Second commit

src/main/java/AutoHealerAndClusterSearch/Coordinator.java

@@ -92,10 +92,10 @@ public class Coordinator
     }
 
 
-    private Request extractRequest(Socket clientSocket) throws IOException, ClassNotFoundException 
+    private String extractRequest(Socket clientSocket) throws IOException, ClassNotFoundException
     {
         ObjectInputStream objectInputStream = new ObjectInputStream(clientSocket.getInputStream());
-        Request request = (Request) objectInputStream.readObject();
+        String request = (String) objectInputStream.readObject();
         return request;
     }
 
@@ -103,8 +103,8 @@ public class Coordinator
     {
         try 
         {
-            Request request = extractRequest(clientSocket);
-            List<Response> responses = spreadQuery(request);
+            String query = extractRequest(clientSocket);
+            List<Response> responses = spreadQuery(query);
             processResultsAndPrepareAnswer(responses);
         }
         catch (IOException | InterruptedException | ClassNotFoundException | KeeperException e)
@@ -160,7 +160,7 @@ public class Coordinator
      * response is tree-map here the keys are words
      * and values are list of pair<fileName,Number Of Appearance of the word in it>
      * */
-    public List<Response> spreadQuery(Request request) throws InterruptedException, KeeperException, IOException, ExecutionException
+    public List<Response> spreadQuery(String query) throws InterruptedException, KeeperException, IOException, ExecutionException
     {
         List<String> physicalZnodes = zooKeeper.getChildren(PHYSICAL_ZNODES_PATH, false);
 
@@ -191,6 +191,7 @@ public class Coordinator
                             PHYSICAL_ZNODES_PATH + "/" + physicalZnodes.get(index),
                                     false, stat)
             );
+            Request request = new Request(query , filesNumberforNode , filesOffset);
             tasks.add(() -> sendRequestToNode(request, ipAddress));
             index = (1 + index) % physicalZnodes.size();
             filesOffset = (filesOffset + filesNumberforNode) % totalFilesNumber;