学习 Redis Connection(连接)

import java.util.Set;

import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;

public class TestRedisConnection {

	private static JedisConnectionFactory getJedisConnectionFactory() {
		JedisConnectionFactory jcf = new JedisConnectionFactory();
		jcf.setHostName("127.0.0.1");
		jcf.setPort(6379);
		jcf.setPassword("123");
		jcf.afterPropertiesSet();
		return jcf;
	}

	private static RedisConnection getRedisConnection() {
		return getJedisConnectionFactory().getConnection();
	}

	public static void main(String[] args) {
		RedisConnection rc = getRedisConnection();
		
		//PING
		String ping = rc.ping();
		System.out.println("PING [" + ping + "]");
		//ECHO
		byte[] echo = rc.echo("hello redis".getBytes());
		System.out.println("ECHO [" + new String(echo) + "]");
		
		//SELECT
		Set<byte[]> db0 = rc.keys("*".getBytes());
		int db0s = db0.size();
		System.out.println("db0s [" + db0s + "]");
		rc.select(2);
		Set<byte[]> db2 = rc.keys("*".getBytes());
		int db2s = db2.size();
		System.out.println("db2s [" + db2s + "]");
		rc.select(0);

	}

}