doctrine /
mongodb-odm
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like DocumentPersister often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DocumentPersister, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 45 | class DocumentPersister |
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| 46 | { |
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| 47 | /** |
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| 48 | * The PersistenceBuilder instance. |
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| 49 | * |
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| 50 | * @var PersistenceBuilder |
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| 51 | */ |
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| 52 | private $pb; |
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| 53 | |||
| 54 | /** |
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| 55 | * The DocumentManager instance. |
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| 56 | * |
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| 57 | * @var DocumentManager |
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| 58 | */ |
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| 59 | private $dm; |
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| 60 | |||
| 61 | /** |
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| 62 | * The EventManager instance |
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| 63 | * |
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| 64 | * @var EventManager |
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| 65 | */ |
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| 66 | private $evm; |
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| 67 | |||
| 68 | /** |
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| 69 | * The UnitOfWork instance. |
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| 70 | * |
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| 71 | * @var UnitOfWork |
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| 72 | */ |
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| 73 | private $uow; |
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| 74 | |||
| 75 | /** |
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| 76 | * The ClassMetadata instance for the document type being persisted. |
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| 77 | * |
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| 78 | * @var ClassMetadata |
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| 79 | */ |
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| 80 | private $class; |
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| 81 | |||
| 82 | /** |
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| 83 | * The MongoCollection instance for this document. |
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| 84 | * |
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| 85 | * @var \MongoCollection |
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| 86 | */ |
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| 87 | private $collection; |
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| 88 | |||
| 89 | /** |
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| 90 | * Array of queued inserts for the persister to insert. |
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| 91 | * |
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| 92 | * @var array |
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| 93 | */ |
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| 94 | private $queuedInserts = array(); |
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| 95 | |||
| 96 | /** |
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| 97 | * Array of queued inserts for the persister to insert. |
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| 98 | * |
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| 99 | * @var array |
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| 100 | */ |
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| 101 | private $queuedUpserts = array(); |
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| 102 | |||
| 103 | /** |
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| 104 | * The CriteriaMerger instance. |
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| 105 | * |
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| 106 | * @var CriteriaMerger |
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| 107 | */ |
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| 108 | private $cm; |
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| 109 | |||
| 110 | /** |
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| 111 | * The CollectionPersister instance. |
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| 112 | * |
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| 113 | * @var CollectionPersister |
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| 114 | */ |
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| 115 | private $cp; |
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| 116 | |||
| 117 | /** |
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| 118 | * Initializes a new DocumentPersister instance. |
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| 119 | * |
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| 120 | * @param PersistenceBuilder $pb |
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| 121 | * @param DocumentManager $dm |
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| 122 | * @param EventManager $evm |
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| 123 | * @param UnitOfWork $uow |
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| 124 | * @param HydratorFactory $hydratorFactory |
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| 125 | * @param ClassMetadata $class |
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| 126 | */ |
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| 127 | 676 | public function __construct(PersistenceBuilder $pb, DocumentManager $dm, EventManager $evm, UnitOfWork $uow, HydratorFactory $hydratorFactory, ClassMetadata $class, CriteriaMerger $cm = null) |
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| 128 | { |
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| 129 | 676 | $this->pb = $pb; |
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| 130 | 676 | $this->dm = $dm; |
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| 131 | 676 | $this->evm = $evm; |
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| 132 | 676 | $this->cm = $cm ?: new CriteriaMerger(); |
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| 133 | 676 | $this->uow = $uow; |
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| 134 | 676 | $this->hydratorFactory = $hydratorFactory; |
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| 135 | 676 | $this->class = $class; |
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| 136 | 676 | $this->collection = $dm->getDocumentCollection($class->name); |
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| 137 | 676 | $this->cp = $this->uow->getCollectionPersister(); |
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| 138 | 676 | } |
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| 139 | |||
| 140 | /** |
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| 141 | * @return array |
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| 142 | */ |
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| 143 | public function getInserts() |
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| 144 | { |
