| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.drill.exec.vector.accessor.impl; |
| |
| /** |
| * Interface for dumping object state in a hierarchical fashion during |
| * debugging. |
| */ |
| |
| public interface HierarchicalFormatter { |
| |
| HierarchicalFormatter startObject(Object obj); |
| void extend(); |
| HierarchicalFormatter attribute(String label); |
| HierarchicalFormatter attribute(String label, Object value); |
| HierarchicalFormatter attributeIdentity(String label, Object value); |
| HierarchicalFormatter attributeArray(String label); |
| HierarchicalFormatter element(int index, Object value); |
| HierarchicalFormatter elementIdentity(int index, Object value); |
| HierarchicalFormatter element(int index); |
| HierarchicalFormatter endArray(); |
| HierarchicalFormatter endObject(); |
| } |