Add Indices/Rollover endpoint

src/Elasticsearch/Endpoints/Indices/Rollover.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Elasticsearch\Endpoints\Indices;
+
+use Elasticsearch\Endpoints\AbstractEndpoint;
+use Elasticsearch\Common\Exceptions;
+
+/**
+ * Class Rollover
+ *
+ * @category Elasticsearch
+ * @package  Elasticsearch\Endpoints\Indices
+ * @author   Zachary Tong <zach@elastic.co>
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache2
+ * @link     http://elastic.co
+ */
+class Rollover extends AbstractEndpoint
+{
+    private $alias;
+    private $newIndex;
+
+    /**
+     * @param string $alias
+     *
+     * @return $this
+     */
+    public function setAlias($alias)
+    {
+        if ($alias === null) {
+            return $this;
+        }
+
+        $this->alias = urlencode($alias);
+        return $this;
+    }
+
+    /**
+     * @param string $newIndex
+     *
+     * @return $this
+     */
+    public function setNewIndex($newIndex)
+    {
+        if ($newIndex === null) {
+            return $this;
+        }
+
+        $this->newIndex = urlencode($newIndex);
+        return $this;
+    }
+
+    /**
+     * @param array $body
+     *
+     * @throws \Elasticsearch\Common\Exceptions\InvalidArgumentException
+     * @return $this
+     */
+    public function setBody($body)
+    {
+        if (isset($body) !== true) {
+            return $this;
+        }
+
+        $this->body = $body;
+
+        return $this;
+    }
+
+    /**
+     * @throws \Elasticsearch\Common\Exceptions\RuntimeException
+     * @return string
+     */
+    protected function getURI()
+    {
+        if (isset($this->alias) !== true) {
+            throw new Exceptions\RuntimeException(
+                'alias name is required for Rollover'
+            );
+        }
+
+        $uri = "/{$this->alias}/_rollover";
+
+        if (isset($this->newIndex) === true) {
+            $uri .= "/{$this->newIndex}";
+        }
+
+        return $uri;
+    }
+
+    /**
+     * @return string[]
+     */
+    protected function getParamWhitelist()
+    {
+        return array(
+            'timeout',
+            'master_timeout'
+        );
+    }
+
+    /**
+     * @return string
+     */
+    protected function getMethod()
+    {
+        return 'POST';
+    }
+}

src/Elasticsearch/Namespaces/IndicesNamespace.php

@@ -1166,4 +1166,34 @@ public function shardStores($params)
 
         return $endpoint->resultOrFuture($response);
     }
+
+    /**
+     * $params['newIndex']       = (string) The name of the rollover index
+     *        ['alias']          = (string) The name of the alias to rollover
+     *        ['timeout']        = (time) Explicit operation timeout
+     *        ['master_timeout'] = (time) Specify timeout for connection to master
+     *
+     * @param $params array Associative array of parameters
+     *
+     * @return array
+     */
+    public function rollover($params)
+    {
+        $newIndex = $this->extractArgument($params, 'newIndex');
+        $alias = $this->extractArgument($params, 'alias');
+        $body = $this->extractArgument($params, 'body');
+
+        /** @var callback $endpointBuilder */
+        $endpointBuilder = $this->endpoints;
+
+        /** @var \Elasticsearch\Endpoints\Indices\Rollover $endpoint */
+        $endpoint = $endpointBuilder('Indices\Rollover');
+        $endpoint->setNewIndex($newIndex)
+            ->setAlias($alias)
+            ->setParams($params)
+            ->setBody($body);
+        $response = $endpoint->performRequest();
+
+        return $endpoint->resultOrFuture($response);
+    }
 }