| /** |
| * 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.controller.internal; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.HostRequest; |
| import org.apache.ambari.server.controller.HostResponse; |
| import org.apache.ambari.server.controller.RootServiceHostComponentRequest; |
| import org.apache.ambari.server.controller.RootServiceHostComponentResponse; |
| import org.apache.ambari.server.controller.spi.NoSuchParentResourceException; |
| import org.apache.ambari.server.controller.spi.NoSuchResourceException; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.controller.spi.Resource.Type; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| public class RootServiceHostComponentResourceProvider extends |
| ReadOnlyResourceProvider { |
| |
| public static final String SERVICE_NAME_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "service_name"); |
| public static final String HOST_NAME_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "host_name"); |
| public static final String COMPONENT_NAME_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "component_name"); |
| public static final String COMPONENT_VERSION_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "component_version"); |
| public static final String COMPONENT_STATE_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "component_state"); |
| public static final String PROPERTIES_PROPERTY_ID = PropertyHelper |
| .getPropertyId("RootServiceHostComponents", "properties"); |
| |
| |
| private Set<String> pkPropertyIds = new HashSet<String>( |
| Arrays.asList(new String[] { SERVICE_NAME_PROPERTY_ID, HOST_NAME_PROPERTY_ID, COMPONENT_NAME_PROPERTY_ID })); |
| |
| |
| public RootServiceHostComponentResourceProvider(Set<String> propertyIds, |
| Map<Type, String> keyPropertyIds, |
| AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| } |
| |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, |
| NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<RootServiceHostComponentRequest> requests = new HashSet<RootServiceHostComponentRequest>(); |
| |
| if (predicate == null) { |
| requests.add(getRequest(Collections.<String, Object>emptyMap())); |
| } else { |
| for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) { |
| requests.add(getRequest(propertyMap)); |
| } |
| } |
| |
| Set<String> requestedIds = getRequestPropertyIds(request, predicate); |
| |
| Set<RootServiceHostComponentResponse> responses = getResources(new Command<Set<RootServiceHostComponentResponse>>() { |
| @Override |
| public Set<RootServiceHostComponentResponse> invoke() throws AmbariException { |
| return getRootServiceHostComponents(requests); |
| } |
| }); |
| |
| Set<Resource> resources = new HashSet<Resource>(); |
| |
| for (RootServiceHostComponentResponse response : responses) { |
| Resource resource = new ResourceImpl(Resource.Type.RootServiceHostComponent); |
| |
| setResourceProperty(resource, SERVICE_NAME_PROPERTY_ID, |
| response.getServiceName(), requestedIds); |
| |
| setResourceProperty(resource, HOST_NAME_PROPERTY_ID, |
| response.getHostName(), requestedIds); |
| |
| setResourceProperty(resource, COMPONENT_NAME_PROPERTY_ID, |
| response.getComponentName(), requestedIds); |
| |
| setResourceProperty(resource, COMPONENT_STATE_PROPERTY_ID, |
| response.getComponentState(), requestedIds); |
| |
| setResourceProperty(resource, COMPONENT_VERSION_PROPERTY_ID, |
| response.getComponentVersion(), requestedIds); |
| |
| setResourceProperty(resource, PROPERTIES_PROPERTY_ID, |
| response.getProperties(), requestedIds); |
| |
| resources.add(resource); |
| } |
| |
| return resources; |
| } |
| |
| private RootServiceHostComponentRequest getRequest(Map<String, Object> properties) { |
| return new RootServiceHostComponentRequest((String) properties.get(SERVICE_NAME_PROPERTY_ID), |
| (String) properties.get(HOST_NAME_PROPERTY_ID), |
| (String) properties.get(COMPONENT_NAME_PROPERTY_ID)); |
| } |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| // Get the root service host components for the given set of requests |
| protected Set<RootServiceHostComponentResponse> getRootServiceHostComponents( |
| Set<RootServiceHostComponentRequest> requests) throws AmbariException { |
| Set<RootServiceHostComponentResponse> response = new HashSet<RootServiceHostComponentResponse>(); |
| for (RootServiceHostComponentRequest request : requests) { |
| String serviceName = request.getServiceName(); |
| try { |
| Set<RootServiceHostComponentResponse> rootServiceHostComponents = getRootServiceHostComponents(request); |
| for (RootServiceHostComponentResponse rootServiceHostComponentResponse : rootServiceHostComponents ) { |
| rootServiceHostComponentResponse.setServiceName(serviceName); |
| } |
| |
| response.addAll(rootServiceHostComponents); |
| } catch (AmbariException e) { |
| if (requests.size() == 1) { |
| // only throw exception if 1 request. |
| // there will be > 1 request in case of OR predicate |
| throw e; |
| } |
| } |
| } |
| return response; |
| } |
| |
| // Get the root service host components for the given request |
| private Set<RootServiceHostComponentResponse> getRootServiceHostComponents( |
| RootServiceHostComponentRequest request) throws AmbariException{ |
| |
| AmbariManagementController controller = getManagementController(); |
| //Get all hosts of all clusters |
| Set<HostResponse> hosts = HostResourceProvider.getHosts(controller, |
| new HostRequest(request.getHostName(), null, null)); |
| |
| return controller.getRootServiceResponseFactory().getRootServiceHostComponent(request, hosts); |
| } |
| } |