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

Introduction

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

Prototype

@Nullable
Boolean set(byte[] key, byte[] value);

Source Link

Document

Set value for key .

Usage

From source file:org.springframework.data.redis.cache.RedisCache.java

public void clear() {
    // need to del each key individually
    template.execute(new RedisCallback<Object>() {
        public Object doInRedis(RedisConnection connection) throws DataAccessException {
            // another clear is on-going
            if (connection.exists(cacheLockName)) {
                return null;
            }// w ww .jav  a  2s.co  m

            try {
                connection.set(cacheLockName, cacheLockName);

                int offset = 0;
                boolean finished = false;

                do {
                    // need to paginate the keys
                    Set<byte[]> keys = connection.zRange(setName, (offset) * PAGE_SIZE,
                            (offset + 1) * PAGE_SIZE - 1);
                    finished = keys.size() < PAGE_SIZE;
                    offset++;
                    if (!keys.isEmpty()) {
                        connection.del(keys.toArray(new byte[keys.size()][]));
                    }
                } while (!finished);

                connection.del(setName);
                return null;

            } finally {
                connection.del(cacheLockName);
            }
        }
    }, true);
}

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