| /** |
| * 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.ambari.server.api.services; |
| |
| |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.api.util.TreeNode; |
| |
| /** |
| * Represents a result from a request handler invocation. |
| */ |
| public interface Result { |
| |
| public static enum STATUS { OK(200, "OK", false), CREATED(201, "Created", false), ACCEPTED(202, "Accepted", false), |
| CONFLICT(409, "Resource Conflict", true), NOT_FOUND(404, "Not Found", true), BAD_REQUEST(400, "Bad Request", true), |
| UNAUTHORIZED(401, "Unauthorized", true), FORBIDDEN(403, "Forbidden", true), |
| SERVER_ERROR(500, "Internal Server Error", true); |
| |
| private int m_code; |
| private String m_desc; |
| private boolean m_isErrorState; |
| |
| private STATUS(int code, String description, boolean isErrorState) { |
| m_code = code; |
| m_desc = description; |
| m_isErrorState = isErrorState; |
| } |
| |
| public int getStatus() { |
| return m_code; |
| } |
| |
| public String getDescription() { |
| return m_desc; |
| } |
| |
| public boolean isErrorState() { |
| return m_isErrorState; |
| } |
| |
| @Override |
| public String toString() { |
| return getDescription(); |
| } |
| }; |
| |
| /** |
| * Obtain the results of the request invocation as a Tree structure. |
| * |
| * @return the results of the request a a Tree structure |
| */ |
| public TreeNode<Resource> getResultTree(); |
| |
| /** |
| * Determine whether the request was handled synchronously. |
| * If the request is synchronous, all work was completed prior to returning. |
| * |
| * @return true if the request was synchronous, false if it was asynchronous |
| */ |
| public boolean isSynchronous(); |
| |
| public ResultStatus getStatus(); |
| |
| public void setResultStatus(ResultStatus status); |
| } |