org.springframework.data.redis.connection.RedisConnection.scan()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.springframework.data.redis.connection.RedisConnection.scan方法的一些代码示例,展示了RedisConnection.scan的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。RedisConnection.scan方法的具体详情如下:
包路径:org.springframework.data.redis.connection.RedisConnection
类名称:RedisConnection
方法名:scan

RedisConnection.scan介绍

暂无

代码示例

代码示例来源:origin: spring-projects/spring-data-redis

@Override
public Cursor<byte[]> scan(ScanOptions options) {
  return this.delegate.scan(options);
}

代码示例来源:origin: crossoverJie/cim

@Override
public Map<Long, CIMServerResVO> loadRouteRelated() {
  Map<Long, CIMServerResVO> routes = new HashMap<>(64);
  RedisConnection connection = redisTemplate.getConnectionFactory().getConnection();
  ScanOptions options = ScanOptions.scanOptions()
      .match(ROUTE_PREFIX + "*")
      .build();
  Cursor<byte[]> scan = connection.scan(options);
  while (scan.hasNext()) {
    byte[] next = scan.next();
    String key = new String(next, StandardCharsets.UTF_8);
    LOGGER.info("key={}", key);
    parseServerInfo(routes, key);
  }
  try {
    scan.close();
  } catch (IOException e) {
    LOGGER.error("IOException",e);
  }
  return routes;
}

代码示例来源:origin: apache/nifi

@Override
public long removeByPattern(final String regex) throws IOException {
  return withConnection(redisConnection -> {
    long deletedCount = 0;
    final List<byte[]> batchKeys = new ArrayList<>();
    // delete keys in batches of 1000 using the cursor
    final Cursor<byte[]> cursor = redisConnection.scan(ScanOptions.scanOptions().count(100).match(regex).build());
    while (cursor.hasNext()) {
      batchKeys.add(cursor.next());
      if (batchKeys.size() == 1000) {
        deletedCount += redisConnection.del(getKeys(batchKeys));
        batchKeys.clear();
      }
    }
    // delete any left-over keys if some were added to the batch but never reached 1000
    if (batchKeys.size() > 0) {
      deletedCount += redisConnection.del(getKeys(batchKeys));
      batchKeys.clear();
    }
    return deletedCount;
  });
}

代码示例来源:origin: 1991wangliang/tx-lcn

@Override
public Cursor<byte[]> scan(ScanOptions options) {
  return redisConnection.scan(options);
}

代码示例来源:origin: apache/servicemix-bundles

@Override
public Cursor<byte[]> scan(ScanOptions options) {
  return this.delegate.scan(options);
}

代码示例来源:origin: org.springframework.data/spring-data-redis

@Override
public Cursor<byte[]> scan(ScanOptions options) {
  return this.delegate.scan(options);
}

代码示例来源:origin: xkcoding/spring-boot-demo

RedisConnectionFactory factory = stringRedisTemplate.getConnectionFactory();
RedisConnection rc = factory.getConnection();
Cursor<byte[]> cursor = rc.scan(options);

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