Java JedisClusterException类代码示例

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
private static void processError(final RedisInputStream is) {
	String message = is.readLine();
	// TODO: I'm not sure if this is the best way to do this.
	// Maybe Read only first 5 bytes instead?
	if (message.startsWith(MOVED_RESPONSE)) {
		String[] movedInfo = parseTargetHostAndSlot(message);
		throw new JedisMovedDataException(message, new HostAndPort(movedInfo[1], Integer.valueOf(movedInfo[2])),
				Integer.valueOf(movedInfo[0]));
	} else if (message.startsWith(ASK_RESPONSE)) {
		String[] askInfo = parseTargetHostAndSlot(message);
		throw new JedisAskDataException(message, new HostAndPort(askInfo[1], Integer.valueOf(askInfo[2])),
				Integer.valueOf(askInfo[0]));
	} else if (message.startsWith(CLUSTERDOWN_RESPONSE)) {
		throw new JedisClusterException(message);
	} else if (message.startsWith(BUSY_RESPONSE)) {
		throw new JedisBusyException(message);
	} else if (message.startsWith(NOSCRIPT_RESPONSE)) {
		throw new JedisNoScriptException(message);
	}
	throw new JedisDataException(message);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
public T run(int keyCount, String... keys) {
	if (keys == null || keys.length == 0) {
		throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
	}

	// For multiple keys, only execute if they all share the
	// same connection slot.
	if (keys.length > 1) {
		int slot = JedisClusterCRC16.getSlot(keys[0]);
		for (int i = 1; i < keyCount; i++) {
			int nextSlot = JedisClusterCRC16.getSlot(keys[i]);
			if (slot != nextSlot) {
				throw new JedisClusterException(
						"No way to dispatch this command to Redis Cluster " + "because keys have different slots.");
			}
		}
	}

	return runWithRetries(SafeEncoder.encode(keys[0]), this.maxAttempts, false, false);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
public T runBinary(int keyCount, byte[]... keys) {
	if (keys == null || keys.length == 0) {
		throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
	}

	// For multiple keys, only execute if they all share the
	// same connection slot.
	if (keys.length > 1) {
		int slot = JedisClusterCRC16.getSlot(keys[0]);
		for (int i = 1; i < keyCount; i++) {
			int nextSlot = JedisClusterCRC16.getSlot(keys[i]);
			if (slot != nextSlot) {
				throw new JedisClusterException(
						"No way to dispatch this command to Redis Cluster " + "because keys have different slots.");
			}
		}
	}

	return runWithRetries(keys[0], this.maxAttempts, false, false);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
private static void processError(final RedisInputStream is) {
  String message = is.readLine();
  // TODO: I'm not sure if this is the best way to do this.
  // Maybe Read only first 5 bytes instead?
  if (message.startsWith(MOVED_RESPONSE)) {
    String[] movedInfo = parseTargetHostAndSlot(message);
    throw new JedisMovedDataException(message, new HostAndPort(movedInfo[1],
        Integer.valueOf(movedInfo[2])), Integer.valueOf(movedInfo[0]));
  } else if (message.startsWith(ASK_RESPONSE)) {
    String[] askInfo = parseTargetHostAndSlot(message);
    throw new JedisAskDataException(message, new HostAndPort(askInfo[1],
        Integer.valueOf(askInfo[2])), Integer.valueOf(askInfo[0]));
  } else if (message.startsWith(CLUSTERDOWN_RESPONSE)) {
    throw new JedisClusterException(message);
  }
  throw new JedisDataException(message);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * Implements move of Redis elements where oldkey and newkey don't fall in same slot. The concrete implementation
 * depends on the type of data at oldkey.
 *
 * @param oldkey
 * @param newkey
 * @return
 */
private String renameToDifferentSlots(byte[] oldkey, byte[] newkey) {
  String type = jedisCluster.type(oldkey);
  String result;
  switch (type) {
    case "string":
      result = renameString(oldkey, newkey);
      break;
    case "hash":
      result = renameHash(oldkey, newkey);
      break;
    case "set":
      result = renameSet(oldkey, newkey);
      break;
    case "list":
      result = renameList(oldkey, newkey);
      break;
    case "zrange":
      result = renameZRange(oldkey, newkey);
      break;
    default:
      throw new JedisClusterException("Unknown element type " + type + " for key " + encode(oldkey));
  }
  return result;
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
public T run(int keyCount, String... keys) {
  if (keys == null || keys.length == 0) {
    throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
  }