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| 145 | return $this->queuedInserts; |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * @param object $document |
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| 150 | * @return bool |
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| 151 | */ |
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| 152 | public function isQueuedForInsert($document) |
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| 153 | { |
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| 154 | return isset($this->queuedInserts[spl_object_hash($document)]); |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * Adds a document to the queued insertions. |
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| 159 | * The document remains queued until {@link executeInserts} is invoked. |
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| 160 | * |
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| 161 | * @param object $document The document to queue for insertion. |
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| 162 | */ |
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| 163 | 479 | public function addInsert($document) |
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| 164 | { |
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| 165 | 479 | $this->queuedInserts[spl_object_hash($document)] = $document; |
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| 166 | 479 | } |
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| 167 | |||
| 168 | /** |
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| 169 | * @return array |
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| 170 | */ |
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| 171 | public function getUpserts() |
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| 172 | { |
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| 173 | return $this->queuedUpserts; |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | * @param object $document |
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| 178 | * @return boolean |
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| 179 | */ |
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| 180 | public function isQueuedForUpsert($document) |
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| 181 | { |
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| 182 | return isset($this->queuedUpserts[spl_object_hash($document)]); |
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| 183 | } |
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| 184 | |||
| 185 | /** |
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| 186 | * Adds a document to the queued upserts. |
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| 187 | * The document remains queued until {@link executeUpserts} is invoked. |
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| 188 | * |
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| 189 | * @param object $document The document to queue for insertion. |
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| 190 | */ |
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| 191 | 76 | public function addUpsert($document) |
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| 192 | { |
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| 193 | 76 | $this->queuedUpserts[spl_object_hash($document)] = $document; |
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| 194 | 76 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * Gets the ClassMetadata instance of the document class this persister is used for. |
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| 198 | * |
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| 199 | * @return ClassMetadata |
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| 200 | */ |
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| 201 | public function getClassMetadata() |
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| 202 | { |
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| 203 | return $this->class; |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * Executes all queued document insertions. |
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| 208 | * |
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| 209 | * Queued documents without an ID will inserted in a batch and queued |
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| 210 | * documents with an ID will be upserted individually. |
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| 211 | * |
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| 212 | * If no inserts are queued, invoking this method is a NOOP. |
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| 213 | * |
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| 214 | * @param array $options Options for batchInsert() and update() driver methods |
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| 215 | */ |
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| 216 | 479 | public function executeInserts(array $options = array()) |
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| 217 | { |
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| 218 | 479 | if ( ! $this->queuedInserts) { |
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| 219 | return; |
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| 220 | } |
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| 221 | |||
| 222 | 479 | $inserts = array(); |
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| 223 | 479 | foreach ($this->queuedInserts as $oid => $document) { |
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| 224 | 479 | $data = $this->pb->prepareInsertData($document); |
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| 225 | |||
| 226 | // Set the initial version for each insert |
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| 227 | 478 | View Code Duplication | if ($this->class->isVersioned) { |
| 228 | 38 | $versionMapping = $this->class->fieldMappings[$this->class->versionField]; |
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| 229 | 38 | if ($versionMapping['type'] === 'int') { |
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| 230 | 36 | $nextVersion = max(1, (int) $this->class->reflFields[$this->class->versionField]->getValue($document)); |
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| 231 | 36 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion); |
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| 232 | 38 | } elseif ($versionMapping['type'] === 'date') { |
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| 233 | 2 | $nextVersionDateTime = new \DateTime(); |
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| 234 | 2 | $nextVersion = new \MongoDate($nextVersionDateTime->getTimestamp()); |
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| 235 | 2 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersionDateTime); |
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| 236 | 2 | } |
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| 237 | 38 | $data[$versionMapping['name']] = $nextVersion; |
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| 238 | 38 | } |
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| 239 | |||
| 240 | 478 | $inserts[$oid] = $data; |
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| 241 | 478 | } |
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| 242 | |||
| 243 | 478 | if ($inserts) { |
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| 244 | try { |
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| 245 | 478 | $this->collection->batchInsert($inserts, $options); |
