String propertyKeyId = propertyKeys.stream().map(Namifiable::name).collect(Collectors.joining("_"));
        if (management.getRelationIndex(relationType, edgeLabel + "by" + propertyKeyId) == null) {
            PropertyKey[] allKeys = propertyKeys.toArray(new PropertyKey[propertyKeys.size()]);
            management.buildEdgeIndex(label, edgeLabel + "by" + propertyKeyId, Direction.BOTH, Order.decr, allKeys);
        }
    }
}