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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. For more information, see |
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* <http://www.doctrine-project.org>. |
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*/ |
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namespace Doctrine\ODM\MongoDB\Tools\Console\Command\Schema; |
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use Doctrine\ODM\MongoDB\SchemaManager; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* @author Bulat Shakirzyanov <[email protected]> |
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*/ |
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class DropCommand extends AbstractCommand |
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{ |
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private $dropOrder = array(self::INDEX, self::COLLECTION, self::DB); |
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protected function configure() |
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{ |
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$this |
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->setName('odm:schema:drop') |
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->addOption('class', 'c', InputOption::VALUE_REQUIRED, 'Document class to process (default: all classes)') |
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->addOption(self::DB, null, InputOption::VALUE_NONE, 'Drop databases') |
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->addOption(self::COLLECTION, null, InputOption::VALUE_NONE, 'Drop collections') |
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->addOption(self::INDEX, null, InputOption::VALUE_NONE, 'Drop indexes') |
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->setDescription('Drop databases, collections and indexes for your documents') |
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; |
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} |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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foreach ($this->dropOrder as $option) { |
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if ($input->getOption($option)) { |
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$drop[] = $option; |
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} |
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} |
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// Default to the full drop order if no options were specified |
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$drop = empty($drop) ? $this->dropOrder : $drop; |
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$class = $input->getOption('class'); |
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$sm = $this->getSchemaManager(); |
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$isErrored = false; |
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View Code Duplication |
foreach ($drop as $option) { |
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try { |
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if (isset($class)) { |
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$this->{'processDocument' . ucfirst($option)}($sm, $class); |
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} else { |
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$this->{'process' . ucfirst($option)}($sm); |
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} |
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$output->writeln(sprintf( |
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'Dropped <comment>%s%s</comment> for <info>%s</info>', |
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$option, |
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(isset($class) ? (self::INDEX === $option ? '(es)' : '') : (self::INDEX === $option ? 'es' : 's')), |
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(isset($class) ? $class : 'all classes') |
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)); |
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} catch (\Exception $e) { |
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$output->writeln('<error>' . $e->getMessage() . '</error>'); |
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$isErrored = true; |
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} |
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} |
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return ($isErrored) ? 255 : 0; |
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} |
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protected function processDocumentCollection(SchemaManager $sm, $document) |
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{ |
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$sm->dropDocumentCollection($document); |
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} |
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protected function processCollection(SchemaManager $sm) |
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{ |
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$sm->dropCollections(); |
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} |
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protected function processDocumentDb(SchemaManager $sm, $document) |
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{ |
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$sm->dropDocumentDatabase($document); |
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} |
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protected function processDb(SchemaManager $sm) |
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{ |
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$sm->dropDatabases(); |
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} |
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protected function processDocumentIndex(SchemaManager $sm, $document) |
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{ |
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$sm->deleteDocumentIndexes($document); |
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} |
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protected function processIndex(SchemaManager $sm) |
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{ |
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$sm->deleteIndexes(); |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.