Redis officially recommends more than ten packaging frameworks for the Java language, mainly including: Jedis, Lettuce, and Redisson.
Comparison of several frameworks
The three frameworks all encapsulate Redis operations in Java.
Recommended: "Redis Video Tutorial"
1. Jedis
github: github.com/xetorthio/j…
Jedis is the client of the Java implementation of Redis , its API provides relatively comprehensive support for Redis commands. Supports basic data types such as: String, Hash, List, Set, Sorted Set.
Advantages: It provides a comprehensive range of Redis operating features and is more native than other Redis encapsulation frameworks.
Programming model: Using blocking I/O, method calls are synchronized. The program flow needs to wait until the socket has processed the I/O before it can be executed. Asynchronous operations are not supported. Jedis client instances are not thread-safe, so you need to use Jedis through a connection pool.
2. Lettuce
官网：lettuce.io/ github: github.com/lettuce-io/…
Advanced Redis client for thread-safe synchronization, asynchronous and reactive usage, supports clustering, Sentinel, pipelines and encoders.
Advantages: Suitable for distributed cache framework.
Programming model: An event-driven communication layer based on the Netty framework, and its method calls are asynchronous. Lettuce's API is thread-safe, so a single Lettuce connection can be operated to complete various operations.
3.Redisson
官网： redisson.org/ github: github.com/redisson/re…
Redisson implements distributed and scalable Java data structures. Redisson not only provides a series of common distributed Java objects, which are basically common with Java's basic data structures, but also provides many distributed services.
Advantages: It prompts users to separate their attention from Redis, allowing users to focus more on processing business logic, and provides many distributed related operation services, such as distributed locks and distributed collections. , delay queues can be supported through Redis.
Third-party framework integration:
Provides features similar to those of the Spring framework, configuring the RedissonClient instance and its support in the namespace of Spring XML All objects and services
implement the Java cache standard specification based on Redis, and completely implement the caching mechanism in the Spring framework
Provides the implementation of the Spring Session session manager
Programming model: An event-driven communication layer based on the Netty framework, and its method calls are asynchronous. Redisson's API is thread-safe, so a single Redisson connection can be operated to complete various operations.
4. Summary
The method calls in Jedis are relatively low-level exposed Redis APIs, that is, the Java methods in Jedis are basically the same as the Redis APIs. Consistently, if you understand the Redis API, you will be able to use Jedis proficiently. The methods in Redisson are relatively high-level abstract, and each method call may make one or more Redis method calls.
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