Java tutorial
/** * 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.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.Map; import java.util.Set; import org.apache.ambari.server.AmbariException; import org.apache.ambari.server.api.resources.RepositoryResourceDefinition; import org.apache.ambari.server.controller.AmbariManagementController; import org.apache.ambari.server.controller.RepositoryRequest; import org.apache.ambari.server.controller.RepositoryResponse; 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.RequestStatus; import org.apache.ambari.server.controller.spi.Resource; import org.apache.ambari.server.controller.spi.Resource.Type; import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException; import org.apache.ambari.server.controller.spi.SystemException; import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; import org.apache.ambari.server.controller.utilities.PropertyHelper; import org.apache.commons.lang.BooleanUtils; public class RepositoryResourceProvider extends AbstractControllerResourceProvider { public static final String REPOSITORY_REPO_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "repo_name"); public static final String REPOSITORY_STACK_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "stack_name"); public static final String REPOSITORY_STACK_VERSION_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "stack_version"); public static final String REPOSITORY_OS_TYPE_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "os_type"); public static final String REPOSITORY_BASE_URL_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "base_url"); public static final String REPOSITORY_REPO_ID_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "repo_id"); public static final String REPOSITORY_MIRRORS_LIST_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "mirrors_list"); public static final String REPOSITORY_DEFAULT_BASE_URL_PROPERTY_ID = PropertyHelper .getPropertyId("Repositories", "default_base_url"); public static final String REPOSITORY_VERIFY_BASE_URL_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "verify_base_url"); public static final String REPOSITORY_LATEST_BASE_URL_PROPERTY_ID = PropertyHelper.getPropertyId("Repositories", "latest_base_url"); public static final String REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID = PropertyHelper .getPropertyId("Repositories", "repository_version_id"); @SuppressWarnings("serial") private static Set<String> pkPropertyIds = new HashSet<String>() { { add(REPOSITORY_STACK_NAME_PROPERTY_ID); add(REPOSITORY_STACK_VERSION_PROPERTY_ID); add(REPOSITORY_OS_TYPE_PROPERTY_ID); add(REPOSITORY_REPO_ID_PROPERTY_ID); } }; @SuppressWarnings("serial") public static Set<String> propertyIds = new HashSet<String>() { { add(REPOSITORY_REPO_NAME_PROPERTY_ID); add(REPOSITORY_STACK_NAME_PROPERTY_ID); add(REPOSITORY_STACK_VERSION_PROPERTY_ID); add(REPOSITORY_OS_TYPE_PROPERTY_ID); add(REPOSITORY_BASE_URL_PROPERTY_ID); add(REPOSITORY_REPO_ID_PROPERTY_ID); add(REPOSITORY_MIRRORS_LIST_PROPERTY_ID); add(REPOSITORY_DEFAULT_BASE_URL_PROPERTY_ID); add(REPOSITORY_VERIFY_BASE_URL_PROPERTY_ID); add(REPOSITORY_LATEST_BASE_URL_PROPERTY_ID); add(REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID); } }; @SuppressWarnings("serial") public static Map<Type, String> keyPropertyIds = new HashMap<Type, String>() { { put(Resource.Type.Stack, REPOSITORY_STACK_NAME_PROPERTY_ID); put(Resource.Type.StackVersion, REPOSITORY_STACK_VERSION_PROPERTY_ID); put(Resource.Type.OperatingSystem, REPOSITORY_OS_TYPE_PROPERTY_ID); put(Resource.Type.Repository, REPOSITORY_REPO_ID_PROPERTY_ID); put(Resource.Type.RepositoryVersion, REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID); } }; public RepositoryResourceProvider(AmbariManagementController managementController) { super(propertyIds, keyPropertyIds, managementController); } @Override public RequestStatus updateResources(Request request, Predicate predicate) throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { final Set<RepositoryRequest> requests = new HashSet<RepositoryRequest>(); Iterator<Map<String, Object>> iterator = request.getProperties().iterator(); if (iterator.hasNext()) { for (Map<String, Object> propertyMap : getPropertyMaps(iterator.next(), predicate)) { requests.add(getRequest(propertyMap)); } } modifyResources(new Command<Void>() { @Override public Void invoke() throws AmbariException { getManagementController().updateRepositories(requests); return null; } }); return getRequestStatus(null); } @Override public Set<Resource> getResources(Request request, Predicate predicate) throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { final Set<RepositoryRequest> requests = new HashSet<RepositoryRequest>(); 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<RepositoryResponse> responses = getResources(new Command<Set<RepositoryResponse>>() { @Override public Set<RepositoryResponse> invoke() throws AmbariException { return getManagementController().getRepositories(requests); } }); Set<Resource> resources = new HashSet<Resource>(); for (RepositoryResponse response : responses) { Resource resource = new ResourceImpl(Resource.Type.Repository); setResourceProperty(resource, REPOSITORY_STACK_NAME_PROPERTY_ID, response.getStackName(), requestedIds); setResourceProperty(resource, REPOSITORY_STACK_VERSION_PROPERTY_ID, response.getStackVersion(), requestedIds); setResourceProperty(resource, REPOSITORY_REPO_NAME_PROPERTY_ID, response.getRepoName(), requestedIds); setResourceProperty(resource, REPOSITORY_BASE_URL_PROPERTY_ID, response.getBaseUrl(), requestedIds); setResourceProperty(resource, REPOSITORY_OS_TYPE_PROPERTY_ID, response.getOsType(), requestedIds); setResourceProperty(resource, REPOSITORY_REPO_ID_PROPERTY_ID, response.getRepoId(), requestedIds); setResourceProperty(resource, REPOSITORY_MIRRORS_LIST_PROPERTY_ID, response.getMirrorsList(), requestedIds); setResourceProperty(resource, REPOSITORY_DEFAULT_BASE_URL_PROPERTY_ID, response.getDefaultBaseUrl(), requestedIds); setResourceProperty(resource, REPOSITORY_LATEST_BASE_URL_PROPERTY_ID, response.getLatestBaseUrl(), requestedIds); if (response.getRepositoryVersionId() != null) { setResourceProperty(resource, REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID, response.getRepositoryVersionId(), requestedIds); } resources.add(resource); } return resources; } @Override public RequestStatus createResources(Request request) throws SystemException, UnsupportedPropertyException, ResourceAlreadyExistsException, NoSuchParentResourceException { final String validateOnlyProperty = request.getRequestInfoProperties() .get(RepositoryResourceDefinition.VALIDATE_ONLY_DIRECTIVE); if (BooleanUtils.toBoolean(validateOnlyProperty)) { final Set<RepositoryRequest> requests = new HashSet<RepositoryRequest>(); final Iterator<Map<String, Object>> iterator = request.getProperties().iterator(); if (iterator.hasNext()) { for (Map<String, Object> propertyMap : request.getProperties()) { requests.add(getRequest(propertyMap)); } } createResources(new Command<Void>() { @Override public Void invoke() throws AmbariException { getManagementController().verifyRepositories(requests); return null; } }); return getRequestStatus(null); } else { throw new SystemException("Cannot create repositories.", null); } } @Override public RequestStatus deleteResources(Predicate predicate) throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException { throw new SystemException("Cannot delete repositories.", null); } private RepositoryRequest getRequest(Map<String, Object> properties) { RepositoryRequest request = new RepositoryRequest( (String) properties.get(REPOSITORY_STACK_NAME_PROPERTY_ID), (String) properties.get(REPOSITORY_STACK_VERSION_PROPERTY_ID), (String) properties.get(REPOSITORY_OS_TYPE_PROPERTY_ID), (String) properties.get(REPOSITORY_REPO_ID_PROPERTY_ID)); if (properties.containsKey(REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID)) { request.setRepositoryVersionId( Long.parseLong(properties.get(REPOSITORY_REPOSITORY_VERSION_ID_PROPERTY_ID).toString())); } if (properties.containsKey(REPOSITORY_BASE_URL_PROPERTY_ID)) { request.setBaseUrl((String) properties.get(REPOSITORY_BASE_URL_PROPERTY_ID)); if (properties.containsKey(REPOSITORY_VERIFY_BASE_URL_PROPERTY_ID)) { request.setVerifyBaseUrl( "true".equalsIgnoreCase(properties.get(REPOSITORY_VERIFY_BASE_URL_PROPERTY_ID).toString())); } } return request; } @Override public Set<String> getPKPropertyIds() { return pkPropertyIds; } }