  // For multiple keys, only execute if they all share the
  // same connection slot.
  if (keys.length > 1) {
    int slot = JedisClusterCRC16.getSlot(keys[0]);
    for (int i = 1; i < keyCount; i++) {
      int nextSlot = JedisClusterCRC16.getSlot(keys[i]);
      if (slot != nextSlot) {
        throw new JedisClusterException("No way to dispatch this command to Redis Cluster "
            + "because keys have different slots.");
      }
    }
  }

  return runWithRetries(SafeEncoder.encode(keys[0]), this.redirections, false, false);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
public T runBinary(int keyCount, byte[]... keys) {
  if (keys == null || keys.length == 0) {
    throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
  }

  // For multiple keys, only execute if they all share the
  // same connection slot.
  if (keys.length > 1) {
    int slot = JedisClusterCRC16.getSlot(keys[0]);
    for (int i = 1; i < keyCount; i++) {
      int nextSlot = JedisClusterCRC16.getSlot(keys[i]);
      if (slot != nextSlot) {
        throw new JedisClusterException("No way to dispatch this command to Redis Cluster "
            + "because keys have different slots.");
      }
    }
  }

  return runWithRetries(keys[0], this.redirections, false, false);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * 处理Redis集群重定向"请求错误"响应。
 *
 * @param is
 */
private static void processError(RedisInputStream is) {
	String message = is.readLine();
	// TODO: I'm not sure if this is the best way to do this.
	// Maybe Read only first 5 bytes instead?
	if (message.startsWith(MOVED_RESPONSE)) {
		String[] movedInfo = parseTargetHostAndSlot(message);
		throw new JedisMovedDataException(message, new HostAndPort(
				movedInfo[1], Integer.valueOf(movedInfo[2])),
				Integer.valueOf(movedInfo[0]));
	} else if (message.startsWith(ASK_RESPONSE)) {
		String[] askInfo = parseTargetHostAndSlot(message);
		throw new JedisAskDataException(message, new HostAndPort(
				askInfo[1], Integer.valueOf(askInfo[2])),
				Integer.valueOf(askInfo[0]));
	} else if (message.startsWith(CLUSTERDOWN_RESPONSE)) {
		throw new JedisClusterException(message);
	}
	throw new JedisDataException(message);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Test(expected = JedisClusterException.class)
public void testJedisClusterException() {
  String script = "return {KEYS[1],KEYS[2],ARGV[1],ARGV[2],ARGV[3]}";
  List<String> keys = new ArrayList<String>();
  keys.add("key1");
  keys.add("key2");
  List<String> args = new ArrayList<String>();
  args.add("first");
  args.add("second");
  args.add("third");
  jedisCluster.eval(script, keys, args);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Test(expected = JedisClusterException.class)
public void testJedisClusterException2() {
  byte[] script = "return {KEYS[1],KEYS[2],ARGV[1],ARGV[2],ARGV[3]}".getBytes();
  List<byte[]> keys = new ArrayList<byte[]>();
  keys.add("key1".getBytes());
  keys.add("key2".getBytes());
  List<byte[]> args = new ArrayList<byte[]>();
  args.add("first".getBytes());
  args.add("second".getBytes());
  args.add("third".getBytes());
  jedisCluster.eval(script, keys, args);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
public T run(String key) {
  if (key == null) {
    throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
  }

  return runWithRetries(key, this.redirections, false, false);
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * @deprecated No key operation doesn't make sense for Redis Cluster scheduled
 *             to be removed on next major release
 */
@Deprecated
@Override
public String ping() {
	throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * @deprecated No key operation doesn't make sense for Redis Cluster scheduled
 *             to be removed on next major release
 */
@Deprecated
@Override
public String quit() {
	throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * @deprecated No key operation doesn't make sense for Redis Cluster scheduled
 *             to be removed on next major release
 */
@Deprecated
@Override
public String flushDB() {
	throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
}
 

import redis.clients.jedis.exceptions.JedisClusterException; //导入依赖的package包/类
/**
 * @deprecated No key operation doesn't make sense for Redis Cluster and Redis
 *             Cluster only uses db index 0 scheduled to be removed on next
 *             major release
 */
@Deprecated
@Override
public Long dbSize() {
	throw new JedisClusterException("No way to dispatch this command to Redis Cluster.");
}