| /** |
| * 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.resources; |
| |
| import org.apache.ambari.server.controller.utilities.ClusterControllerHelper; |
| import org.apache.ambari.server.api.services.Request; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.Schema; |
| import org.apache.ambari.server.api.util.TreeNode; |
| |
| import java.util.*; |
| |
| /** |
| * Component resource definition. |
| */ |
| public class ComponentResourceDefinition extends BaseResourceDefinition { |
| |
| /** |
| * Constructor. |
| */ |
| public ComponentResourceDefinition() { |
| super(Resource.Type.Component); |
| } |
| |
| @Override |
| public String getPluralName() { |
| return "components"; |
| } |
| |
| @Override |
| public String getSingularName() { |
| return "component"; |
| } |
| |
| |
| @Override |
| public Set<SubResourceDefinition> getSubResourceDefinitions() { |
| return Collections.singleton(new SubResourceDefinition( |
| Resource.Type.HostComponent, Collections.singleton(Resource.Type.Host), true)); |
| } |
| |
| @Override |
| public List<PostProcessor> getPostProcessors() { |
| List<PostProcessor> listProcessors = super.getPostProcessors(); |
| listProcessors.add(new ComponentHrefProcessor()); |
| |
| return listProcessors; |
| } |
| |
| /** |
| * Base resource processor which generates href's. This is called by the |
| * {@link org.apache.ambari.server.api.services.ResultPostProcessor} during post processing of a result. |
| */ |
| private class ComponentHrefProcessor extends BaseHrefPostProcessor { |
| @Override |
| public void process(Request request, TreeNode<Resource> resultNode, String href) { |
| TreeNode<Resource> parent = resultNode.getParent(); |
| |
| if (parent.getParent() != null && parent.getParent().getObject().getType() == Resource.Type.HostComponent) { |
| Resource r = resultNode.getObject(); |
| Schema schema = ClusterControllerHelper.getClusterController().getSchema(r.getType()); |
| Object serviceId = r.getPropertyValue(schema.getKeyPropertyId(Resource.Type.Service)); |
| Object componentId = r.getPropertyValue(schema.getKeyPropertyId(r.getType())); |
| |
| href = href.substring(0, href.indexOf("/hosts/") + 1) + |
| "services/" + serviceId + "/components/" + componentId; |
| |
| resultNode.setProperty("href", href); |
| } else { |
| super.process(request, resultNode, href); |
| } |
| } |
| } |
| } |