Increase compatibility between stream and search result (#583)

Increase compatibility between stream rsults ans serach result

src/QueryType/Stream/ResponseParser.php

@@ -64,6 +64,7 @@ public function parse($result)
         return $this->addHeaderInfo(
             $data,
             [
+                'numfound' => count($documents),
                 'documents' => $documents,
             ]
         );

src/QueryType/Stream/Result.php

@@ -10,6 +10,15 @@
  */
 class Result extends BaseResult implements \IteratorAggregate, \Countable
 {
+    /**
+     * Solr numFound.
+     *
+     * This is NOT the number of document fetched from Solr!
+     *
+     * @var int
+     */
+    protected $numfound;
+
     /**
      * Document instances array.
      *
@@ -48,6 +57,36 @@ public function getStatus()
         return $this->status;
     }
 
+    /**
+     * Get Solr query time.
+     *
+     * This doesn't include things like the HTTP responsetime. Purely the Solr
+     * query execution time.
+     *
+     * @return int
+     */
+    public function getQueryTime()
+    {
+        $this->parseResponse();
+
+        return $this->queryTime;
+    }
+
+    /**
+     * get Solr numFound.
+     *
+     * Returns the total number of documents found by Solr (this is NOT the
+     * number of document fetched from Solr!)
+     *
+     * @return int
+     */
+    public function getNumFound()
+    {
+        $this->parseResponse();
+
+        return $this->numfound;
+    }
+
     /**
      * Get Solr status code.
      *
@@ -104,6 +143,18 @@ public function getBody()
         return $this->response->getBody();
     }
 
+    /**
+     * Get Solr response body in JSON format.
+     *
+     * More expressive convenience method that just call getBody().
+     *
+     * @return string JSON
+     */
+    public function getJson()
+    {
+        return $this->getBody();
+    }
+
     /**
      * Get Solr response data.
      *