Example usage for org.springframework.data.redis.core RedisCallback RedisCallback

Introduction

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

Prototype

RedisCallback

Source Link

Usage

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

public Set<TypedTuple<V>> rangeByScoreWithScores(K key, final double min, final double max) {
    final byte[] rawKey = rawKey(key);

    Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {

        public Set<Tuple> doInRedis(RedisConnection connection) {
            connection.select(dbIndex);//from  ww  w .j av  a 2s  . c o  m
            return connection.zRangeByScoreWithScores(rawKey, min, max);
        }
    }, true);

    return deserializeTupleValues(rawValues);
}

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

/**
 * Get the value of {@code key}./*from ww  w  . j a  v  a 2  s  .  c  om*/
 * <p>
 * See http://redis.io/commands/get
 * 
 * @param <T> return object type
 * @param key must not be {@literal null}.
 * @param clazz clazz
 * @return value
*/
public <T> T getObject4Json(byte[] key, Class<T> clazz) {
    return redisTemplate.execute(new RedisCallback<T>() {
        @Override
        public T doInRedis(RedisConnection redis) throws DataAccessException {
            //                return callback.transfer(redis.get(key));
            byte[] value = redis.get(key);
            if (value == null) {
                return null;
            }
            return JsonUtils.toObject(new String(value), clazz);
        }
    });
}

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

public void set(K key, final V value, final long offset) {
    final byte[] rawKey = rawKey(key);
    final byte[] rawValue = rawValue(value);

    execute(new RedisCallback<Object>() {

        public Object doInRedis(RedisConnection connection) {
            connection.select(dbIndex);//from  w ww.  j  ava2 s .co  m
            connection.setRange(rawKey, rawValue, offset);
            return null;
        }
    }, true);
}

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

public Long size(K key) {
    final byte[] rawKey = rawKey(key);
    return execute(new RedisCallback<Long>() {

        public Long doInRedis(RedisConnection connection) {
            connection.select(dbIndex);//from w ww  .j a v a2 s.c  o m
            return connection.sCard(rawKey);
        }
    }, true);
}

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

/**
 * Get the value of {@code key}./*from   w ww.jav  a  2 s.  c  o  m*/
 * <p>
 * See http://redis.io/commands/get
 * 
 * @param <T> return object type
 * @param key must not be {@literal null}.
 * @param clazz clazz
 * @return value
*/
public static <T> List<T> getList4Json(byte[] key, Class<T> clazz) {
    return redisTemplate.execute(new RedisCallback<List<T>>() {
        @Override
        public List<T> doInRedis(RedisConnection redis) throws DataAccessException {
            //                return callback.transfer(redis.get(key));
            byte[] value = redis.get(key);
            if (value == null) {
                return null;
            }
            return JsonUtils.toList(new String(value), clazz);
        }
    });
}

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

public Set<TypedTuple<V>> rangeByScoreWithScores(K key, final double min, final double max, final long offset,
        final long count) {
    final byte[] rawKey = rawKey(key);

    Set<Tuple> rawValues = execute(new RedisCallback<Set<Tuple>>() {

        public Set<Tuple> doInRedis(RedisConnection connection) {
            connection.select(dbIndex);//from w  ww  .  j av  a 2  s .  c  o m
            return connection.zRangeByScoreWithScores(rawKey, min, max, offset, count);
        }
    }, true);

    return deserializeTupleValues(rawValues);
}

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

@Override
public Cursor<Entry<HK, HV>> scan(K key, final ScanOptions options) {

    final byte[] rawKey = rawKey(key);
    return execute(new RedisCallback<Cursor<Map.Entry<HK, HV>>>() {

        @Override/*from  w  ww  . ja  va2 s  .co  m*/
        public Cursor<Entry<HK, HV>> doInRedis(RedisConnection connection) throws DataAccessException {

            return new ConvertingCursor<Map.Entry<byte[], byte[]>, Map.Entry<HK, HV>>(
                    connection.hScan(rawKey, options),
                    new Converter<Map.Entry<byte[], byte[]>, Map.Entry<HK, HV>>() {

                        @Override
                        public Entry<HK, HV> convert(final Entry<byte[], byte[]> source) {

                            return new Map.Entry<HK, HV>() {

                                @Override
                                public HK getKey() {
                                    return deserializeHashKey(source.getKey());
                                }

                                @Override
                                public HV getValue() {
                                    return deserializeHashValue(source.getValue());
                                }

                                @Override
                                public HV setValue(HV value) {
                                    throw new UnsupportedOperationException(
                                            "Values cannot be set when scanning through entries.");
                                }
                            };

                        }
                    });
        }

    }, true);

}

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

public Long size(K key) {
    final byte[] rawKey = rawKey(key);

    return execute(new RedisCallback<Long>() {

        public Long doInRedis(RedisConnection connection) {
            connection.select(dbIndex);/*www  .  j  ava  2 s.c o  m*/
            return connection.strLen(rawKey);
        }
    }, true);
}

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

public Set<V> union(K key, Collection<K> otherKeys) {
    final byte[][] rawKeys = rawKeys(key, otherKeys);
    Set<byte[]> rawValues = execute(new RedisCallback<Set<byte[]>>() {

        public Set<byte[]> doInRedis(RedisConnection connection) {
            connection.select(dbIndex);//  w w w  . j ava2  s . c o  m
            return connection.sUnion(rawKeys);
        }
    }, true);

    return deserializeValues(rawValues);
}

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

/**
 * Get the value of {@code key}./*  w  ww.j  a v a2 s  .  c o m*/
 * <p>
 * See http://redis.io/commands/get
 * 
 * @param <T> return object type
 * @param key must not be {@literal null}.
 * @param clazz clazz
 * @return value
*/
public <T> List<T> getList4Json(byte[] key, Class<T> clazz) {
    return redisTemplate.execute(new RedisCallback<List<T>>() {
        @Override
        public List<T> doInRedis(RedisConnection redis) throws DataAccessException {
            //                return callback.transfer(redis.get(key));
            byte[] value = redis.get(key);
            if (value == null) {
                return null;
            }
            return JsonUtils.toList(new String(value), clazz);
        }
    });
}