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| 246 | 478 | } catch (\MongoException $e) { |
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| 247 | 7 | $this->queuedInserts = array(); |
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| 248 | 7 | throw $e; |
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| 249 | } |
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| 250 | 478 | } |
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| 251 | |||
| 252 | /* All collections except for ones using addToSet have already been |
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| 253 | * saved. We have left these to be handled separately to avoid checking |
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| 254 | * collection for uniqueness on PHP side. |
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| 255 | */ |
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| 256 | 478 | foreach ($this->queuedInserts as $document) { |
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| 257 | 478 | $this->handleCollections($document, $options); |
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| 258 | 478 | } |
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| 259 | |||
| 260 | 478 | $this->queuedInserts = array(); |
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| 261 | 478 | } |
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| 262 | |||
| 263 | /** |
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| 264 | * Executes all queued document upserts. |
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| 265 | * |
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| 266 | * Queued documents with an ID are upserted individually. |
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| 267 | * |
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| 268 | * If no upserts are queued, invoking this method is a NOOP. |
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| 269 | * |
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| 270 | * @param array $options Options for batchInsert() and update() driver methods |
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| 271 | */ |
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| 272 | 76 | public function executeUpserts(array $options = array()) |
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| 273 | { |
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| 274 | 76 | if ( ! $this->queuedUpserts) { |
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| 275 | return; |
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| 276 | } |
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| 277 | |||
| 278 | 76 | foreach ($this->queuedUpserts as $oid => $document) { |
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| 279 | 76 | $data = $this->pb->prepareUpsertData($document); |
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| 280 | |||
| 281 | // Set the initial version for each upsert |
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| 282 | 76 | View Code Duplication | if ($this->class->isVersioned) { |
| 283 | 3 | $versionMapping = $this->class->fieldMappings[$this->class->versionField]; |
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| 284 | 3 | if ($versionMapping['type'] === 'int') { |
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| 285 | 2 | $nextVersion = max(1, (int) $this->class->reflFields[$this->class->versionField]->getValue($document)); |
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| 286 | 2 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion); |
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| 287 | 3 | } elseif ($versionMapping['type'] === 'date') { |
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| 288 | 1 | $nextVersionDateTime = new \DateTime(); |
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| 289 | 1 | $nextVersion = new \MongoDate($nextVersionDateTime->getTimestamp()); |
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| 290 | 1 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersionDateTime); |
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| 291 | 1 | } |
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| 292 | 3 | $data['$set'][$versionMapping['name']] = $nextVersion; |
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| 293 | 3 | } |
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| 294 | |||
| 295 | try { |
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| 296 | 76 | $this->executeUpsert($data, $options); |
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| 297 | 76 | $this->handleCollections($document, $options); |
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| 298 | 76 | unset($this->queuedUpserts[$oid]); |
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| 299 | 76 | } catch (\MongoException $e) { |
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| 300 | unset($this->queuedUpserts[$oid]); |
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| 301 | throw $e; |
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| 302 | } |
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| 303 | 76 | } |
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| 304 | 76 | } |
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| 305 | |||
| 306 | /** |
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| 307 | * Executes a single upsert in {@link executeInserts} |
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| 308 | * |
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| 309 | * @param array $data |
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| 310 | * @param array $options |
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| 311 | */ |
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| 312 | 76 | private function executeUpsert(array $data, array $options) |
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| 313 | { |
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| 314 | 76 | $options['upsert'] = true; |
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| 315 | 76 | $criteria = array('_id' => $data['$set']['_id']); |
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| 316 | 76 | unset($data['$set']['_id']); |
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| 317 | |||
| 318 | // Do not send an empty $set modifier |
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| 319 | 76 | if (empty($data['$set'])) { |
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| 320 | 13 | unset($data['$set']); |
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| 321 | 13 | } |
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| 322 | |||
| 323 | /* If there are no modifiers remaining, we're upserting a document with |
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| 324 | * an identifier as its only field. Since a document with the identifier |
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| 325 | * may already exist, the desired behavior is "insert if not exists" and |
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| 326 | * NOOP otherwise. MongoDB 2.6+ does not allow empty modifiers, so $set |
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| 327 | * the identifier to the same value in our criteria. |
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| 328 | * |
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| 329 | * This will fail for versions before MongoDB 2.6, which require an |
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| 330 | * empty $set modifier. The best we can do (without attempting to check |
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| 331 | * server versions in advance) is attempt the 2.6+ behavior and retry |
