/**
* 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.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.ObjectNotFoundException;
import org.apache.ambari.server.StaticallyInject;
import org.apache.ambari.server.controller.AmbariManagementController;
import org.apache.ambari.server.controller.WidgetResponse;
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.ambari.server.orm.dao.WidgetDAO;
import org.apache.ambari.server.orm.dao.WidgetLayoutDAO;
import org.apache.ambari.server.orm.entities.WidgetEntity;
import org.apache.ambari.server.orm.entities.WidgetLayoutEntity;
import org.apache.ambari.server.orm.entities.WidgetLayoutUserWidgetEntity;
import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.StringUtils;
import com.google.inject.Inject;
/**
* Resource provider for widget layout resources.
*/
@StaticallyInject
public class WidgetLayoutResourceProvider extends AbstractControllerResourceProvider {
// ----- Property ID constants ---------------------------------------------
public static final String WIDGETLAYOUT_ID_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "id");
public static final String WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "cluster_name");
public static final String WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "section_name");
public static final String WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "layout_name");
public static final String WIDGETLAYOUT_SCOPE_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "scope");
public static final String WIDGETLAYOUT_WIDGETS_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "widgets");
public static final String WIDGETLAYOUT_USERNAME_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "user_name");
public static final String WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID = PropertyHelper.getPropertyId("WidgetLayoutInfo", "display_name");
public enum SCOPE {
CLUSTER,
USER
}
@SuppressWarnings("serial")
private static Set<String> pkPropertyIds = new HashSet<String>() {
{
add(WIDGETLAYOUT_ID_PROPERTY_ID);
}
};
@SuppressWarnings("serial")
private static ReadWriteLock lock = new ReentrantReadWriteLock();
@SuppressWarnings("serial")
public static Set<String> propertyIds = new HashSet<String>() {
{
add(WIDGETLAYOUT_ID_PROPERTY_ID);
add(WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID);
add(WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID);
add(WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID);
add(WIDGETLAYOUT_WIDGETS_PROPERTY_ID);
add(WIDGETLAYOUT_SCOPE_PROPERTY_ID);
add(WIDGETLAYOUT_USERNAME_PROPERTY_ID);
add(WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID);
}
};
@SuppressWarnings("serial")
public static Map<Type, String> keyPropertyIds = new HashMap<Type, String>() {
{
put(Type.WidgetLayout, WIDGETLAYOUT_ID_PROPERTY_ID);
put(Type.Cluster, WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID);
put(Type.User, WIDGETLAYOUT_USERNAME_PROPERTY_ID);
}
};
@Inject
private static WidgetDAO widgetDAO;
@Inject
private static WidgetLayoutDAO widgetLayoutDAO;
/**
* Create a new resource provider.
*
*/
public WidgetLayoutResourceProvider(AmbariManagementController managementController) {
super(propertyIds, keyPropertyIds, managementController);
}
@Override
public RequestStatus createResources(final Request request)
throws SystemException,
UnsupportedPropertyException,
ResourceAlreadyExistsException,
NoSuchParentResourceException {
Set<Resource> associatedResources = new HashSet<>();
for (final Map<String, Object> properties : request.getProperties()) {
WidgetLayoutEntity widgetLayoutEntity = createResources(new Command<WidgetLayoutEntity>() {
@Override
public WidgetLayoutEntity invoke() throws AmbariException {
final String[] requiredProperties = {
WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID,
WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID,
WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID,
WIDGETLAYOUT_SCOPE_PROPERTY_ID,
WIDGETLAYOUT_WIDGETS_PROPERTY_ID,
WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID,
WIDGETLAYOUT_USERNAME_PROPERTY_ID
};
for (String propertyName : requiredProperties) {
if (properties.get(propertyName) == null) {
throw new AmbariException("Property " + propertyName + " should be provided");
}
}
final WidgetLayoutEntity entity = new WidgetLayoutEntity();
String userName = getUserName(properties);
Set widgetsSet = (LinkedHashSet) properties.get(WIDGETLAYOUT_WIDGETS_PROPERTY_ID);
