学习 Redis List(列表)

学习 Redis List(列表)

 

import java.util.List;

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

public class TestRedisList {

	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();
		
//		rc.del("userList".getBytes());
		
		//LPUSH
		long lPush = rc.lPush("userList".getBytes(), 
				"Jim".getBytes(),
				"Tom".getBytes(), 
				"Jack".getBytes(), 
				"Scott".getBytes(), 
				"Rob".getBytes());
		System.out.println("LPUSH [" + lPush + "]");
		
		//LPUSHX
		long lPushX = rc.lPushX("noexists".getBytes(), "test".getBytes());
		System.out.println("LPUSHX [" + lPushX + "]");
		
		//LRANGE
		List<byte[]> lRange = rc.lRange("userList".getBytes(), 0, -1);
		for (byte[] value: lRange) {
			System.out.println(new String(value));
		}
		
		//LPOP
		byte[] lPop = rc.lPop("userList".getBytes());
		System.out.println("LPOP [" + new String(lPop) + "]");
		
		//BLPOP
		List<byte[]> blPop = rc.bLPop(0, "userList".getBytes());
		for (byte[] value : blPop) {
			System.out.println("BLPOP [" + new String(value) + "]");
		}
		//如果 deptList 列表为空，则阻塞，直到等待超时或发现可弹出元素为止。
//		List<byte[]> deptList = rc.bLPop(11110, "deptList".getBytes());
//		for (byte[] value : deptList) {
//			System.out.println("deptList [" + new String(value) + "]");
//		}
//		
//		List<byte[]> twoList = rc.bLPop(11110, "tList".getBytes(), "deptList".getBytes());
//		for (byte[] value : twoList) {
//			System.out.println("twoList [" + new String(value) + "]");
//		}
		
		//RPOP
		byte[] rPop = rc.rPop("userList".getBytes());
		System.out.println("RPOP [" + new String(rPop) + "]");
		
		//BRPOP
		List<byte[]> brPop = rc.bRPop(0, "userList".getBytes());
		for (byte[] value : brPop) {
			System.out.println("BRPOP [" + new String(value) + "]");
		}
		
		//RPOPLPUSH
		byte[] rPopPlPush = rc.rPopLPush("userList".getBytes(), "userList".getBytes());
		System.out.println("RPOPLPUSH [" + new String(rPopPlPush) + "]");
		
//		byte[] twoList = rc.rPopLPush("alist".getBytes(), "blist".getBytes());
//		System.out.println("twoList [" + new String(twoList) + "]");
		
		//LINDEX
		byte[] lIndex = rc.lIndex("userList".getBytes(), 0);
		System.out.println("LINDEX [" + new String(lIndex) + "]");
		
		//LINSERT
		long lInsert = rc.lInsert("userList".getBytes(), Position.AFTER, "Jack".getBytes(), "Green".getBytes());
		System.out.println("LINSERT [" + lInsert + "]");
		
		//LLEN
		long lLen = rc.lLen("userList".getBytes());
		System.out.println("LLEN ["+ lLen + "]");
		
		//LREM
		long lRem = rc.lRem("userList".getBytes(), 1, "Jack".getBytes());
		System.out.println("LREM [" + lRem + "]");
		
		//LSET
		rc.lSet("userList".getBytes(), 1, "newValue".getBytes());
		
		//LTRIM
		rc.lTrim("userList".getBytes(), 1, -1);
		
		//RPUSH 将一个或多个值 value 插入到列表 key 的表尾(最右边)
		long rPush = rc.rPush("newlist".getBytes(), "Jim".getBytes(), "Green".getBytes());
		System.out.println("RPUSH [" + rPush + "]");
		
		//RPUSHX 将值 value 插入到列表 key 的表尾，当且仅当 key 存在并且是一个列表。
		long rPushX = rc.rPushX("newlistb".getBytes(), "Tom".getBytes());
		System.out.println("RPUSHX [" + rPushX + "]");
		
		//BRPOPLPUSH
		byte[] bRPopLpush = rc.bRPopLPush(1000, "newlist".getBytes(), "newlistb".getBytes());
		System.out.println("BRPOPLPUSH [" + new String(bRPopLpush) + "]");
	}

}