/**
* 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.StackConfigurationResponse;
import org.apache.ambari.server.controller.StackLevelConfigurationRequest;
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;
import org.apache.commons.lang.StringUtils;
public class StackLevelConfigurationResourceProvider extends
ReadOnlyResourceProvider {
public static final String STACK_NAME_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "stack_name");
public static final String STACK_VERSION_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "stack_version");
public static final String PROPERTY_NAME_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_name");
public static final String PROPERTY_DISPLAY_NAME_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_display_name");
public static final String PROPERTY_VALUE_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_value");
public static final String PROPERTY_VALUE_ATTRIBUTES_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_value_attributes");
public static final String DEPENDS_ON_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_depends_on");
public static final String PROPERTY_DESCRIPTION_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_description");
public static final String PROPERTY_PROPERTY_TYPE_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "property_type");
public static final String PROPERTY_TYPE_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "type");
public static final String PROPERTY_FINAL_PROPERTY_ID = PropertyHelper
.getPropertyId("StackLevelConfigurations", "final");
private static Set<String> pkPropertyIds = new HashSet<>(
Arrays.asList(new String[]{STACK_NAME_PROPERTY_ID,
STACK_VERSION_PROPERTY_ID, PROPERTY_NAME_PROPERTY_ID}));
protected StackLevelConfigurationResourceProvider(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<StackLevelConfigurationRequest> requests = new HashSet<>();
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<StackConfigurationResponse> responses = getResources(new Command<Set<StackConfigurationResponse>>() {
@Override
public Set<StackConfigurationResponse> invoke() throws AmbariException {
return getManagementController().getStackLevelConfigurations(requests);
}
});
Set<Resource> resources = new HashSet<>();
for (StackConfigurationResponse response : responses) {
Resource resource = new ResourceImpl(Resource.Type.StackLevelConfiguration);
setResourceProperty(resource, STACK_NAME_PROPERTY_ID,
response.getStackName(), requestedIds);
setResourceProperty(resource, STACK_VERSION_PROPERTY_ID,
response.getStackVersion(), requestedIds);
setResourceProperty(resource, PROPERTY_NAME_PROPERTY_ID,
response.getPropertyName(), requestedIds);
setResourceProperty(resource, PROPERTY_VALUE_PROPERTY_ID,
response.getPropertyValue(), requestedIds);
setResourceProperty(resource, PROPERTY_VALUE_ATTRIBUTES_PROPERTY_ID,
response.getPropertyValueAttributes(), requestedIds);
setResourceProperty(resource, DEPENDS_ON_PROPERTY_ID,
response.getDependsOnProperties(), requestedIds);
setResourceProperty(resource, PROPERTY_DESCRIPTION_PROPERTY_ID,
response.getPropertyDescription(), requestedIds);
//should not be returned if empty
if (StringUtils.isNotEmpty(response.getPropertyDisplayName())) {
setResourceProperty(resource, PROPERTY_DISPLAY_NAME_PROPERTY_ID,
response.getPropertyDisplayName(), requestedIds);
}
setResourceProperty(resource, PROPERTY_PROPERTY_TYPE_PROPERTY_ID,
response.getPropertyType(), requestedIds);
setResourceProperty(resource, PROPERTY_TYPE_PROPERTY_ID,
response.getType(), requestedIds);
setDefaultPropertiesAttributes(resource, requestedIds);
for (Map.Entry<String, String> attribute : response.getPropertyAttributes().entrySet()) {
setResourceProperty(resource, PropertyHelper.getPropertyId("StackLevelConfigurations", attribute.getKey()),
attribute.getValue(), requestedIds);
}
resources.add(resource);
}
return resources;
}
/**
* Set default values for properties attributes before applying original ones
* to prevent absence in case of empty attributes map
*/
private void setDefaultPropertiesAttributes(Resource resource, Set<String> requestedIds) {
setResourceProperty(resource, PROPERTY_FINAL_PROPERTY_ID,
"false", requestedIds);
}
private StackLevelConfigurationRequest getRequest(Map<String, Object> properties) {
return new StackLevelConfigurationRequest(
(String) properties.get(STACK_NAME_PROPERTY_ID),
(String) properties.get(STACK_VERSION_PROPERTY_ID),
(String) properties.get(PROPERTY_NAME_PROPERTY_ID));
}
@Override
protected Set<String> getPKPropertyIds() {
return pkPropertyIds;
}
}