chore(java): cleanup

Author: Fluf22

templates/java/api_helpers.mustache

@@ -732,50 +732,56 @@ Iterable<T> objects,
 int batchSize,
 RequestOptions requestOptions
 ) {
-Random rnd = new Random();
-String tmpIndexName = indexName + "_tmp_" + rnd.nextInt(100);
-
-// Copy settings, synonyms and rules
-UpdatedAtResponse copyOperationResponse = operationIndex(
-  indexName,
-  new OperationIndexParams()
-    .setOperation(OperationType.COPY)
-    .setDestination(tmpIndexName)
-    .addScope(ScopeType.SETTINGS)
-    .addScope(ScopeType.RULES)
-    .addScope(ScopeType.SYNONYMS),
-  requestOptions
-);
+  Random rnd = new Random();
+  String tmpIndexName = indexName + "_tmp_" + rnd.nextInt(100);
 
-// Save new objects
-List<BatchResponse> batchResponses = chunkedBatch(tmpIndexName, objects, Action.ADD_OBJECT, true, batchSize, requestOptions);
+  try {
+    // Copy settings, synonyms and rules
+    UpdatedAtResponse copyOperationResponse = operationIndex(
+      indexName,
+      new OperationIndexParams()
+        .setOperation(OperationType.COPY)
+        .setDestination(tmpIndexName)
+        .addScope(ScopeType.SETTINGS)
+        .addScope(ScopeType.RULES)
+        .addScope(ScopeType.SYNONYMS),
+      requestOptions
+    );
 
-waitForTask(tmpIndexName, copyOperationResponse.getTaskID(), requestOptions);
+    // Save new objects
+    List<BatchResponse> batchResponses = chunkedBatch(tmpIndexName, objects, Action.ADD_OBJECT, true, batchSize, requestOptions);
 
-copyOperationResponse = operationIndex(
-  indexName,
-  new OperationIndexParams()
-    .setOperation(OperationType.COPY)
-    .setDestination(tmpIndexName)
-    .addScope(ScopeType.SETTINGS)
-    .addScope(ScopeType.RULES)
-    .addScope(ScopeType.SYNONYMS),
-  requestOptions
-);
-waitForTask(tmpIndexName, copyOperationResponse.getTaskID(), requestOptions);
+    waitForTask(tmpIndexName, copyOperationResponse.getTaskID(), requestOptions);
 
-// Move temporary index to source index
-UpdatedAtResponse moveOperationResponse = operationIndex(
-  tmpIndexName,
-  new OperationIndexParams().setOperation(OperationType.MOVE).setDestination(indexName),
-  requestOptions
-);
-waitForTask(tmpIndexName, moveOperationResponse.getTaskID(), requestOptions);
+    copyOperationResponse = operationIndex(
+      indexName,
+      new OperationIndexParams()
+        .setOperation(OperationType.COPY)
+        .setDestination(tmpIndexName)
+        .addScope(ScopeType.SETTINGS)
+        .addScope(ScopeType.RULES)
+        .addScope(ScopeType.SYNONYMS),
+      requestOptions
+    );
+    waitForTask(tmpIndexName, copyOperationResponse.getTaskID(), requestOptions);
 
-return new ReplaceAllObjectsResponse()
-  .setCopyOperationResponse(copyOperationResponse)
-  .setBatchResponses(batchResponses)
-  .setMoveOperationResponse(moveOperationResponse);
+    // Move temporary index to source index
+    UpdatedAtResponse moveOperationResponse = operationIndex(
+      tmpIndexName,
+      new OperationIndexParams().setOperation(OperationType.MOVE).setDestination(indexName),
+      requestOptions
+    );
+    waitForTask(tmpIndexName, moveOperationResponse.getTaskID(), requestOptions);
+
+    return new ReplaceAllObjectsResponse()
+      .setCopyOperationResponse(copyOperationResponse)
+      .setBatchResponses(batchResponses)
+      .setMoveOperationResponse(moveOperationResponse);
+  } catch (Exception e) {
+    deleteIndex(tmpIndexName);
+
+    throw e;
+  }
 }
 
 /**