String clusterName = properties.get(WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID).toString();
entity.setLayoutName(properties.get(WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID).toString());
entity.setClusterId(getManagementController().getClusters().getCluster(clusterName).getClusterId());
entity.setSectionName(properties.get(WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID).toString());
entity.setScope(properties.get(WIDGETLAYOUT_SCOPE_PROPERTY_ID).toString());
entity.setUserName(userName);
entity.setDisplayName(properties.get(WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID).toString());
List<WidgetLayoutUserWidgetEntity> widgetLayoutUserWidgetEntityList = new LinkedList<>();
int order=0;
for (Object widgetObject : widgetsSet) {
HashMap<String, Object> widget = (HashMap) widgetObject;
long id = Integer.parseInt(widget.get("id").toString());
WidgetEntity widgetEntity = widgetDAO.findById(id);
if (widgetEntity == null) {
throw new AmbariException("Widget with id " + widget.get("id").toString() + " does not exists");
}
WidgetLayoutUserWidgetEntity widgetLayoutUserWidgetEntity = new WidgetLayoutUserWidgetEntity();
widgetLayoutUserWidgetEntity.setWidget(widgetEntity);
widgetLayoutUserWidgetEntity.setWidgetOrder(order++);
widgetLayoutUserWidgetEntity.setWidgetLayout(entity);
widgetLayoutUserWidgetEntityList.add(widgetLayoutUserWidgetEntity);
widgetEntity.getListWidgetLayoutUserWidgetEntity().add(widgetLayoutUserWidgetEntity);
}
entity.setListWidgetLayoutUserWidgetEntity(widgetLayoutUserWidgetEntityList);
widgetLayoutDAO.create(entity);
notifyCreate(Type.WidgetLayout, request);
return entity;
}
});
Resource resource = new ResourceImpl(Type.WidgetLayout);
resource.setProperty(WIDGETLAYOUT_ID_PROPERTY_ID, widgetLayoutEntity.getId());
associatedResources.add(resource);
}
return getRequestStatus(null, associatedResources);
}
@Override
public Set<Resource> getResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<Resource> resources = new HashSet<>();
final Set<String> requestedIds = getRequestPropertyIds(request, predicate);
final Set<Map<String, Object>> propertyMaps = getPropertyMaps(predicate);
List<WidgetEntity> widgetEntities = new ArrayList<>();
List<WidgetLayoutEntity> layoutEntities = new ArrayList<>();
for (Map<String, Object> propertyMap: propertyMaps) {
String userName = getUserName(propertyMap);
if (propertyMap.get(WIDGETLAYOUT_ID_PROPERTY_ID) != null) {
final Long id;
try {
id = Long.parseLong(propertyMap.get(WIDGETLAYOUT_ID_PROPERTY_ID).toString());
} catch (Exception ex) {
throw new SystemException("WidgetLayout should have numerical id");
}
final WidgetLayoutEntity entity = widgetLayoutDAO.findById(id);
if (entity == null) {
throw new NoSuchResourceException("WidgetLayout with id " + id + " does not exists");
}
layoutEntities.add(entity);
} else {
layoutEntities.addAll(widgetLayoutDAO.findAll());
}
}
for (WidgetLayoutEntity layoutEntity : layoutEntities) {
Resource resource = new ResourceImpl(Type.WidgetLayout);
resource.setProperty(WIDGETLAYOUT_ID_PROPERTY_ID, layoutEntity.getId());
String clusterName = null;
try {
clusterName = getManagementController().getClusters().getClusterById(layoutEntity.getClusterId()).getClusterName();
} catch (AmbariException e) {
throw new SystemException(e.getMessage());
}
resource.setProperty(WIDGETLAYOUT_CLUSTER_NAME_PROPERTY_ID, clusterName);
resource.setProperty(WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID, layoutEntity.getLayoutName());
resource.setProperty(WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID, layoutEntity.getSectionName());
resource.setProperty(WIDGETLAYOUT_SCOPE_PROPERTY_ID, layoutEntity.getScope());
resource.setProperty(WIDGETLAYOUT_USERNAME_PROPERTY_ID, layoutEntity.getUserName());
resource.setProperty(WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID, layoutEntity.getDisplayName());
List<HashMap> widgets = new ArrayList<>();
List<WidgetLayoutUserWidgetEntity> widgetLayoutUserWidgetEntityList = layoutEntity.getListWidgetLayoutUserWidgetEntity();
for (WidgetLayoutUserWidgetEntity widgetLayoutUserWidgetEntity : widgetLayoutUserWidgetEntityList) {
WidgetEntity widgetEntity = widgetLayoutUserWidgetEntity.getWidget();
HashMap<String, Object> widgetInfoMap = new HashMap<>();
widgetInfoMap.put("WidgetInfo",WidgetResponse.coerce(widgetEntity));
widgets.add(widgetInfoMap);
}
resource.setProperty(WIDGETLAYOUT_WIDGETS_PROPERTY_ID, widgets);
resources.add(resource);
}
return resources;
}
@Override
public RequestStatus updateResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<Map<String, Object>> propertyMaps = request.getProperties();
modifyResources(new Command<Void>() {
@Override
public Void invoke() throws AmbariException {
for (Map<String, Object> propertyMap : propertyMaps) {
final Long layoutId;
try {
layoutId = Long.parseLong(propertyMap.get(WIDGETLAYOUT_ID_PROPERTY_ID).toString());
} catch (Exception ex) {
throw new AmbariException("WidgetLayout should have numerical id");
}
lock.writeLock().lock();
try {
final WidgetLayoutEntity entity = widgetLayoutDAO.findById(layoutId);
if (entity == null) {
throw new ObjectNotFoundException("There is no widget layout with id " + layoutId);
}
if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID)))) {
entity.setLayoutName(propertyMap.get(WIDGETLAYOUT_LAYOUT_NAME_PROPERTY_ID).toString());
}
if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID)))) {
entity.setSectionName(propertyMap.get(WIDGETLAYOUT_SECTION_NAME_PROPERTY_ID).toString());
}
if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID)))) {
entity.setDisplayName(propertyMap.get(WIDGETLAYOUT_DISPLAY_NAME_PROPERTY_ID).toString());
}
if (StringUtils.isNotBlank(ObjectUtils.toString(propertyMap.get(WIDGETLAYOUT_SCOPE_PROPERTY_ID)))) {
entity.setScope(propertyMap.get(WIDGETLAYOUT_SCOPE_PROPERTY_ID).toString());
}
Set widgetsSet = (LinkedHashSet) propertyMap.get(WIDGETLAYOUT_WIDGETS_PROPERTY_ID);
//Remove old relations from widget entities
for (WidgetLayoutUserWidgetEntity widgetLayoutUserWidgetEntity : entity.getListWidgetLayoutUserWidgetEntity()) {
widgetLayoutUserWidgetEntity.getWidget().getListWidgetLayoutUserWidgetEntity()
.remove(widgetLayoutUserWidgetEntity);
}
entity.setListWidgetLayoutUserWidgetEntity(new LinkedList<WidgetLayoutUserWidgetEntity>());
List<WidgetLayoutUserWidgetEntity> widgetLayoutUserWidgetEntityList = new LinkedList<>();
int order = 0;
for (Object widgetObject : widgetsSet) {
HashMap<String, Object> widget = (HashMap) widgetObject;
long id = Integer.parseInt(widget.get("id").toString());
WidgetEntity widgetEntity = widgetDAO.findById(id);
if (widgetEntity == null) {
throw new AmbariException("Widget with id " + widget.get("id").toString() + " does not exists");
}
WidgetLayoutUserWidgetEntity widgetLayoutUserWidgetEntity = new WidgetLayoutUserWidgetEntity();
widgetLayoutUserWidgetEntity.setWidget(widgetEntity);
widgetLayoutUserWidgetEntity.setWidgetOrder(order++);
widgetLayoutUserWidgetEntity.setWidgetLayout(entity);
widgetLayoutUserWidgetEntityList.add(widgetLayoutUserWidgetEntity);
widgetEntity.getListWidgetLayoutUserWidgetEntity().add(widgetLayoutUserWidgetEntity);
entity.getListWidgetLayoutUserWidgetEntity().add(widgetLayoutUserWidgetEntity);
}
widgetLayoutDAO.mergeWithFlush(entity);
} finally {
lock.writeLock().unlock();
}
}
return null;
}
});
return getRequestStatus(null);
}
@Override
public RequestStatus deleteResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
final Set<Map<String, Object>> propertyMaps = getPropertyMaps(predicate);
final List<WidgetLayoutEntity> entitiesToBeRemoved = new ArrayList<>();
for (Map<String, Object> propertyMap : propertyMaps) {
final Long id;
try {
id = Long.parseLong(propertyMap.get(WIDGETLAYOUT_ID_PROPERTY_ID).toString());
} catch (Exception ex) {
throw new SystemException("WidgetLayout should have numerical id");
}
final WidgetLayoutEntity entity = widgetLayoutDAO.findById(id);
if (entity == null) {
throw new NoSuchResourceException("There is no widget layout with id " + id);
}
entitiesToBeRemoved.add(entity);
}
for (WidgetLayoutEntity entity: entitiesToBeRemoved) {
if (entity.getListWidgetLayoutUserWidgetEntity() != null) {
for (WidgetLayoutUserWidgetEntity layoutUserWidgetEntity : entity.getListWidgetLayoutUserWidgetEntity()) {
if (layoutUserWidgetEntity.getWidget().getListWidgetLayoutUserWidgetEntity() != null) {
layoutUserWidgetEntity.getWidget().getListWidgetLayoutUserWidgetEntity().remove(layoutUserWidgetEntity);
}
}
}
widgetLayoutDAO.remove(entity);
}
return getRequestStatus(null);
}
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
private String getUserName(Map<String, Object> properties) {
if (properties.get(WIDGETLAYOUT_USERNAME_PROPERTY_ID) != null) {
return properties.get(WIDGETLAYOUT_USERNAME_PROPERTY_ID).toString();
}
return getManagementController().getAuthName();
}
}