From 7361ee437fe9a680b1f93412d46cd96d9d58bfcc Mon Sep 17 00:00:00 2001
From: michele <michele@cheergg.com>
Date: Wed, 28 Aug 2019 13:01:15 +0200
Subject: [PATCH] simplified ArangoCollectionAsyncImpl
 handleGetDocumentExceptions

---
 .../internal/ArangoCollectionAsyncImpl.java       | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/arangodb/internal/ArangoCollectionAsyncImpl.java b/src/main/java/com/arangodb/internal/ArangoCollectionAsyncImpl.java
index 003dc79..7d93e5e 100644
--- a/src/main/java/com/arangodb/internal/ArangoCollectionAsyncImpl.java
+++ b/src/main/java/com/arangodb/internal/ArangoCollectionAsyncImpl.java
@@ -34,6 +34,7 @@
 
 /**
  * @author Mark Vollmary
+ * @author Michele Rastelli
  */
 public class ArangoCollectionAsyncImpl
         extends InternalArangoCollection<ArangoDBAsyncImpl, ArangoDatabaseAsyncImpl, ArangoExecutorAsync>
@@ -118,18 +119,8 @@ public <T> CompletableFuture<T> getDocument(
 
     private <T> Function<Throwable, T> handleGetDocumentExceptions(Boolean isCatchException) {
         return throwable -> {
-            ArangoDBException arangoDBException = null;
-
-            if (throwable instanceof ArangoDBException) {
-                arangoDBException = (ArangoDBException) throwable;
-            } else if (throwable instanceof CompletionException) {
-                CompletionException completionException = (CompletionException) throwable;
-                if (completionException.getCause() instanceof ArangoDBException) {
-                    arangoDBException = (ArangoDBException) completionException.getCause();
-                }
-            }
-
-            if (arangoDBException != null) {
+            if (throwable instanceof CompletionException && throwable.getCause() instanceof ArangoDBException) {
+                ArangoDBException arangoDBException = (ArangoDBException) throwable.getCause();
                 if ((arangoDBException.getResponseCode() != null && (arangoDBException.getResponseCode() == 404 || arangoDBException.getResponseCode() == 304
                         || arangoDBException.getResponseCode() == 412)) && isCatchException) {
                     return null;