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| 332 | * after the relevant exception. |
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| 333 | * |
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| 334 | * See: https://jira.mongodb.org/browse/SERVER-12266 |
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| 335 | */ |
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| 336 | 76 | if (empty($data)) { |
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| 337 | 13 | $retry = true; |
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| 338 | 14 | $data = array('$set' => array('_id' => $criteria['_id'])); |
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| 339 | 13 | } |
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| 340 | |||
| 341 | try { |
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| 342 | 76 | $this->collection->update($criteria, $data, $options); |
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| 343 | 64 | return; |
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| 344 | 13 | } catch (\MongoCursorException $e) { |
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| 345 | 13 | if (empty($retry) || strpos($e->getMessage(), 'Mod on _id not allowed') === false) { |
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| 346 | throw $e; |
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| 347 | } |
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| 348 | } |
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| 349 | |||
| 350 | 13 | $this->collection->update($criteria, array('$set' => new \stdClass), $options); |
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| 351 | 13 | } |
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| 352 | |||
| 353 | /** |
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| 354 | * Updates the already persisted document if it has any new changesets. |
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| 355 | * |
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| 356 | * @param object $document |
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| 357 | * @param array $options Array of options to be used with update() |
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| 358 | * @throws \Doctrine\ODM\MongoDB\LockException |
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| 359 | */ |
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| 360 | 211 | public function update($document, array $options = array()) |
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| 361 | { |
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| 362 | 211 | $id = $this->uow->getDocumentIdentifier($document); |
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| 363 | 211 | $update = $this->pb->prepareUpdateData($document); |
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| 364 | |||
| 365 | 211 | $id = $this->class->getDatabaseIdentifierValue($id); |
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| 366 | 211 | $query = array('_id' => $id); |
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| 367 | |||
| 368 | // Include versioning logic to set the new version value in the database |
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| 369 | // and to ensure the version has not changed since this document object instance |
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| 370 | // was fetched from the database |
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| 371 | 211 | if ($this->class->isVersioned) { |
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| 372 | 30 | $versionMapping = $this->class->fieldMappings[$this->class->versionField]; |
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| 373 | 30 | $currentVersion = $this->class->reflFields[$this->class->versionField]->getValue($document); |
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| 374 | 30 | if ($versionMapping['type'] === 'int') { |
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| 375 | 27 | $nextVersion = $currentVersion + 1; |
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| 376 | 27 | $update['$inc'][$versionMapping['name']] = 1; |
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| 377 | 27 | $query[$versionMapping['name']] = $currentVersion; |
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| 378 | 27 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion); |
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| 379 | 30 | } elseif ($versionMapping['type'] === 'date') { |
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| 380 | 3 | $nextVersion = new \DateTime(); |
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| 381 | 3 | $update['$set'][$versionMapping['name']] = new \MongoDate($nextVersion->getTimestamp()); |
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| 382 | 3 | $query[$versionMapping['name']] = new \MongoDate($currentVersion->getTimestamp()); |
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| 383 | 3 | $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion); |
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| 384 | 3 | } |
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| 385 | 30 | } |
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| 386 | |||
| 387 | 211 | if ( ! empty($update)) { |
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| 388 | // Include locking logic so that if the document object in memory is currently |
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| 389 | // locked then it will remove it, otherwise it ensures the document is not locked. |
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| 390 | 149 | if ($this->class->isLockable) { |
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| 391 | 11 | $isLocked = $this->class->reflFields[$this->class->lockField]->getValue($document); |
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| 392 | 11 | $lockMapping = $this->class->fieldMappings[$this->class->lockField]; |
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| 393 | 11 | if ($isLocked) { |
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| 394 | 2 | $update['$unset'] = array($lockMapping['name'] => true); |
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| 395 | 2 | } else { |
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| 396 | 9 | $query[$lockMapping['name']] = array('$exists' => false); |
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| 397 | } |
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| 398 | 11 | } |
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| 399 | |||
| 400 | 149 | $result = $this->collection->update($query, $update, $options); |
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| 401 | |||
| 402 | 149 | View Code Duplication | if (($this->class->isVersioned || $this->class->isLockable) && ! $result['n']) { |
| 403 | 5 | throw LockException::lockFailed($document); |
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| 404 | } |
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| 405 | 145 | } |
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| 406 | |||
| 407 | 207 | $this->handleCollections($document, $options); |
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| 408 | 207 | } |
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| 409 | |||
| 410 | /** |
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| 411 | * Removes document from mongo |
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| 412 | * |
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| 413 | * @param mixed $document |
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| 414 | * @param array $options Array of options to be used with remove() |
