updated-packages

vendor/aws/aws-sdk-php/src/EndpointDiscovery/EndpointList.php

@@ -0,0 +1,85 @@
+<?php
+namespace Aws\EndpointDiscovery;
+
+class EndpointList
+{
+    private $active;
+    private $expired = [];
+
+    public function __construct(array $endpoints)
+    {
+        $this->active = $endpoints;
+        reset($this->active);
+    }
+
+    /**
+     * Gets an active (unexpired) endpoint. Returns null if none found.
+     *
+     * @return null|string
+     */
+    public function getActive()
+    {
+        if (count($this->active) < 1) {
+            return null;
+        }
+        while (time() > current($this->active)) {
+            $key = key($this->active);
+            $this->expired[$key] = current($this->active);
+            $this->increment($this->active);
+            unset($this->active[$key]);
+            if (count($this->active) < 1) {
+                return null;
+            }
+        }
+        $active = key($this->active);
+        $this->increment($this->active);
+        return $active;
+    }
+
+    /**
+     * Gets an active endpoint if possible, then an expired endpoint if possible.
+     * Returns null if no endpoints found.
+     *
+     * @return null|string
+     */
+    public function getEndpoint()
+    {
+        if (!empty($active = $this->getActive())) {
+            return $active;
+        }
+        return $this->getExpired();
+    }
+
+    /**
+     * Removes an endpoint from both lists.
+     *
+     * @param string $key
+     */
+    public function remove($key)
+    {
+        unset($this->active[$key]);
+        unset($this->expired[$key]);
+    }
+
+    /**
+     * Get an expired endpoint. Returns null if none found.
+     *
+     * @return null|string
+     */
+    private function getExpired()
+    {
+        if (count($this->expired) < 1) {
+            return null;
+        }
+        $expired = key($this->expired);
+        $this->increment($this->expired);
+        return $expired;
+    }
+
+    private function increment(&$array)
+    {
+        if (next($array) === false) {
+            reset($array);
+        }
+    }
+}