Oefenweb /
cakephp-redis
| 1 | <?php |
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| 2 | App::uses('DataSource', 'Model/Datasource'); |
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| 3 | |||||
| 4 | /** |
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| 5 | * Redis Source class |
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| 6 | * |
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| 7 | */ |
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| 8 | class RedisSource extends DataSource { |
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| 9 | |||||
| 10 | /** |
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| 11 | * Datasource description. |
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| 12 | * |
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| 13 | * @var string |
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| 14 | */ |
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| 15 | public $description = 'Redis Data Source'; |
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| 16 | |||||
| 17 | /** |
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| 18 | * Base configuration. |
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| 19 | * |
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| 20 | * @var array |
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| 21 | */ |
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| 22 | protected $_baseConfig = [ |
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| 23 | 'host' => '127.0.0.1', |
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| 24 | 'port' => 6379, |
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| 25 | 'password' => '', |
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| 26 | 'database' => 0, |
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| 27 | 'timeout' => 0, |
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| 28 | 'persistent' => false, |
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| 29 | 'unix_socket' => '', |
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| 30 | 'prefix' => '', |
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| 31 | ]; |
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| 32 | |||||
| 33 | /** |
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| 34 | * Configuration. |
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| 35 | * |
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| 36 | * @var array |
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| 37 | */ |
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| 38 | public $config = []; |
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| 39 | |||||
| 40 | /** |
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| 41 | * A reference to the physical connection of this DataSource. |
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| 42 | * |
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| 43 | * @var Redis |
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| 44 | */ |
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| 45 | protected $_connection = null; |
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| 46 | |||||
| 47 | /** |
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| 48 | * Whether or not we are connected to the DataSource. |
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| 49 | * |
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| 50 | * @var bool |
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| 51 | */ |
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| 52 | public $connected = false; |
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| 53 | |||||
| 54 | /** |
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| 55 | * Whether or not source data like available tables and schema descriptions should be cached. |
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| 56 | * |
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| 57 | * @var bool |
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| 58 | */ |
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| 59 | public $cacheSources = false; |
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| 60 | |||||
| 61 | /** |
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| 62 | * Constructor. |
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| 63 | * |
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| 64 | * @param array $config Array of configuration information for the Datasource |
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| 65 | * @return bool True if connecting to the DataSource succeeds, else false |
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| 66 | * @throws RedisSourceException |
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| 67 | */ |
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| 68 | public function __construct($config = []) { |
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| 69 | parent::__construct($config); |
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| 70 | |||||
| 71 | if (!$this->enabled()) { |
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| 72 | throw new RedisSourceException(__d('redis', 'Extension is not loaded.')); |
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| 73 | } |
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| 74 | |||||
| 75 | $this->_connection = new Redis(); |
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| 76 | |||||
| 77 | return $this->connect(); |
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| 78 | } |
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| 79 | |||||
| 80 | /** |
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| 81 | * Destructor. |
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| 82 | * |
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| 83 | * Closes the connection to the host (if needed). |
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| 84 | * |
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| 85 | * @return void |
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| 86 | * @todo Write test |
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| 87 | */ |
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| 88 | public function __destruct() { |
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| 89 | if (!$this->config['persistent']) { |
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| 90 | $this->close(); |
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| 91 | } |
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| 92 | } |
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| 93 | |||||
| 94 | /** |
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| 95 | * Passes (non-existing) method calls to `Redis`. |
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| 96 | * |
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| 97 | * @param string $name The name of the method being called |
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| 98 | * @param array $arguments An enumerated array containing the parameters passed to the method |
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| 99 | * @return mixed Method return value |
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| 100 | * @throws RedisSourceException |
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| 101 | */ |
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| 102 | public function __call($name, $arguments) { |
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| 103 | if (!method_exists($this->_connection, $name)) { |
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| 104 | throw new RedisSourceException(__d('redis', 'Method (%s) does not exist.', $name)); |
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| 105 | } |
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| 106 | |||||
| 107 | try { |
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| 108 | return call_user_func_array([$this->_connection, $name], $arguments); |
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| 109 | } catch (RedisException $e) { |
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| 110 | throw new RedisSourceException(__d('redis', 'Method (%s) failed: %s.', $name, $e->getMessage())); |
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| 111 | } |
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| 112 | } |
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| 113 | |||||
| 114 | /** |
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| 115 | * Check that the redis extension is loaded. |
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| 116 | * |
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| 117 | * @return bool Whether or not the extension is loaded |
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| 118 | */ |
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| 119 | public function enabled() { |
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| 120 | return extension_loaded('redis'); |
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| 121 | } |
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| 122 | |||||
| 123 | /** |
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| 124 | * Connects to the database using options in the given configuration array. |
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| 125 | * |
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| 126 | * "Connects" means: |
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| 127 | * - connect |
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| 128 | * - authenticate |
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| 129 | * - select |
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| 130 | * - setPrefix |
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| 131 | * |
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| 132 | * @return bool True if all of the above steps succeed, else false |
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| 133 | * @throws RedisSourceException |
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| 134 | */ |
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| 135 | public function connect() { |
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| 136 | if (!$this->_connect()) { |
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| 137 | throw new RedisSourceException(__d('redis', 'Could not connect.')); |
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| 138 | } |
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| 139 | |||||
| 140 | if (!$this->_authenticate()) { |
