redis.clients.jedis.util.JedisClusterCRC16 Java Examples

The following examples show how to use redis.clients.jedis.util.JedisClusterCRC16. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: RedisSlotToHash.java From bazel-buildfarm with Apache License 2.0

5 votes

public static String correlateRange(long start, long end) {
  Preconditions.checkState(start >= 0 && end < HASHSLOTS);

  long hashNumber = 0;
  int slotNumber = JedisClusterCRC16.getSlot(Long.toString(hashNumber));
  while (slotNumber < start || slotNumber > end) {
    hashNumber++;
    slotNumber = JedisClusterCRC16.getSlot(Long.toString(hashNumber));
  }
  return Long.toString(hashNumber);
}

Example #2

Source File: RedisSlotToHashTest.java From bazel-buildfarm with Apache License 2.0

5 votes

@Test
public void correlateCorrectForEverySlot() throws Exception {

  for (int i = 0; i < HASHSLOTS; ++i) {

    // convert to hashtag
    String hashtag = RedisSlotToHash.correlate(i);

    // convert hashtag back to slot
    int slotNumber = JedisClusterCRC16.getSlot(hashtag);

    // check correct correlation
    assertThat(i).isEqualTo(slotNumber);
  }
}

Example #3

Source File: RedisSlotToHashTest.java From bazel-buildfarm with Apache License 2.0

5 votes

@Test
public void correlateRangeCorrectHashtagFoundForSlotRange() throws Exception {

  // convert to hashtag
  String hashtag = RedisSlotToHash.correlateRange(100, 200);

  // convert hashtag back to slot
  int slotNumber = JedisClusterCRC16.getSlot(hashtag);

  // check correct correlation
  assertThat(slotNumber >= 100 && slotNumber <= 200).isTrue();
}

Example #4

Source File: JedisClusterPipeline.java From AutoLoadCache with Apache License 2.0

4 votes

@Override
protected Client getClient(byte[] key) {
    Client client = getClient(JedisClusterCRC16.getSlot(key));
    clients.add(client);
    return client;
}

Example #5

Source File: RedisUtil.java From RCT with Apache License 2.0

2 votes

/**
 * 计算key所在slot
 * 
 * @param key
 * @return
 */
public static int getSlotByKey(String key) {
	return JedisClusterCRC16.getSlot(key);
}