}
        };
        indexUpdater.addDocBoostMatcher(matcher);

        indexUpdater.updateDocument(doc);

        assertEquals(2.5f, doc.get("boost"));
        assertNotNull(doc.get("doc_id"));
    }

    // Test updateDocument without boost
    @Test
    public void test_updateDocument_withoutBoost() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("url", "http://example.com");

        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("paths", paths);
        requestBody.put("num_of_thread", 5);
        requestBody.put("interval_time", 1000);
        requestBody.put("boost", id);
        requestBody.put("available", true);
        requestBody.put("sort_order", id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

{
  "fess_config.data_config" : {
    "aliases" : { },
    "mappings" : {
      "data_config" : {
        "properties" : {
          "available" : {
            "type" : "boolean"
          },
          "boost" : {
            "type" : "float"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "description" : {

- **Asynchronous Operations**: Non-blocking suggestion requests with callback support
- **Index Management**: Automatic index creation, switching, and maintenance
- **Customizable Scoring**: User boost, document frequency, and query frequency weighting

## Technology Stack

- **Java**: 21+ (configured via parent POM)
- **OpenSearch**: Latest (provided scope)
- **Apache Lucene**: Query parsing and text analysis

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";
            }

            @Override

            writer.write("192.168.1.100 HOST1\n");
            writer.write("\n");
            writer.write("   \n");
            writer.write("192.168.1.101 HOST2\n");
        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

        // Use getByName to trigger populate
        NbtAddress result = lmhosts.getByName("HOST1", mockContext);
        assertNotNull(result);

        assertEquals(1, dataconfigpager.getCurrentPageNumber());
        assertNull(dataconfigpager.id);
        assertNull(dataconfigpager.name);
        assertNull(dataconfigpager.handlerName);
        assertNull(dataconfigpager.boost);
        assertNull(dataconfigpager.available);
        assertNull(dataconfigpager.sortOrder);
        assertNull(dataconfigpager.createdBy);
        assertNull(dataconfigpager.createdTime);

        final Map<String, Object> source = new LinkedHashMap<>();
        source.put("boost", 1.5);
        source.put("content_length", 12345);
        source.put("active", true);

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(json.contains("\"boost\": 1.5"));
        assertTrue(json.contains("\"content_length\": 12345"));

        requestBody.put(KEY_PROPERTY, keyProp);
        final String handlerName = "DatabaseDataStore";
        requestBody.put("handler_name", handlerName);
        requestBody.put("boost", id);
        requestBody.put("available", true);
        requestBody.put("sort_order", id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

    public void test_InstanceInfo() {
        final InstanceInfo info = new InstanceInfo();
        info.instanceId = "node1@host1";
        info.hostname = "host1";
        info.name = "node1";
        info.lastSeen = 1000L;

        assertEquals("node1@host1", info.instanceId);
        assertEquals("host1", info.hostname);
        assertEquals("node1", info.name);
        assertEquals(1000L, info.lastSeen);
    }