Finally able to add HTTP HEAD, to be able to test if index exists

Author: frodegill

src/elasticsearch/elasticsearch.cpp

@@ -162,6 +162,11 @@ long unsigned int ElasticSearch::getDocumentCount(const char* index, const char*
     return pos;
 }
 
+// Test if index exists
+bool ElasticSearch::exist(const std::string& index){
+    return (200 == _http.head(index.c_str(), 0, 0));
+}
+
 // Test if document exists
 bool ElasticSearch::exist(const std::string& index, const std::string& type, const std::string& id){
     std::stringstream url;

src/elasticsearch/elasticsearch.h

@@ -34,7 +34,10 @@ class ElasticSearch {
         /// Delete the document by index/type.
         bool deleteAll(const char* index, const char* type);
 
-         /// Test if document exists
+         /// Test if index exists
+        bool exist(const std::string& index);
+
+		/// Test if document exists
         bool exist(const std::string& index, const std::string& type, const std::string& id);
 
         /// Get Id of document

src/http/http.h

@@ -86,6 +86,12 @@ class HTTP {
             return request("GET", endUrl, data, root, result);
         }
 
+        /// Generic head request to node.
+        inline unsigned int head(const char* endUrl, const char* data, Json::Object* root){
+            Result result;
+            return request("HEAD", endUrl, data, root, result);
+        }
+
         /// Generic put request to node.
         inline unsigned int put(const char* endUrl, const char* data, Json::Object* root){
             Result result;