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| 415 | * @throws \Doctrine\ODM\MongoDB\LockException |
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| 416 | */ |
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| 417 | 28 | public function delete($document, array $options = array()) |
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| 418 | { |
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| 419 | 28 | $id = $this->uow->getDocumentIdentifier($document); |
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| 420 | 28 | $query = array('_id' => $this->class->getDatabaseIdentifierValue($id)); |
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| 421 | |||
| 422 | 28 | if ($this->class->isLockable) { |
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| 423 | 2 | $query[$this->class->lockField] = array('$exists' => false); |
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| 424 | 2 | } |
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| 425 | |||
| 426 | 28 | $result = $this->collection->remove($query, $options); |
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| 427 | |||
| 428 | 28 | View Code Duplication | if (($this->class->isVersioned || $this->class->isLockable) && ! $result['n']) { |
| 429 | 2 | throw LockException::lockFailed($document); |
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| 430 | } |
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| 431 | 26 | } |
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| 432 | |||
| 433 | /** |
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| 434 | * Refreshes a managed document. |
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| 435 | * |
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| 436 | * @param array $id The identifier of the document. |
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| 437 | * @param object $document The document to refresh. |
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| 438 | */ |
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| 439 | 20 | public function refresh($id, $document) |
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| 440 | { |
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| 441 | 20 | $data = $this->collection->findOne(array('_id' => $id)); |
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| 442 | 20 | $data = $this->hydratorFactory->hydrate($document, $data); |
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| 443 | 20 | $this->uow->setOriginalDocumentData($document, $data); |
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| 444 | 20 | } |
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| 445 | |||
| 446 | /** |
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| 447 | * Finds a document by a set of criteria. |
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| 448 | * |
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| 449 | * If a scalar or MongoId is provided for $criteria, it will be used to |
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| 450 | * match an _id value. |
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| 451 | * |
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| 452 | * @param mixed $criteria Query criteria |
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| 453 | * @param object $document Document to load the data into. If not specified, a new document is created. |
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| 454 | * @param array $hints Hints for document creation |
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| 455 | * @param integer $lockMode |
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| 456 | * @param array $sort Sort array for Cursor::sort() |
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| 457 | * @throws \Doctrine\ODM\MongoDB\LockException |
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| 458 | * @return object|null The loaded and managed document instance or null if no document was found |
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| 459 | * @todo Check identity map? loadById method? Try to guess whether $criteria is the id? |
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| 460 | */ |
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| 461 | 349 | public function load($criteria, $document = null, array $hints = array(), $lockMode = 0, array $sort = null) |
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| 462 | 1 | { |
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| 463 | // TODO: remove this |
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| 464 | 349 | if ($criteria === null || is_scalar($criteria) || $criteria instanceof \MongoId) { |
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| 465 | $criteria = array('_id' => $criteria); |
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| 466 | } |
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| 467 | |||
| 468 | 349 | $criteria = $this->prepareQueryOrNewObj($criteria); |
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| 469 | 349 | $criteria = $this->addDiscriminatorToPreparedQuery($criteria); |
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| 470 | 349 | $criteria = $this->addFilterToPreparedQuery($criteria); |
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| 471 | |||
| 472 | 349 | $cursor = $this->collection->find($criteria); |
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| 473 | |||
| 474 | 349 | if (null !== $sort) { |
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| 475 | 100 | $cursor->sort($this->prepareSortOrProjection($sort)); |
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| 476 | 100 | } |
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| 477 | |||
| 478 | 349 | $result = $cursor->getSingleResult(); |
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| 479 | |||
| 480 | 349 | if ($this->class->isLockable) { |
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| 481 | 1 | $lockMapping = $this->class->fieldMappings[$this->class->lockField]; |
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| 482 | 1 | if (isset($result[$lockMapping['name']]) && $result[$lockMapping['name']] === LockMode::PESSIMISTIC_WRITE) { |
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| 483 | 1 | throw LockException::lockFailed($result); |
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| 484 | } |
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| 485 | } |
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| 486 | |||
| 487 | 348 | return $this->createDocument($result, $document, $hints); |
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| 488 | } |
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| 489 | |||
| 490 | /** |
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| 491 | * Finds documents by a set of criteria. |
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| 492 | * |
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| 493 | * @param array $criteria Query criteria |
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| 494 | * @param array $sort Sort array for Cursor::sort() |
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| 495 | * @param integer|null $limit Limit for Cursor::limit() |
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| 496 | * @param integer|null $skip Skip for Cursor::skip() |
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| 497 | * @return Cursor |
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| 498 | */ |
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| 499 | 22 | public function loadAll(array $criteria = array(), array $sort = null, $limit = null, $skip = null) |
