package com.thinkbiganalytics.feedmgr.sla;
/*-
* #%L
* thinkbig-feed-manager-controller
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.google.common.collect.Lists;
import com.thinkbiganalytics.classnameregistry.ClassNameChangeRegistry;
import com.thinkbiganalytics.metadata.sla.alerts.ServiceLevelAgreementActionUtil;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreementAction;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreementActionConfig;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreementActionConfiguration;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreementActionValidation;
import com.thinkbiganalytics.policy.BasePolicyAnnotationTransformer;
import com.thinkbiganalytics.policy.rest.model.FieldRuleProperty;
import com.thinkbiganalytics.policy.rest.model.GenericBaseUiPolicyRuleBuilder;
import org.apache.commons.lang3.StringUtils;
import org.reflections.Reflections;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Transform to/from {@link ServiceLevelAgreementActionUiConfigurationItem} / {@link ServiceLevelAgreementActionConfiguration}
*/
public class ServiceLevelAgreementActionConfigTransformer
extends BasePolicyAnnotationTransformer<ServiceLevelAgreementActionUiConfigurationItem, ServiceLevelAgreementActionConfiguration, ServiceLevelAgreementActionConfig> {
private static final ServiceLevelAgreementActionConfigTransformer instance = new ServiceLevelAgreementActionConfigTransformer();
public static ServiceLevelAgreementActionConfigTransformer instance() {
return instance;
}
public ServiceLevelAgreementActionUiConfigurationItem buildUiModel(ServiceLevelAgreementActionConfig annotation, ServiceLevelAgreementActionConfiguration policy,
List<FieldRuleProperty> properties) {
return buildUiModel(annotation, policy.getClass(), properties);
}
private ServiceLevelAgreementActionUiConfigurationItem buildUiModel(ServiceLevelAgreementActionConfig annotation, Class policyClass,
List<FieldRuleProperty> properties) {
String desc = annotation.description();
String shortDesc = annotation.shortDescription();
if (StringUtils.isBlank(desc) && StringUtils.isNotBlank(shortDesc)) {
desc = shortDesc;
}
if (StringUtils.isBlank(shortDesc) && StringUtils.isNotBlank(desc)) {
shortDesc = desc;
}
ServiceLevelAgreementActionUiConfigurationItem
rule =
(ServiceLevelAgreementActionUiConfigurationItem) new GenericBaseUiPolicyRuleBuilder<ServiceLevelAgreementActionUiConfigurationItem>(ServiceLevelAgreementActionUiConfigurationItem.class,
annotation.name()).objectClassType(policyClass)
.description(
desc).shortDescription(shortDesc).addProperties(properties).build();
rule.setActionClasses(Lists.newArrayList(annotation.actionClasses()));
return rule;
}
public List<ServiceLevelAgreementActionValidation> validateAction(String actionConfigurationClassName) {
List<ServiceLevelAgreementActionValidation> validation = null;
try {
Class<? extends ServiceLevelAgreementActionConfiguration> configurationClass = ClassNameChangeRegistry.findClass(actionConfigurationClassName);
ServiceLevelAgreementActionConfig annotation = (ServiceLevelAgreementActionConfig) configurationClass.getAnnotation(ServiceLevelAgreementActionConfig.class);
Class<? extends ServiceLevelAgreementAction>[] actions = annotation.actionClasses();
if (actions != null) {
List<Class<? extends ServiceLevelAgreementAction>> actionClassList = Lists.newArrayList(actions);
validation = ServiceLevelAgreementActionUtil.validateActionConfiguration(actionClassList);
} else {
validation.add(new ServiceLevelAgreementActionValidation(false, "No Actions are defined for :" + actionConfigurationClassName));
}
} catch (ClassNotFoundException e) {
validation.add(new ServiceLevelAgreementActionValidation(false, "ImmutableAction Configuration Not Found: " + e.getMessage()));
}
return validation;
}
public List<ServiceLevelAgreementActionUiConfigurationItem> discoverActionConfigurations() {
List<ServiceLevelAgreementActionUiConfigurationItem> rules = new ArrayList<>();
Set<Class<?>>
items = new Reflections("com.thinkbiganalytics").getTypesAnnotatedWith(ServiceLevelAgreementActionConfig.class);
for (Class c : items) {
List<FieldRuleProperty> properties = getUiProperties(c);
ServiceLevelAgreementActionConfig policy = (ServiceLevelAgreementActionConfig) c.getAnnotation(ServiceLevelAgreementActionConfig.class);
ServiceLevelAgreementActionUiConfigurationItem
configItem = buildUiModel(policy, c, properties);
rules.add(configItem);
}
return rules;
}
@Override
public void afterFromUiModel(ServiceLevelAgreementActionConfiguration policy, ServiceLevelAgreementActionUiConfigurationItem uiModel) {
super.afterFromUiModel(policy, uiModel);
policy.setActionClasses(uiModel.getActionClasses());
}
@Override
public Class<ServiceLevelAgreementActionConfig> getAnnotationClass() {
return ServiceLevelAgreementActionConfig.class;
}
}