Java中使用RediSearch实现高效的数据检索功能

<dependencies>
    <dependency>
        <groupId>com.redislabs</groupId>
        <artifactId>jredisearch</artifactId>
        <version>1.8.1</version>
    </dependency>
</dependencies>

import redis.clients.jedis.Jedis;
 
public class RediSearchExample {
    public static void main(String[] args) {
        Client client = new Client("index", "localhost", 6379);
        Schema schema = new Schema()
                .addTextField("title", 5.0)
                .addTextField("body", 1.0)
                .addNumericField("star");
        // 添加索引
        client.createIndex(schema, Client.IndexOptions.defaultOptions());
 
    }
}

public static void insertDocument(Client client) {
    // 添加文档
    Map<String, Object> fields = new HashMap<>();
    fields.put("title", "标题");
    fields.put("body", "内容");
    fields.put("star", 100);
    client.addDocument("doc1", fields);
}

public static void search(Client client) {
    // 查询文档
    Query query = new Query("标题")
                .addFilter(new Query.NumericFilter("star", 0, 1500))
                .setLanguage("chinese")
                .setWithScores();
    SearchResult result = client.search(query);
 
    // 处理结果...
}

public SearchResult searchWithSortAndPage(Client client) {
    Query query = new Query("标题")
                .addFilter(new Query.NumericFilter("star", 0, 1500))
                .setWithScores()
                .setLanguage("chinese")
                .limit(0, 10).setSortBy("star", true);
    SearchResult result = client.search(query);
    return result;
}

public void deleteDoc(Client client, String docId) {
    client.deleteDocument(docId);
}

List<Map<String, String>> parseSearchResults(List<Object> rawResults) {
    List<Map<String, String>> parsedResults = new ArrayList<>();
    for (int i = 1; i < rawResults.size(); i++) {
        List<Object> docInfo = (List<Object>) rawResults.get(i);
        Map<String, String> docMap = new HashMap<>();
        for (int j = 0; j < docInfo.size(); j += 2) {
            docMap.put(docInfo.get(j).toString(), docInfo.get(j + 1).toString());
        }
        parsedResults.add(docMap);
    }
    return parsedResults;
}