1 <?php

2 namespace TYPO3\CMS\Extbase\Persistence\Generic;

3 

16 use TYPO3\CMS\Extbase\Persistence\QueryResultInterface;

17 

23 class QueryResult implements QueryResultInterface {

24 

29  protected $dataMapper;

30 

35  protected $persistenceManager;

36 

40  protected $numberOfResults;

41 

45  protected $query;

46 

51  protected $queryResult;

52 

58  public function __construct(\TYPO3\CMS\Extbase\Persistence\QueryInterface $query) {

59  $this->query = $query;

60  }

61 

67  protected function initialize() {

68  if (!is_array($this->queryResult)) {

69  $this->queryResult = $this->dataMapper->map($this->query->getType(), $this->persistenceManager->getObjectDataByQuery($this->query));

70  }

71  }

72 

79  public function getQuery() {

80  return clone $this->query;

81  }

82 

89  public function getFirst() {

90  if (is_array($this->queryResult)) {

91  $queryResult = $this->queryResult;

92  reset($queryResult);

93  } else {

94  $query = $this->getQuery();

95  $query->setLimit(1);

96  $queryResult = $this->dataMapper->map($query->getType(), $this->persistenceManager->getObjectDataByQuery($query));

97  }

98  $firstResult = current($queryResult);

99  if ($firstResult === FALSE) {

100  $firstResult = NULL;

101  }

102  return $firstResult;

103  }

104 

111  public function count() {

112  if ($this->numberOfResults === NULL) {

113  if (is_array($this->queryResult)) {

114  $this->numberOfResults = count($this->queryResult);

115  } else {

116  $this->numberOfResults = $this->persistenceManager->getObjectCountByQuery($this->query);

117  }

118  }

119  return $this->numberOfResults;

120  }

121 

128  public function toArray() {

129  $this->initialize();

130  return iterator_to_array($this);

131  }

132 

141  public function offsetExists($offset) {

142  $this->initialize();

143  return isset($this->queryResult[$offset]);

144  }

145 

151  public function offsetGet($offset) {

152  $this->initialize();

153  return isset($this->queryResult[$offset]) ? $this->queryResult[$offset] : NULL;

154  }

155 

164  public function offsetSet($offset, $value) {

165  $this->initialize();

166  $this->queryResult[$offset] = $value;

167  }

168 

176  public function offsetUnset($offset) {

177  $this->initialize();

178  unset($this->queryResult[$offset]);

179  }

180 

185  public function current() {

186  $this->initialize();

187  return current($this->queryResult);

188  }

189 

194  public function key() {

195  $this->initialize();

196  return key($this->queryResult);

197  }

198 

203  public function next() {

204  $this->initialize();

205  next($this->queryResult);

206  }

207 

212  public function rewind() {

213  $this->initialize();

214  reset($this->queryResult);

215  }

216 

221  public function valid() {

222  $this->initialize();

223  return current($this->queryResult) !== FALSE;

224  }

225 

229  public function __wakeup() {

230  $objectManager = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\Object\\ObjectManager');

231  $this->persistenceManager = $objectManager->get('TYPO3\\CMS\\Extbase\\Persistence\\PersistenceManagerInterface');

232  $this->dataMapper = $objectManager->get('TYPO3\\CMS\\Extbase\\Persistence\\Generic\\Mapper\\DataMapper');

233  }

234 

238  public function __sleep() {

239  return array('query');

240  }

241 }