List of lRange() Examples

Examples of lRange()

org.jredis.JRedis.lrange()
@Redis LRANGE @param listkey @param from @param to @return @throws RedisException
org.springframework.data.redis.connection.StringRedisConnection.lRange()
redis.clients.jedis.Jedis.lrange()
Return the specified elements of the list stored at the specified key. Start and end are zero-based indexes. 0 is the first element of the list (the list head), 1 the next element and so on.
For example LRANGE foobar 0 2 will return the first three elements of the list.
start and end can also be negative numbers indicating offsets from the end of the list. For example -1 is the last element of the list, -2 the penultimate element and so on.
Consistency with range functions in various programming languages
Note that if you have a list of numbers from 0 to 100, LRANGE 0 10 will return 11 elements, that is, rightmost item is included. This may or may not be consistent with behavior of range-related functions in your programming language of choice (think Ruby's Range.new, Array#slice or Python's range() function).
LRANGE behavior is consistent with one of Tcl.
Out-of-range indexes
Indexes out of range will not produce an error: if start is over the end of the list, or start > end, an empty list is returned. If end is over the end of the list Redis will threat it just like the last element of the list.
Time complexity: O(start+n) (with n being the length of the range and start being the start offset) @param key @param start @param end @return Multi bulk reply, specifically a list of elements in thespecified range.
redis.clients.jedis.Pipeline.lrange()
redis.clients.jedis.ShardedJedis.lrange()
redis.clients.jedis.ShardedJedisPipeline.lrange()

Examples of redis.clients.jedis.Jedis.lrange()


  public List<Map<String,String>> listSubscriptions(String meetingId){
    List<Map<String,String>> list = new ArrayList<Map<String,String>>();
    Jedis jedis = redisPool.getResource();
    try {
      List<String> sids = jedis.lrange("meeting:" + meetingId + ":subscriptions", 0 , -1);
      for(int i=0; i<sids.size(); i++){
        Map<String,String> props = jedis.hgetAll("meeting:" + meetingId + ":subscription:" + sids.get(i));
        list.add(props);  
      }

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Examples of redis.clients.jedis.Jedis.lrange()

  
  public List<Map<String,String>> listSubscriptions(String meetingId){
    List<Map<String,String>> list = new ArrayList<Map<String,String>>();
    Jedis jedis = redisPool.getResource();
    try {
      List<String> sids = jedis.lrange("meeting:" + meetingId + ":subscriptions", 0 , -1);
      for(int i=0; i<sids.size(); i++){
        Map<String,String> props = jedis.hgetAll("meeting:" + meetingId + ":subscription:" + sids.get(i));
        list.add(props);  
      }

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Examples of redis.clients.jedis.Jedis.lrange()


  public List<Map<String,String>> listSubscriptions(String meetingId){
    List<Map<String,String>> list = new ArrayList<Map<String,String>>();
    Jedis jedis = redisPool.getResource();
    try {
      List<String> sids = jedis.lrange("meeting:" + meetingId + ":subscriptions", 0 , -1);
      for(int i=0; i<sids.size(); i++){
        Map<String,String> props = jedis.hgetAll("meeting:" + meetingId + ":subscription:" + sids.get(i));
        list.add(props);  
      }

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Examples of redis.clients.jedis.Pipeline.lrange()

  Response<String> set = p.spop("set");
  Response<Boolean> blist = p.exists("list");
  Response<Double> zincrby = p.zincrby("zset", 1, "foo");
  Response<Long> zcard = p.zcard("zset");
  p.lpush("list", "bar");
  Response<List<String>> lrange = p.lrange("list", 0, -1);
  Response<Map<String, String>> hgetAll = p.hgetAll("hash");
  p.sadd("set", "foo");
  Response<Set<String>> smembers = p.smembers("set");
  Response<Set<Tuple>> zrangeWithScores = p.zrangeWithScores("zset", 0,
    -1);

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Examples of redis.clients.jedis.Pipeline.lrange()

        ShardedJedis jedis = Seek.getPool().getResource();
        Jedis shard = jedis.getShard(ndx.key());
        try {
            Pipeline p = shard.pipelined();
            // List<String> indexes =
            p.lrange(idx.key(), 0, -1);
            // Map<String, String> fields =
            p.hgetAll(idx.cat(Seek.FIELDS).key());
            // List<String> tags =
            p.lrange(idx.cat(Seek.TAGS).key(), 0, -1);
            List<Object> data = p.execute();

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Examples of redis.clients.jedis.Pipeline.lrange()

            // List<String> indexes =
            p.lrange(idx.key(), 0, -1);
            // Map<String, String> fields =
            p.hgetAll(idx.cat(Seek.FIELDS).key());
            // List<String> tags =
            p.lrange(idx.cat(Seek.TAGS).key(), 0, -1);
            List<Object> data = p.execute();
            List<byte[]> indexes = (List<byte[]>) data.get(0);
            List<byte[]> fields = (List<byte[]>) data.get(1);
            List<byte[]> tags = (List<byte[]>) data.get(2);

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Examples of redis.clients.jedis.ShardedJedis.lrange()

            long i = 0L;
            boolean includeSet = (previousReceiptHandle == null) ? true : false;
            
            while (retCount < num && i < llen) {
            
              List<String> memIds = jedis.lrange(queueUrl + "-" + shard + "-Q", i, i + num - 1);
                
              if (memIds.size() == 0) {
                  break; // done
                }

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Examples of redis.clients.jedis.ShardedJedisPipeline.lrange()

  Response<String> set = p.spop("set");
  Response<Boolean> blist = p.exists("list");
  Response<Double> zincrby = p.zincrby("zset", 1, "foo");
  Response<Long> zcard = p.zcard("zset");
  p.lpush("list", "bar");
  Response<List<String>> lrange = p.lrange("list", 0, -1);
  Response<Map<String, String>> hgetAll = p.hgetAll("hash");
  p.sadd("set", "foo");
  Response<Set<String>> smembers = p.smembers("set");
  Response<Set<Tuple>> zrangeWithScores = p.zrangeWithScores("zset", 0,
    -1);

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