Update

trunk/_vendor/doctrine/doctrine-cache-bundle/Command/ContainsCommand.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Doctrine\Bundle\DoctrineCacheBundle\Command;
+
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Check if a cache entry exists.
+ *
+ * @author Alan Doucette <dragonwize@gmail.com>
+ */
+class ContainsCommand extends CacheCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this->setName('doctrine:cache:contains')
+            ->setDescription('Check if a cache entry exists')
+            ->addArgument('cache-name', InputArgument::REQUIRED, 'Which cache provider to use?')
+            ->addArgument('cache-id', InputArgument::REQUIRED, 'Which cache ID to check?');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $cacheName     = $input->getArgument('cache-name');
+        $cacheProvider = $this->getCacheProvider($cacheName);
+        $cacheId       = $input->getArgument('cache-id');
+
+        $message = $cacheProvider->contains($cacheId) ? '<info>TRUE</info>' : '<error>FALSE</error>';
+        $output->writeln($message);
+    }
+}