code: @Override
      public boolean addAll(final int index, final java.util.Collection<? extends TableOperation> c) {
          int size = this.size();
          for (final TableOperation operation : c) {
              Utility.assertNotNull("operation", operation);
              this.checkSingleQueryPerBatch(operation, size);
  
              if (operation.getEntity() == null) {
                  // Query operation
                  this.lockToPartitionKey(((QueryTableOperation) operation).getPartitionKey());
              }
              else {
                  this.lockToPartitionKey(operation.getEntity().getPartitionKey());
              }
  
              size++;
          }
  
          return super.addAll(index, c);
      }
docs: Adds the collection of table operations to the batch operation <code>ArrayList</code> starting at the specified
  index.
  
  @param index
  An <code>int</code> which represents the index in the batch operation <code>ArrayList</code> to add
  the table operation at.
  @param c
  A <code>java.util.Collection</code> of {@link TableOperation} objects to add to the batch operation.
  @return
  <code>true</code> if the operations were added successfully.