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| 141 | throw new RedisSourceException(__d('redis', 'Could not authenticate.')); |
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| 142 | } |
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| 143 | |||||
| 144 | if (!$this->_select()) { |
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| 145 | throw new RedisSourceException(__d('redis', 'Could not select.')); |
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| 146 | } |
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| 147 | |||||
| 148 | if (!$this->_setPrefix()) { |
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| 149 | throw new RedisSourceException(__d('redis', 'Could not set prefix.')); |
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| 150 | } |
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| 151 | |||||
| 152 | $this->connected = true; |
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| 153 | |||||
| 154 | return $this->connected; |
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| 155 | } |
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| 156 | |||||
| 157 | /** |
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| 158 | * Connects to the database using options in the given configuration array. |
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| 159 | * |
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| 160 | * @return bool True if connecting to the DataSource succeeds, else false |
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| 161 | */ |
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| 162 | protected function _connect() { |
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| 163 | $unixSocket = $this->config['unix_socket']; |
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| 164 | $persistent = $this->config['persistent']; |
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| 165 | $host = $this->config['host']; |
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| 166 | $port = $this->config['port']; |
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| 167 | $timeout = $this->config['timeout']; |
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| 168 | |||||
| 169 | if ($unixSocket) { |
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| 170 | return $this->_connection->connect($unixSocket); |
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| 171 | } elseif ($persistent) { |
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| 172 | return $this->_connection->pconnect($host, $port, $timeout, $persistent); |
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| 173 | } else { |
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| 174 | return $this->_connection->connect($host, $port, $timeout); |
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| 175 | } |
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| 176 | } |
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| 177 | |||||
| 178 | /** |
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| 179 | * Authenticates to the database (if needed) using options in the given configuration array. |
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| 180 | * |
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| 181 | * @return bool True if the authentication succeeded or no password was specified, else false |
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| 182 | */ |
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| 183 | protected function _authenticate() { |
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| 184 | if ($this->config['password']) { |
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| 185 | return $this->_connection->auth($this->config['password']); |
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| 186 | } |
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| 187 | |||||
| 188 | return true; |
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| 189 | } |
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| 190 | |||||
| 191 | /** |
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| 192 | * Selects a database (if needed) using options in the given configuration array. |
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| 193 | * |
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| 194 | * @return bool True if the select succeeded or no database was specified, else false |
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| 195 | */ |
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| 196 | protected function _select() { |
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| 197 | if ($this->config['database']) { |
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| 198 | return $this->_connection->select($this->config['database']); |
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| 199 | } |
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| 200 | |||||
| 201 | return true; |
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| 202 | } |
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| 203 | |||||
| 204 | /** |
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| 205 | * Sets a prefix for all keys (if needed) using options in the given configuration array. |
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| 206 | * |
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| 207 | * @return bool True if setting the prefix succeeded or no prefix was specified, else false |
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| 208 | */ |
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| 209 | protected function _setPrefix() { |
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| 210 | if ($this->config['prefix']) { |
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| 211 | return $this->_connection->setOption(Redis::OPT_PREFIX, $this->config['prefix']); |
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| 212 | } |
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| 213 | |||||
| 214 | return true; |
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| 215 | } |
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| 216 | |||||
| 217 | /** |
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| 218 | * Closes a connection. |
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| 219 | * |
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| 220 | * @return bool Always true |
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| 221 | */ |
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| 222 | public function close() { |
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| 223 | if ($this->isConnected()) { |
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| 224 | $this->_connection->close(); |
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| 225 | } |
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| 226 | |||||
| 227 | $this->connected = false; |
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| 228 | $this->_connection = null; |
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| 229 | |||||
| 230 | return true; |
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| 231 | } |
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| 232 | |||||
| 233 | /** |
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| 234 | * Checks if the source is connected to the database. |
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| 235 | * |
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| 236 | * @return bool True if the database is connected, else false |
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| 237 | */ |
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| 238 | public function isConnected() { |
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| 239 | return $this->connected; |
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| 240 | } |
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| 241 | |||||
| 242 | /** |
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| 243 | * Caches/returns cached results for child instances. |
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| 244 | * |
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| 245 | * @param mixed $data List of tables |
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| 246 | * @return array Array of sources available in this datasource |
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| 247 | */ |
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| 248 | public function listSources($data = null) { |
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| 249 | return parent::listSources($data); |
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| 250 | } |
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| 251 | |||||
| 252 | /** |
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| 253 | * Returns a Model description (metadata) or null if none found. |
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| 254 | * |
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| 255 | * @param Model|string $model Name of database table to inspect or model instance |
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Model was not found. Maybe you did not declare it correctly or list all dependencies?
The issue could also be caused by a filter entry in the build configuration.
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| 256 | * @return array Array of Metadata for the $model |
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| 257 | */ |
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| 258 | public function describe($model) { |
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| 259 | return parent::describe($model); |
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| 260 | } |
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| 261 | |||||
| 262 | } |
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| 263 | |||||
| 264 | /** |
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| 265 | * Redis Source Exception class. |
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| 266 | * |
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| 267 | */ |
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| 268 | class RedisSourceException extends CakeException { |
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CakeException was not found. Maybe you did not declare it correctly or list all dependencies?
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| 269 | } |
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| 270 |
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths