/**
* 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.persistence;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.api.resources.ResourceInstance;
import org.apache.ambari.server.api.services.NamedPropertySet;
import org.apache.ambari.server.api.services.RequestBody;
import org.apache.ambari.server.controller.spi.ClusterController;
import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
import org.apache.ambari.server.controller.spi.NoSuchResourceException;
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.ResourceAlreadyExistsException;
import org.apache.ambari.server.controller.spi.Schema;
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.ambari.server.security.authorization.AuthorizationException;
import org.apache.ambari.server.security.authorization.AuthorizationHelper;
import org.apache.ambari.server.security.authorization.ResourceType;
import org.apache.ambari.server.security.authorization.RoleAuthorization;
/**
* Persistence Manager implementation.
*/
public class PersistenceManagerImpl implements PersistenceManager {
/**
* Cluster Controller reference.
*/
private ClusterController m_controller;
/**
* Constructor.
*
* @param controller the cluster controller
*/
public PersistenceManagerImpl(ClusterController controller) {
m_controller = controller;
}
@Override
public RequestStatus create(ResourceInstance resource, RequestBody requestBody)
throws UnsupportedPropertyException,
SystemException,
ResourceAlreadyExistsException,
NoSuchParentResourceException {
if (!AuthorizationHelper.isAuthorized(ResourceType.CLUSTER, null,
EnumSet.of(RoleAuthorization.CLUSTER_MANAGE_USER_PERSISTED_DATA))) {
throw new AuthorizationException("The authenticated user does not have authorization " +
"to create/store user persisted data.");
}
if (resource != null) {
Map<Resource.Type, String> mapResourceIds = resource.getKeyValueMap();
Resource.Type type = resource.getResourceDefinition().getType();
Schema schema = m_controller.getSchema(type);
Set<NamedPropertySet> setProperties = requestBody.getNamedPropertySets();
if (setProperties.isEmpty()) {
requestBody.addPropertySet(new NamedPropertySet("", new HashMap<String, Object>()));
}
for (NamedPropertySet propertySet : setProperties) {
for (Map.Entry<Resource.Type, String> entry : mapResourceIds.entrySet()) {
Map<String, Object> mapProperties = propertySet.getProperties();
String property = schema.getKeyPropertyId(entry.getKey());
if (!mapProperties.containsKey(property)) {
mapProperties.put(property, entry.getValue());
}
}
}
return m_controller.createResources(type, createControllerRequest(requestBody));
} else {
throw new NoSuchParentResourceException("Resource is null");
}
}
@Override
public RequestStatus update(ResourceInstance resource, RequestBody requestBody)
throws UnsupportedPropertyException, SystemException, NoSuchParentResourceException, NoSuchResourceException {
Map<Resource.Type, String> mapResourceIds = resource.getKeyValueMap();
Resource.Type type = resource.getResourceDefinition().getType();
Schema schema = m_controller.getSchema(type);
Set<NamedPropertySet> setProperties = requestBody.getNamedPropertySets();
for (NamedPropertySet propertySet : setProperties) {
for (Map.Entry<Resource.Type, String> entry : mapResourceIds.entrySet()) {
if (entry.getValue() != null) {
Map<String, Object> mapProperties = propertySet.getProperties();
String property = schema.getKeyPropertyId(entry.getKey());
if (!mapProperties.containsKey(property)) {
mapProperties.put(property, entry.getValue());
}
}
}
}
return m_controller.updateResources(type, createControllerRequest(requestBody), resource.getQuery().getPredicate());
}
@Override
public RequestStatus delete(ResourceInstance resource, RequestBody requestBody)
throws UnsupportedPropertyException, SystemException, NoSuchParentResourceException, NoSuchResourceException {
//todo: need to account for multiple resources and user predicate
return m_controller.deleteResources(resource.getResourceDefinition().getType(),
createControllerRequest(requestBody), resource.getQuery().getPredicate());
}
protected Request createControllerRequest(RequestBody body) {
return PropertyHelper.getCreateRequest(body.getPropertySets(), body.getRequestInfoProperties());
}
}