/**
     * Return the value from the couch cluster
     *
     * @param $bucket
     * @param $key
     * @return array|bool
     */
    function getItemFromCache($bucket, $key)
    {
        $cluster = $this->couch;
        $bucket = $cluster->openBucket($bucket);

        try {
            $countries= $bucket->get($key);
            return (array)$countries->value;
        } catch (Exception $e) {
            return false;
        }
    }

    /**
     * Save item to couch cluster
     *
     * @param $bucket
     * @param $key
     * @param $item
     * @param array $options
     * @return bool
     * @internal param array
     */
    function storeItemToCache($bucket, $key, $item, $options=array() )
    {
        $cluster = $this->couch;
        $bucket = $cluster->openBucket($bucket);

        return $bucket->upsert($key, $item, $options);
    }


    /**
     * Couch Counter Return the value and increment in the same time
     *
     * @param $bucket
     * @param $key
     * @param int $step
     * @param array $options
     * @return mixed
     */
    function counterToCache($bucket, $key, $step = 1, $options=array('initial' => 1) )
    {
        $cluster = $this->couch;
        $bucket = $cluster->openBucket($bucket);

        return $bucket->counter($key, $step, $options)->value;
    }


    /**
     * Return the value of a counter
     *
     * @param $bucket
     * @param $key
     * @return bool
     */
    function getCounterFromCache($bucket, $key )
    {
        $cluster = $this->couch;
        $bucket = $cluster->openBucket($bucket);

        try {
            return $bucket->get($key)->value;
        } catch (Exception $e) {
            return false;
        }
    }

    /**
     * Delete the value from the couch cluster
     *
     * @param $bucket
     * @param $key
     * @return bool
     */
    function deleteItemFromCache($bucket, $key)
    {
        $cluster = $this->couch;
        $bucket = $cluster->openBucket($bucket);

        return $bucket->remove($key);
    }