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| 500 | { |
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| 501 | 22 | $criteria = $this->prepareQueryOrNewObj($criteria); |
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| 502 | 22 | $criteria = $this->addDiscriminatorToPreparedQuery($criteria); |
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| 503 | 22 | $criteria = $this->addFilterToPreparedQuery($criteria); |
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| 504 | |||
| 505 | 22 | $baseCursor = $this->collection->find($criteria); |
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| 506 | 22 | $cursor = $this->wrapCursor($baseCursor); |
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| 507 | |||
| 508 | 22 | if (null !== $sort) { |
|
| 509 | 3 | $cursor->sort($sort); |
|
| 510 | 3 | } |
|
| 511 | |||
| 512 | 22 | if (null !== $limit) { |
|
| 513 | 2 | $cursor->limit($limit); |
|
| 514 | 2 | } |
|
| 515 | |||
| 516 | 22 | if (null !== $skip) { |
|
| 517 | 2 | $cursor->skip($skip); |
|
| 518 | 2 | } |
|
| 519 | |||
| 520 | 22 | return $cursor; |
|
| 521 | } |
||
| 522 | |||
| 523 | /** |
||
| 524 | * Wraps the supplied base cursor in the corresponding ODM class. |
||
| 525 | * |
||
| 526 | * @param CursorInterface $baseCursor |
||
| 527 | * @return Cursor |
||
| 528 | */ |
||
| 529 | 22 | private function wrapCursor(CursorInterface $baseCursor) |
|
| 533 | |||
| 534 | /** |
||
| 535 | * Checks whether the given managed document exists in the database. |
||
| 536 | * |
||
| 537 | * @param object $document |
||
| 538 | * @return boolean TRUE if the document exists in the database, FALSE otherwise. |
||
| 539 | */ |
||
| 540 | 3 | public function exists($document) |
|
| 541 | { |
||
| 542 | 3 | $id = $this->class->getIdentifierObject($document); |
|
| 543 | 3 | return (boolean) $this->collection->findOne(array('_id' => $id), array('_id')); |
|
| 544 | } |
||
| 545 | |||
| 546 | /** |
||
| 547 | * Locks document by storing the lock mode on the mapped lock field. |
||
| 548 | * |
||
| 549 | * @param object $document |
||
| 550 | * @param int $lockMode |
||
| 551 | */ |
||
| 552 | 5 | public function lock($document, $lockMode) |
|
| 553 | { |
||
| 554 | 5 | $id = $this->uow->getDocumentIdentifier($document); |
|
| 555 | 5 | $criteria = array('_id' => $this->class->getDatabaseIdentifierValue($id)); |
|
| 556 | 5 | $lockMapping = $this->class->fieldMappings[$this->class->lockField]; |
|
| 557 | 5 | $this->collection->update($criteria, array('$set' => array($lockMapping['name'] => $lockMode))); |
|
| 558 | 5 | $this->class->reflFields[$this->class->lockField]->setValue($document, $lockMode); |
|
| 559 | 5 | } |
|
| 560 | |||
| 561 | /** |
||
| 562 | * Releases any lock that exists on this document. |
||
| 563 | * |
||
| 564 | * @param object $document |
||
| 565 | */ |
||
| 566 | 1 | public function unlock($document) |
|
| 567 | { |
||
| 568 | 1 | $id = $this->uow->getDocumentIdentifier($document); |
|
| 569 | 1 | $criteria = array('_id' => $this->class->getDatabaseIdentifierValue($id)); |
|
| 570 | 1 | $lockMapping = $this->class->fieldMappings[$this->class->lockField]; |
|
| 571 | 1 | $this->collection->update($criteria, array('$unset' => array($lockMapping['name'] => true))); |
|
| 572 | 1 | $this->class->reflFields[$this->class->lockField]->setValue($document, null); |
|
| 573 | 1 | } |
|
| 574 | |||
| 575 | /** |
||
| 576 | * Creates or fills a single document object from an query result. |
||
| 577 | * |
||
| 578 | * @param object $result The query result. |
||
| 579 | * @param object $document The document object to fill, if any. |
||
| 580 | * @param array $hints Hints for document creation. |
||
| 581 | * @return object The filled and managed document object or NULL, if the query result is empty. |
||
| 582 | */ |
||
| 583 | 348 | private function createDocument($result, $document = null, array $hints = array()) |
|
| 584 | { |
||
| 585 | 348 | if ($result === null) { |
|
| 586 | 114 | return null; |
|
| 587 | } |
||
| 588 | |||
| 589 | 296 | if ($document !== null) { |
|
| 590 | 36 | $hints[Query::HINT_REFRESH] = true; |
|
| 591 | 36 | $id = $this->class->getPHPIdentifierValue($result['_id']); |
|
| 592 | 36 | $this->uow->registerManaged($document, $id, $result); |
|
| 593 | 36 | } |
|
| 594 | |||
| 595 | 296 | return $this->uow->getOrCreateDocument($this->class->name, $result, $hints, $document); |
|
| 596 | } |
||
| 597 | |||
| 598 | /** |
||
| 599 | * Loads a PersistentCollection data. Used in the initialize() method. |
||
| 600 | * |
||
| 601 | * @param PersistentCollection $collection |
||
| 602 | */ |
||
| 603 | 158 | public function loadCollection(PersistentCollection $collection) |
|
| 604 | { |
||
| 605 | 158 | $mapping = $collection->getMapping(); |
|
| 606 | 158 | switch ($mapping['association']) { |
|
| 607 | 158 | case ClassMetadata::EMBED_MANY: |
|
| 608 | 111 | $this->loadEmbedManyCollection($collection); |
|
| 609 | 111 | break; |
|
| 610 | |||
| 611 | 63 | case ClassMetadata::REFERENCE_MANY: |
|
| 612 | 63 | if (isset($mapping['repositoryMethod']) && $mapping['repositoryMethod']) { |
|
| 613 | 3 | $this->loadReferenceManyWithRepositoryMethod($collection); |
|
| 614 | 3 | } else { |
|
| 615 | 60 | if ($mapping['isOwningSide']) { |
|
| 616 | 50 | $this->loadReferenceManyCollectionOwningSide($collection); |
|
| 617 | 50 | } else { |
|
| 618 | 14 | $this->loadReferenceManyCollectionInverseSide($collection); |
|
| 619 | } |
||
| 620 | } |
||
| 621 | 63 | break; |
|
| 622 | 158 | } |
|
| 623 | 158 | } |
|
| 624 | |||
| 625 | 111 | private function loadEmbedManyCollection(PersistentCollection $collection) |
|
| 626 | { |
||
| 627 | 111 | $embeddedDocuments = $collection->getMongoData(); |
|
| 628 | 111 | $mapping = $collection->getMapping(); |
|
| 629 | 111 | $owner = $collection->getOwner(); |
|
| 630 | 111 | if ($embeddedDocuments) { |
|
| 631 | 82 | foreach ($embeddedDocuments as $key => $embeddedDocument) { |
|
| 632 | 82 | $className = $this->uow->getClassNameForAssociation($mapping, $embeddedDocument); |
|
| 633 | 82 | $embeddedMetadata = $this->dm->getClassMetadata($className); |
|
| 634 | 82 | $embeddedDocumentObject = $embeddedMetadata->newInstance(); |
|
| 635 | |||
| 636 | 82 | $this->uow->setParentAssociation($embeddedDocumentObject, $mapping, $owner, $mapping['name'] . '.' . $key); |
|
| 637 | |||
| 638 | 82 | $data = $this->hydratorFactory->hydrate($embeddedDocumentObject, $embeddedDocument); |
|
| 639 | 82 | $id = $embeddedMetadata->identifier && isset($data[$embeddedMetadata->identifier]) |
|
| 640 | 82 | ? $data[$embeddedMetadata->identifier] |
|
| 641 | 82 | : null; |
|
| 642 | |||
| 643 | 82 | $this->uow->registerManaged($embeddedDocumentObject, $id, $data); |
|
| 644 | 82 | if (CollectionHelper::isHash($mapping['strategy'])) { |
|
| 645 | 25 | $collection->set($key, $embeddedDocumentObject); |
|
| 646 | 25 | } else { |
|
| 647 | 64 | $collection->add($embeddedDocumentObject); |
|
| 648 | } |
||
| 649 | 82 | } |
|
| 650 | 82 | } |
|
| 651 | 111 | } |
|
| 652 | |||
| 653 | 50 | private function loadReferenceManyCollectionOwningSide(PersistentCollection $collection) |
|
| 654 | { |
||
| 655 | 50 | $hints = $collection->getHints(); |
|
| 656 | 50 | $mapping = $collection->getMapping(); |
|
| 657 | 50 | $groupedIds = array(); |
|
| 658 | |||
| 659 | 50 | $sorted = isset($mapping['sort']) && $mapping['sort']; |
|
| 660 | |||
| 661 | 50 | foreach ($collection->getMongoData() as $key => $reference) { |
|
| 662 | 45 | if (isset($mapping['simple']) && $mapping['simple']) { |
|
