117 lines
3.8 KiB
PHP
117 lines
3.8 KiB
PHP
<?php
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/**
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* The default strategy maps a single instance to a single database table, as is
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* the case in Single Table Inheritance & Concrete Table Inheritance.
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*
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* @since 1.0
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*/
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class Doctrine_Mapper_DefaultStrategy extends Doctrine_Mapper_Strategy
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{
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/**
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* Deletes an entity.
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*/
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public function doDelete(Doctrine_Record $record)
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{
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$conn = $this->_mapper->getConnection();
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$metadata = $this->_mapper->getClassMetadata();
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try {
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$conn->beginInternalTransaction();
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$this->_deleteComposites($record);
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$record->state(Doctrine_Record::STATE_TDIRTY);
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$identifier = $this->_convertFieldToColumnNames($record->identifier(), $metadata);
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$this->_deleteRow($metadata->getTableName(), $identifier);
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$record->state(Doctrine_Record::STATE_TCLEAN);
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$this->_mapper->removeRecord($record);
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$conn->commit();
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} catch (Exception $e) {
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$conn->rollback();
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throw $e;
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}
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}
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/**
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* deletes all related composites
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* this method is always called internally when a record is deleted
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*
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* @throws PDOException if something went wrong at database level
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* @return void
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*/
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protected function _deleteComposites(Doctrine_Record $record)
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{
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$classMetadata = $this->_mapper->getClassMetadata();
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foreach ($classMetadata->getRelations() as $fk) {
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if ($fk->isComposite()) {
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$obj = $record->get($fk->getAlias());
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if ($obj instanceof Doctrine_Record &&
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$obj->state() != Doctrine_Record::STATE_LOCKED) {
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$obj->delete($this->_mapper->getConnection());
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}
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}
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}
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}
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/**
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* Inserts a single entity into the database, without any related entities.
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*
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* @param Doctrine_Record $record The entity to insert.
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*/
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public function doInsert(Doctrine_Record $record)
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{
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$conn = $this->_mapper->getConnection();
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$fields = $record->getPrepared();
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if (empty($fields)) {
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return false;
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}
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//$class = $record->getClassMetadata();
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$class = $this->_mapper->getClassMetadata();
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$identifier = (array) $class->getIdentifier();
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$fields = $this->_convertFieldToColumnNames($fields, $class);
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$seq = $class->getTableOption('sequenceName');
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if ( ! empty($seq)) {
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$id = $conn->sequence->nextId($seq);
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$seqName = $identifier[0];
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$fields[$seqName] = $id;
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$record->assignIdentifier($id);
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}
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$this->_insertRow($class->getTableName(), $fields);
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if (empty($seq) && count($identifier) == 1 &&
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$class->getIdentifierType() != Doctrine::IDENTIFIER_NATURAL) {
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if (strtolower($conn->getName()) == 'pgsql') {
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$seq = $class->getTableName() . '_' . $identifier[0];
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}
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$id = $conn->sequence->lastInsertId($seq);
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if ( ! $id) {
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throw new Doctrine_Mapper_Exception("Couldn't get last insert identifier.");
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}
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$record->assignIdentifier($id);
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} else {
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$record->assignIdentifier(true);
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}
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}
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/**
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* Updates an entity.
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*/
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public function doUpdate(Doctrine_Record $record)
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{
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$conn = $this->_mapper->getConnection();
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$classMetadata = $this->_mapper->getClassMetadata();
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$identifier = $this->_convertFieldToColumnNames($record->identifier(), $classMetadata);
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$data = $this->_convertFieldToColumnNames($record->getPrepared(), $classMetadata);
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$this->_updateRow($classMetadata->getTableName(), $data, $identifier);
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$record->assignIdentifier(true);
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}
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} |