init

vendor/react/dns/src/Query/CachedExecutor.php

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+<?php
+
+namespace React\Dns\Query;
+
+use React\Dns\Model\Message;
+
+/**
+ * @deprecated unused, exists for BC only
+ * @see CachingExecutor
+ */
+class CachedExecutor implements ExecutorInterface
+{
+    private $executor;
+    private $cache;
+
+    public function __construct(ExecutorInterface $executor, RecordCache $cache)
+    {
+        $this->executor = $executor;
+        $this->cache = $cache;
+    }
+
+    public function query($nameserver, Query $query)
+    {
+        $executor = $this->executor;
+        $cache = $this->cache;
+
+        return $this->cache
+            ->lookup($query)
+            ->then(
+                function ($cachedRecords) use ($query) {
+                    return Message::createResponseWithAnswersForQuery($query, $cachedRecords);
+                },
+                function () use ($executor, $cache, $nameserver, $query) {
+                    return $executor
+                        ->query($nameserver, $query)
+                        ->then(function ($response) use ($cache, $query) {
+                            $cache->storeResponseMessage($query->currentTime, $response);
+                            return $response;
+                        });
+                }
+            );
+    }
+
+    /**
+     * @deprecated unused, exists for BC only
+     */
+    public function buildResponse(Query $query, array $cachedRecords)
+    {
+        return Message::createResponseWithAnswersForQuery($query, $cachedRecords);
+    }
+
+    /**
+     * @deprecated unused, exists for BC only
+     */
+    protected function generateId()
+    {
+        return mt_rand(0, 0xffff);
+    }
+}