| 663 | 4 | $className = $mapping['targetDocument']; |
|
| 664 | 4 | $mongoId = $reference; |
|
| 665 | 4 | } else { |
|
| 666 | 41 | $className = $this->uow->getClassNameForAssociation($mapping, $reference); |
|
| 667 | 41 | $mongoId = $reference['$id']; |
|
| 668 | } |
||
| 669 | 45 | $id = $this->dm->getClassMetadata($className)->getPHPIdentifierValue($mongoId); |
|
| 670 | |||
| 671 | // create a reference to the class and id |
||
| 672 | 45 | $reference = $this->dm->getReference($className, $id); |
|
| 673 | |||
| 674 | // no custom sort so add the references right now in the order they are embedded |
||
| 675 | 45 | if ( ! $sorted) { |
|
| 676 | 44 | if (CollectionHelper::isHash($mapping['strategy'])) { |
|
| 677 | 2 | $collection->set($key, $reference); |
|
| 678 | 2 | } else { |
|
| 679 | 42 | $collection->add($reference); |
|
| 680 | } |
||
| 681 | 44 | } |
|
| 682 | |||
| 683 | // only query for the referenced object if it is not already initialized or the collection is sorted |
||
| 684 | 45 | if (($reference instanceof Proxy && ! $reference->__isInitialized__) || $sorted) { |
|
| 685 | 33 | $groupedIds[$className][] = $mongoId; |
|
| 686 | 33 | } |
|
| 687 | 50 | } |
|
| 688 | 50 | foreach ($groupedIds as $className => $ids) { |
|
| 689 | 33 | $class = $this->dm->getClassMetadata($className); |
|
| 690 | 33 | $mongoCollection = $this->dm->getDocumentCollection($className); |
|
| 691 | 33 | $criteria = $this->cm->merge( |
|
| 692 | 33 | array('_id' => array('$in' => array_values($ids))), |
|
| 693 | 33 | $this->dm->getFilterCollection()->getFilterCriteria($class), |
|
| 694 | 33 | isset($mapping['criteria']) ? $mapping['criteria'] : array() |
|
| 695 | 33 | ); |
|
| 696 | 33 | $criteria = $this->uow->getDocumentPersister($className)->prepareQueryOrNewObj($criteria); |
|
| 697 | 33 | $cursor = $mongoCollection->find($criteria); |
|
| 698 | 33 | if (isset($mapping['sort'])) { |
|
| 699 | 33 | $cursor->sort($mapping['sort']); |
|
| 700 | 33 | } |
|
| 701 | 33 | if (isset($mapping['limit'])) { |
|
| 702 | $cursor->limit($mapping['limit']); |
||
| 703 | } |
||
| 704 | 33 | if (isset($mapping['skip'])) { |
|
| 705 | $cursor->skip($mapping['skip']); |
||
| 706 | } |
||
| 707 | 33 | if ( ! empty($hints[Query::HINT_SLAVE_OKAY])) { |
|
| 708 | $cursor->slaveOkay(true); |
||
| 709 | } |
||
| 710 | 33 | View Code Duplication | if ( ! empty($hints[Query::HINT_READ_PREFERENCE])) { |
| 711 | $cursor->setReadPreference($hints[Query::HINT_READ_PREFERENCE], $hints[Query::HINT_READ_PREFERENCE_TAGS]); |
||
| 712 | } |
||
| 713 | 33 | $documents = $cursor->toArray(false); |
|
| 714 | 33 | foreach ($documents as $documentData) { |
|
| 715 | 32 | $document = $this->uow->getById($documentData['_id'], $class); |
|
| 716 | 32 | $data = $this->hydratorFactory->hydrate($document, $documentData); |
|
| 717 | 32 | $this->uow->setOriginalDocumentData($document, $data); |
|
| 718 | 32 | $document->__isInitialized__ = true; |
|
| 719 | 32 | if ($sorted) { |
|
| 720 | 1 | $collection->add($document); |
|
| 721 | 1 | } |
|
| 722 | 33 | } |
|
| 723 | 50 | } |
|
| 724 | 50 | } |
|
| 725 | |||
| 726 | 14 | private function loadReferenceManyCollectionInverseSide(PersistentCollection $collection) |
|
| 727 | { |
||
| 728 | 14 | $query = $this->createReferenceManyInverseSideQuery($collection); |
|
| 729 | 14 | $documents = $query->execute()->toArray(false); |
|
| 730 | 14 | foreach ($documents as $key => $document) { |
|
| 731 | 13 | $collection->add($document); |
|
| 732 | 14 | } |
|
| 733 | 14 | } |
|
| 734 | |||
| 735 | /** |
||
| 736 | * @param PersistentCollection $collection |
||
| 737 | * |
||
| 738 | * @return Query |
||
| 739 | */ |
||
| 740 | 16 | public function createReferenceManyInverseSideQuery(PersistentCollection $collection) |
|
| 741 | { |
||
| 742 | 16 | $hints = $collection->getHints(); |
|
| 743 | 16 | $mapping = $collection->getMapping(); |
|
| 744 | 16 | $owner = $collection->getOwner(); |
|
| 745 | 16 | $ownerClass = $this->dm->getClassMetadata(get_class($owner)); |
|
| 746 | 16 | $targetClass = $this->dm->getClassMetadata($mapping['targetDocument']); |
|
| 747 | 16 | $mappedByMapping = isset($targetClass->fieldMappings[$mapping['mappedBy']]) ? $targetClass->fieldMappings[$mapping['mappedBy']] : array(); |
|
| 748 | 16 | $mappedByFieldName = isset($mappedByMapping['simple']) && $mappedByMapping['simple'] ? $mapping['mappedBy'] : $mapping['mappedBy'] . '.$id'; |
|
| 749 | 16 | $criteria = $this->cm->merge( |
|
| 750 | 16 | array($mappedByFieldName => $ownerClass->getIdentifierObject($owner)), |
|
| 751 | 16 | $this->dm->getFilterCollection()->getFilterCriteria($targetClass), |
|
| 752 | 16 | isset($mapping['criteria']) ? $mapping['criteria'] : array() |
|
| 753 | 16 | ); |
|
| 754 | 16 | $criteria = $this->uow->getDocumentPersister($mapping['targetDocument'])->prepareQueryOrNewObj($criteria); |
|
| 755 | 16 | $qb = $this->dm->createQueryBuilder($mapping['targetDocument']) |
|
| 756 | 16 | ->setQueryArray($criteria); |
|
| 757 | |||
| 758 | 16 | if (isset($mapping['sort'])) { |
|
| 759 | 16 | $qb->sort($mapping['sort']); |
|
| 760 | 16 | } |
|
| 761 | 16 | if (isset($mapping['limit'])) { |
|
| 762 | 1 | $qb->limit($mapping['limit']); |
|
| 763 | 1 | } |
|
| 764 | 16 | if (isset($mapping['skip'])) { |
|
| 765 | $qb->skip($mapping['skip']); |
||
| 766 | } |
||
| 767 | 16 | if ( ! empty($hints[Query::HINT_SLAVE_OKAY])) { |
|
| 768 | $qb->slaveOkay(true); |
||
| 769 | } |
||
| 770 | 16 | View Code Duplication | if ( ! empty($hints[Query::HINT_READ_PREFERENCE])) { |
| 771 | $qb->setReadPreference($hints[Query::HINT_READ_PREFERENCE], $hints[Query::HINT_READ_PREFERENCE_TAGS]); |
||
| 772 | } |
||
| 773 | |||
| 774 | 16 | return $qb->getQuery(); |
|
| 775 | } |
||
| 776 | |||
| 777 | 3 | private function loadReferenceManyWithRepositoryMethod(PersistentCollection $collection) |
|
| 778 | { |
||
| 779 | 3 | $cursor = $this->createReferenceManyWithRepositoryMethodCursor($collection); |
|
| 780 | 3 | $mapping = $collection->getMapping(); |
|
| 781 | 3 | $documents = $cursor->toArray(false); |
|
| 782 | 3 | foreach ($documents as $key => $obj) { |
|
| 783 | 3 | if (CollectionHelper::isHash($mapping['strategy'])) { |
|
| 784 | 1 | $collection->set($key, $obj); |
|
| 785 | 1 | } else { |
|
| 786 | 2 | $collection->add($obj); |
|
| 787 | } |
||
| 788 | 3 | } |
|
| 789 | 3 | } |
|
| 790 | |||
| 791 | /** |
||
| 792 | * @param PersistentCollection $collection |
||
| 793 | * |
||
| 794 | * @return CursorInterface |
||
| 795 | */ |
||
| 796 | 3 | public function createReferenceManyWithRepositoryMethodCursor(PersistentCollection $collection) |
|
| 797 | { |
||
| 798 | 3 | $hints = $collection->getHints(); |
|
| 799 | 3 | $mapping = $collection->getMapping(); |
|
| 800 | 3 | $cursor = $this->dm->getRepository($mapping['targetDocument']) |
|
| 801 | 3 | ->$mapping['repositoryMethod']($collection->getOwner()); |
|
| 802 | |||
| 803 | 3 | if ( ! $cursor instanceof CursorInterface) { |
|
| 804 | throw new \BadMethodCallException("Expected repository method {$mapping['repositoryMethod']} to return a CursorInterface"); |
||
| 805 | } |
||
| 806 | |||
| 807 | 3 | if (isset($mapping['sort'])) { |
|
| 808 | 3 | $cursor->sort($mapping['sort']); |
|
| 809 | 3 | } |
|
| 810 | 3 | if (isset($mapping['limit'])) { |
|
| 811 | $cursor->limit($mapping['limit']); |
||
| 812 | } |
||
| 813 | 3 | if (isset($mapping['skip'])) { |
|
| 814 | $cursor->skip($mapping['skip']); |
||
| 815 | } |
||
| 816 | 3 | if ( ! empty($hints[Query::HINT_SLAVE_OKAY])) { |
|
| 817 | $cursor->slaveOkay(true); |
||
| 818 | } |
||
| 819 | 3 | View Code Duplication | if ( ! empty($hints[Query::HINT_READ_PREFERENCE])) { |
