1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/aws/aws-sdk-php/src/EndpointV2/EndpointProviderV2.php b/vendor/aws/aws-sdk-php/src/EndpointV2/EndpointProviderV2.php
new file mode 100644
index 0000000..bd57494
--- /dev/null
+++ b/vendor/aws/aws-sdk-php/src/EndpointV2/EndpointProviderV2.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Aws\EndpointV2;
+
+use Aws\EndpointV2\Ruleset\Ruleset;
+use Aws\Exception\UnresolvedEndpointException;
+use Aws\LruArrayCache;
+
+/**
+ * Given a service's Ruleset and client-provided input parameters, provides
+ * either an object reflecting the properties of a resolved endpoint,
+ * or throws an error.
+ */
+class EndpointProviderV2
+{
+    /** @var Ruleset */
+    private $ruleset;
+
+    /** @var LruArrayCache */
+    private $cache;
+
+    public function __construct(array $ruleset, array $partitions)
+    {
+        $this->ruleset = new Ruleset($ruleset, $partitions);
+        $this->cache = new LruArrayCache(100);
+    }
+
+    /**
+     * @return Ruleset
+     */
+    public function getRuleset()
+    {
+        return $this->ruleset;
+    }
+
+    /**
+     * Given a Ruleset and input parameters, determines the correct endpoint
+     * or an error to be thrown for a given request.
+     *
+     * @return RulesetEndpoint
+     * @throws UnresolvedEndpointException
+     */
+    public function resolveEndpoint(array $inputParameters)
+    {
+        $hashedParams = $this->hashInputParameters($inputParameters);
+        $match = $this->cache->get($hashedParams);
+
+        if (!is_null($match)) {
+            return $match;
+        }
+
+        $endpoint = $this->ruleset->evaluate($inputParameters);
+        if ($endpoint === false) {
+            throw new UnresolvedEndpointException(
+                'Unable to resolve an endpoint using the provider arguments: '
+                . json_encode($inputParameters)
+            );
+        }
+        $this->cache->set($hashedParams, $endpoint);
+
+        return $endpoint;
+    }
+
+    private function hashInputParameters($inputParameters)
+    {
+        return md5(serialize($inputParameters));
+    }
+}