Example usage for org.springframework.data.redis.connection RedisConnection scan

Introduction

In this page you can find the example usage for org.springframework.data.redis.connection RedisConnection scan.

Prototype

Cursor<byte[]> scan(ScanOptions options);

Source Link

Document

Use a Cursor to iterate over keys.

Usage

From source file:io.gravitee.repository.redis.management.internal.impl.ApplicationRedisRepositoryImpl.java

@Override
public Set<RedisApplication> findByName(final String partialName) {

    List<String> matchedNames = redisTemplate.execute(new RedisCallback<List<String>>() {
        @Override//from   w ww  .j a  va  2 s  .  c om
        public List<String> doInRedis(RedisConnection redisConnection) throws DataAccessException {
            ScanOptions options = ScanOptions.scanOptions()
                    .match(REDIS_KEY + ":search-by:name:*" + partialName.toUpperCase() + "*").build();
            Cursor<byte[]> cursor = redisConnection.scan(options);
            List<String> result = new ArrayList<>();
            if (cursor != null) {
                while (cursor.hasNext()) {
                    result.add(new String(cursor.next()));
                }
            }
            return result;
        }
    });

    if (matchedNames == null || matchedNames.isEmpty()) {
        return Collections.emptySet();
    }
    Set<Object> applicationIds = new HashSet<>();
    matchedNames.forEach(matchedName -> applicationIds.addAll(redisTemplate.opsForSet().members(matchedName)));

    return find(applicationIds.stream().map(Object::toString).collect(Collectors.toList()));
}

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From source file:com.zxy.commons.cache.RedisUtils.java

/**
 * Use a {@link Cursor} to iterate over keys.
 * <p>/*from ww  w  .  ja  v a2 s.  c om*/
 * See http://redis.io/commands/scan
 * 
 * @param options options
 * @return Cursor<byte[]>
 * @since 1.4
 */
public static Cursor<byte[]> scan(ScanOptions options) {
    return redisTemplate.execute(new RedisCallback<Cursor<byte[]>>() {
        @Override
        public Cursor<byte[]> doInRedis(RedisConnection redis) throws DataAccessException {
            return redis.scan(options);
        }
    });
}

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From source file:com.zxy.commons.cache.RedisHelper.java

/**
 * Use a {@link Cursor} to iterate over keys.
 * <p>/* w  ww.  ja v a  2s.  c  o m*/
 * See http://redis.io/commands/scan
 * 
 * @param options options
 * @return Cursor<byte[]>
 * @since 1.4
 */
public Cursor<byte[]> scan(ScanOptions options) {
    return redisTemplate.execute(new RedisCallback<Cursor<byte[]>>() {
        @Override
        public Cursor<byte[]> doInRedis(RedisConnection redis) throws DataAccessException {
            return redis.scan(options);
        }
    });
}

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