Example usage for org.springframework.data.redis.core RedisOperations opsForSet

Introduction

In this page you can find the example usage for org.springframework.data.redis.core RedisOperations opsForSet.

Prototype

SetOperations<K, V> opsForSet();

Source Link

Document

Returns the operations performed on set values.

Usage

From source file:com.mauersu.util.redis.DefaultBoundSetOperations.java

/**
 * Constructs a new <code>DefaultBoundSetOperations</code> instance.
 * //  w  w  w .j a va 2s . c  om
 * @param key
 * @param operations
 */
DefaultBoundSetOperations(K key, RedisOperations<K, V> operations) {
    super(key, operations);
    this.ops = operations.opsForSet();
}

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From source file:com.company.project.service.dao.RedisDao.java

/**
 * 4.9. Redis Transactions - http://docs.spring.io/spring-data/redis/docs/current/reference/html/
 * Add value to set. Utilize Session Callback
 * @param key//from  w  w w .  ja v a  2 s .c o  m
 * @param value
 * @return 
 */
public long addUsingOpsForSetUsingSesssionCallback(final String key, final Object value) {
    //execute a transaction
    List<Object> txResults = redisTemplate.execute(new SessionCallback<List<Object>>() {
        @Override
        public List<Object> execute(RedisOperations operations) throws DataAccessException {
            operations.multi();
            operations.opsForSet().add(key, value);

            // This will contain the results of all ops in the transaction
            return operations.exec();
        }
    });

    if (txResults != null && !txResults.isEmpty()) {
        System.out.println("Number of items added to set: " + txResults.get(0));
        try {
            int itemsAdded = Integer.parseInt("" + txResults.get(0));
            return itemsAdded;
        } catch (NumberFormatException nfe) {
            nfe.printStackTrace();
        }
    }

    return 0;
}

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