| 820 | $cursor->setReadPreference($hints[Query::HINT_READ_PREFERENCE], $hints[Query::HINT_READ_PREFERENCE_TAGS]); |
||
| 821 | } |
||
| 822 | |||
| 823 | 3 | return $cursor; |
|
| 824 | } |
||
| 825 | |||
| 826 | /** |
||
| 827 | * Prepare a sort or projection array by converting keys, which are PHP |
||
| 828 | * property names, to MongoDB field names. |
||
| 829 | * |
||
| 830 | * @param array $fields |
||
| 831 | * @return array |
||
| 832 | */ |
||
| 833 | 137 | public function prepareSortOrProjection(array $fields) |
|
| 834 | { |
||
| 835 | 137 | $preparedFields = array(); |
|
| 836 | |||
| 837 | 137 | foreach ($fields as $key => $value) { |
|
| 838 | 33 | $preparedFields[$this->prepareFieldName($key)] = $value; |
|
| 839 | 137 | } |
|
| 840 | |||
| 841 | 137 | return $preparedFields; |
|
| 842 | } |
||
| 843 | |||
| 844 | /** |
||
| 845 | * Prepare a mongodb field name and convert the PHP property names to MongoDB field names. |
||
| 846 | * |
||
| 847 | * @param string $fieldName |
||
| 848 | * @return string |
||
| 849 | */ |
||
| 850 | 85 | public function prepareFieldName($fieldName) |
|
| 851 | { |
||
| 852 | 85 | list($fieldName) = $this->prepareQueryElement($fieldName, null, null, false); |
|
| 853 | |||
| 854 | 85 | return $fieldName; |
|
| 855 | } |
||
| 856 | |||
| 857 | /** |
||
| 858 | * Adds discriminator criteria to an already-prepared query. |
||
| 859 | * |
||
| 860 | * This method should be used once for query criteria and not be used for |
||
| 861 | * nested expressions. It should be called before |
||
| 862 | * {@link DocumentPerister::addFilterToPreparedQuery()}. |
||
| 863 | * |
||
| 864 | * @param array $preparedQuery |
||
| 865 | * @return array |
||
| 866 | */ |
||
| 867 | 473 | public function addDiscriminatorToPreparedQuery(array $preparedQuery) |
|
| 883 | |||
| 884 | /** |
||
| 885 | * Adds filter criteria to an already-prepared query. |
||
| 886 | * |
||
| 887 | * This method should be used once for query criteria and not be used for |
||
| 888 | * nested expressions. It should be called after |
||
| 889 | * {@link DocumentPerister::addDiscriminatorToPreparedQuery()}. |
||
| 890 | * |
||
| 891 | * @param array $preparedQuery |
||
| 892 | * @return array |
||
| 893 | */ |
||
| 894 | 474 | public function addFilterToPreparedQuery(array $preparedQuery) |
|
| 895 | { |
||
| 896 | /* If filter criteria exists for this class, prepare it and merge |
||
| 897 | * over the existing query. |
||
| 898 | * |
||
| 899 | * @todo Consider recursive merging in case the filter criteria and |
||
| 900 | * prepared query both contain top-level $and/$or operators. |
||
| 901 | */ |
||
| 902 | 474 | if ($filterCriteria = $this->dm->getFilterCollection()->getFilterCriteria($this->class)) { |
|
| 903 | 16 | $preparedQuery = $this->cm->merge($preparedQuery, $this->prepareQueryOrNewObj($filterCriteria)); |
|
| 904 | 16 | } |
|
| 905 | |||
| 906 | 474 | return $preparedQuery; |
|
| 907 | } |
||
| 908 | |||
| 909 | /** |
||
| 910 | * Prepares the query criteria or new document object. |
||
| 911 | * |
||
| 912 | * PHP field names and types will be converted to those used by MongoDB. |
||
| 913 | * |
||
| 914 | * @param array $query |
||
| 915 | * @return array |
||
| 916 | */ |
||
| 917 | 507 | public function prepareQueryOrNewObj(array $query) |
|
| 918 | { |
||
| 919 | 507 | $preparedQuery = array(); |
|
| 920 | |||
| 921 | 507 | foreach ($query as $key => $value) { |
|
| 922 | // Recursively prepare logical query clauses |
||
| 923 | 469 | if (in_array($key, array('$and', '$or', '$nor')) && is_array($value)) { |
|
| 924 | 20 | foreach ($value as $k2 => $v2) { |
|
| 925 | 20 | $preparedQuery[$key][$k2] = $this->prepareQueryOrNewObj($v2); |
|
| 926 | 20 | } |
|
| 927 | 20 | continue; |
|
| 928 | } |
||
| 929 | |||
| 930 | 469 | if (isset($key[0]) && $key[0] === '$' && is_array($value)) { |
|
| 931 | 20 | $preparedQuery[$key] = $this->prepareQueryOrNewObj($value); |
|
| 932 | 20 | continue; |
|
| 933 | } |
||
| 934 | |||
| 935 | 469 | list($key, $value) = $this->prepareQueryElement($key, $value, null, true); |
|
| 936 | |||
| 937 | 469 | $preparedQuery[$key] = is_array($value) |
|
| 938 | 469 | ? array_map('Doctrine\ODM\MongoDB\Types\Type::convertPHPToDatabaseValue', $value) |
|
| 939 | 469 | : Type::convertPHPToDatabaseValue($value); |
|
| 940 | 507 | } |
|
| 941 | |||
| 942 | 507 | return $preparedQuery; |
|
| 943 | } |
||
| 944 | |||
| 945 | /** |
||
| 946 | * Prepares a query value and converts the PHP value to the database value |
||
| 947 | * if it is an identifier. |
||
| 948 | * |
||
| 949 | * It also handles converting $fieldName to the database name if they are different. |
||
| 950 | * |
||
| 951 | * @param string $fieldName |
||
| 952 | * @param mixed $value |
||
| 953 | * @param ClassMetadata $class Defaults to $this->class |
||
| 954 | * @param boolean $prepareValue Whether or not to prepare the value |
||
| 955 | * @return array Prepared field name and value |
||
| 956 | */ |
||
| 957 | 500 | private function prepareQueryElement($fieldName, $value = null, $class = null, $prepareValue = true) |
|
| 1132 | |||
| 1133 | /** |
||
| 1134 | * Prepares a query expression. |
||
| 1135 | * |
||
| 1136 | * @param array|object $expression |
||
| 1137 | * @param ClassMetadata $class |
||
| 1138 | * @return array |
||
| 1139 | */ |
||
| 1140 | 65 | private function prepareQueryExpression($expression, $class) |
|
| 1141 | { |
||
| 1142 | 65 | foreach ($expression as $k => $v) { |
|
| 1143 | // Ignore query operators whose arguments need no type conversion |
||
| 1144 | 65 | if (in_array($k, array('$exists', '$type', '$mod', '$size'))) { |
|
| 1145 | 12 | continue; |
|
| 1146 | } |
||
| 1147 | |||
| 1148 | // Process query operators whose argument arrays need type conversion |
||
| 1149 | 65 | if (in_array($k, array('$in', '$nin', '$all')) && is_array($v)) { |
|
| 1150 | 63 | foreach ($v as $k2 => $v2) { |
|
| 1151 | 63 | $expression[$k][$k2] = $class->getDatabaseIdentifierValue($v2); |
|
| 1152 | 63 | } |
|
| 1153 | 63 | continue; |
|
| 1154 | } |
||
| 1155 | |||
| 1156 | // Recursively process expressions within a $not operator |
||
| 1157 | 14 | if ($k === '$not' && is_array($v)) { |
|
| 1158 | 11 | $expression[$k] = $this->prepareQueryExpression($v, $class); |
|
| 1159 | 11 | continue; |
|
| 1167 | |||
| 1168 | /** |
||
| 1169 | * Checks whether the value has DBRef fields. |
||
| 1170 | * |
||
| 1171 | * This method doesn't check if the the value is a complete DBRef object, |
||
| 1172 | * although it should return true for a DBRef. Rather, we're checking that |
||
| 1173 | * the value has one or more fields for a DBref. In practice, this could be |
||
| 1174 | * $elemMatch criteria for matching a DBRef. |
||
| 1175 | * |
||
| 1176 | * @param mixed $value |
||
| 1177 | * @return boolean |
||
| 1178 | */ |
||
| 1179 | 66 | private function hasDBRefFields($value) |
|
| 1197 | |||
| 1198 | /** |
||
| 1199 | * Checks whether the value has query operators. |
||
| 1200 | * |
||
| 1201 | * @param mixed $value |
||
| 1202 | * @return boolean |
||
| 1203 | */ |
||
| 1204 | 70 | private function hasQueryOperators($value) |
|
| 1222 | |||
| 1223 | /** |
||
| 1224 | * Gets the array of discriminator values for the given ClassMetadata |
||
| 1225 | * |
||
| 1226 | * @param ClassMetadata $metadata |
||
| 1227 | * @return array |
||
| 1228 | */ |
||
| 1229 | 21 | private function getClassDiscriminatorValues(ClassMetadata $metadata) |
|
| 1245 | |||
| 1246 | 542 | private function handleCollections($document, $options) |
|
| 1265 | } |
||
| 1266 |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: