| /** |
| * 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.StackVersionRequest; |
| import org.apache.ambari.server.controller.StackVersionResponse; |
| 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.Resource.Type; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.controller.utilities.PropertyHelper; |
| |
| public class StackVersionResourceProvider extends ReadOnlyResourceProvider { |
| |
| protected StackVersionResourceProvider(Set<String> propertyIds, |
| Map<Type, String> keyPropertyIds, |
| AmbariManagementController managementController) { |
| super(propertyIds, keyPropertyIds, managementController); |
| } |
| |
| public static final String STACK_VERSION_PROPERTY_ID = PropertyHelper |
| .getPropertyId("Versions", "stack_version"); |
| |
| private static final String STACK_NAME_PROPERTY_ID = PropertyHelper |
| .getPropertyId("Versions", "stack_name"); |
| |
| private static final String STACK_MIN_VERSION_PROPERTY_ID = PropertyHelper |
| .getPropertyId("Versions", "min_upgrade_version"); |
| |
| private static final String STACK_ACTIVE_PROPERTY_ID = PropertyHelper |
| .getPropertyId("Versions", "active"); |
| |
| private static Set<String> pkPropertyIds = new HashSet<String>( |
| Arrays.asList(new String[] { STACK_NAME_PROPERTY_ID, |
| STACK_VERSION_PROPERTY_ID })); |
| |
| private static final String STACK_PARENT_PROPERTY_ID = PropertyHelper |
| .getPropertyId("Versions", "parent_stack_version"); |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, |
| NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<StackVersionRequest> requests = new HashSet<StackVersionRequest>(); |
| |
| 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<StackVersionResponse> responses = getResources(new Command<Set<StackVersionResponse>>() { |
| @Override |
| public Set<StackVersionResponse> invoke() throws AmbariException { |
| return getManagementController().getStackVersions(requests); |
| } |
| }); |
| |
| Set<Resource> resources = new HashSet<Resource>(); |
| |
| for (StackVersionResponse response : responses) { |
| Resource resource = new ResourceImpl(Resource.Type.StackVersion); |
| |
| setResourceProperty(resource, STACK_NAME_PROPERTY_ID, |
| response.getStackName(), requestedIds); |
| |
| setResourceProperty(resource, STACK_VERSION_PROPERTY_ID, |
| response.getStackVersion(), requestedIds); |
| |
| setResourceProperty(resource, STACK_MIN_VERSION_PROPERTY_ID, |
| response.getMinUpgradeVersion(), requestedIds); |
| |
| setResourceProperty(resource, STACK_ACTIVE_PROPERTY_ID, |
| response.isActive(), requestedIds); |
| |
| setResourceProperty(resource, STACK_PARENT_PROPERTY_ID, |
| response.getParentVersion(), requestedIds); |
| |
| resources.add(resource); |
| } |
| |
| return resources; |
| } |
| |
| private StackVersionRequest getRequest(Map<String, Object> properties) { |
| return new StackVersionRequest( |
| (String) properties.get(STACK_NAME_PROPERTY_ID), |
| (String) properties.get(STACK_VERSION_PROPERTY_ID)); |
| } |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| } |