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<?php |
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/* |
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* The MIT License |
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* |
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* Copyright 2014-2018 James Ekow Abaka Ainooson |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace ntentan\nibii; |
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/** |
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* DriverAdapter provides a generic interface through which specific database operations can be performed. |
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* It. |
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*/ |
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abstract class DriverAdapter |
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{ |
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protected $data; |
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private $insertQuery; |
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private $updateQuery; |
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private $modelInstance; |
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protected $queryEngine; |
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private $driver; |
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public function setContext(ORMContext $context) |
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{ |
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$this->driver = $context->getDbContext()->getDriver(); |
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} |
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public function setData($data) |
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{ |
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$this->data = $data; |
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} |
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/** |
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* Convert datatypes from the database system's native type to a generic type |
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* supported by nibii. |
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* |
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* @param string $nativeType The native datatype |
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* |
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* @return string The generic datatype for use in nibii. |
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*/ |
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abstract public function mapDataTypes($nativeType); |
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/** |
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* @param QueryParameters $parameters |
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* |
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* @return type |
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*/ |
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public function select($parameters) |
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{ |
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$result = $this->driver->query( |
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$this->getQueryEngine()->getSelectQuery($parameters), |
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$parameters->getBoundData() |
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); |
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if ($parameters->getFirstOnly() && isset($result[0])) { |
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$result = $result[0]; |
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} |
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return $result; |
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} |
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/** |
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* @param QueryParameters $parameters |
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*/ |
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public function count($parameters) |
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{ |
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$result = $this->driver->query($this->getQueryEngine()->getCountQuery($parameters), $parameters->getBoundData()); |
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return $result[0]['count']; |
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} |
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private function initInsert() |
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{ |
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$this->insertQuery = $this->getQueryEngine()->getInsertQuery($this->modelInstance); |
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} |
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private function initUpdate() |
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{ |
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$this->updateQuery = $this->getQueryEngine()->getUpdateQuery($this->modelInstance); |
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} |
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public function insert($record) |
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{ |
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if ($this->insertQuery === null) { |
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$this->initInsert(); |
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} |
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return $this->driver->query($this->insertQuery, $record); |
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} |
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public function update($record) |
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{ |
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if ($this->updateQuery === null) { |
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$this->initUpdate(); |
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} |
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return $this->driver->query($this->updateQuery, $record); |
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} |
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/** |
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* @param QueryParameters $parameters |
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*/ |
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public function bulkUpdate($data, $parameters) |
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{ |
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return $this->driver->query( |
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$this->getQueryEngine()->getBulkUpdateQuery($data, $parameters), array_merge($data, $parameters->getBoundData()) |
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); |
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} |
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/** |
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* @param QueryParameters $parameters |
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*/ |
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public function delete($parameters) |
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{ |
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return $this->driver->query( |
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$this->getQueryEngine()->getDeleteQuery($parameters), $parameters->getBoundData() |
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); |
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} |
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public function describe($model, $relationships) |
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{ |
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return new ModelDescription( |
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$this->driver->describeTable($table)[$table], $relationships, function ($type) { |
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return $this->mapDataTypes($type); |
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} |
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); |
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} |
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/** |
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* @return \ntentan\nibii\QueryEngine |
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*/ |
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private function getQueryEngine() |
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{ |
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if ($this->queryEngine === null) { |
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$this->queryEngine = new QueryEngine(); |
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$this->queryEngine->setDriver($this->driver); |
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} |
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return $this->queryEngine; |
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} |
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/** |
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* @param RecordWrapper $model |
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*/ |
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public function setModel($model) |
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{ |
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$this->modelInstance = $model; |
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} |
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public function getDriver() |
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{ |
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return $this->driver; |
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} |
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} |
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Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@return
annotation as described here.