<?php
use AdammBalogh\KeyValueStore\KeyValueStore;
use AdammBalogh\KeyValueStore\Adapter\RedisAdapter as Adapter;
use Predis\Client as RedisClient;

$redisClient = new RedisClient();

$adapter = new Adapter($redisClient);

$kvs = new KeyValueStore($adapter);

$kvs->set('sample_key', 'Sample value');
$kvs->get('sample_key');

/**
 * @param string $key
 *
 * @return bool True if the deletion was successful, false if the deletion was unsuccessful.
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
public function delete($key);

/**
 * @param string $key
 * @param int $seconds
 *
 * @return bool True if the timeout was set, false if the timeout could not be set.
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
public function expire($key, $seconds);

/**
 * @return array
 *
 * @throws InternalException
 */
public function getKeys();

/**
 * Returns the remaining time to live of a key that has a timeout.
 *
 * @param string $key
 *
 * @return int Ttl in seconds
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function getTtl($key);

/**
 * @param string $key
 *
 * @return bool True if the key does exist, false if the key does not exist.
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
public function has($key);

/**
 * Remove the existing timeout on key, turning the key from volatile (a key with an expire set)
 * to persistent (a key that will never expire as no timeout is associated).
 *
 * @param string $key
 *
 * @return bool True if the persist was success, false if the persis was unsuccessful.
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
    public function persist($key);

/**
 * @param string $key
 * @param string $value
 *
 * @return int The length of the string after the append operation.
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function append($key, $value);

/**
 * @param string $key
 *
 * @return int The value of key after the decrement
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function decrement($key);

/**
 * @param string $key
 * @param int $decrement
 *
 * @return int The value of key after the decrement
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function decrementBy($key, $decrement);

/**
 * @param string $key
 *
 * @return string The value of the key
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function get($key);

/**
 * @param string $key
 *
 * @return int
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function getValueLength($key);

/**
 * @param string $key
 *
 * @return int The value of key after the increment
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function increment($key);

/**
 * @param string $key
 * @param int $increment
 *
 * @return int The value of key after the increment
 *
 * @throws \InvalidArgumentException
 * @throws KeyNotFoundException
 * @throws InternalException
 */
public function incrementBy($key, $increment);

/**
 * @param string $key
 * @param string $value
 *
 * @return bool True if the set was successful, false if it was unsuccessful
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
public function set($key, $value);

/**
 * @param string $key
 * @param string $value
 *
 * @return bool True if the set was successful, false if it was unsuccessful
 *
 * @throws \InvalidArgumentException
 * @throws InternalException
 */
public function setIfNotExists($key, $value);

/**
 * @return void
 *
 * @throws \AdammBalogh\KeyValueStore\Exception\InternalException
 */
public function flush();