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.thinkbiganalytics.metadata.sla.api.Metric;
import com.thinkbiganalytics.metadata.sla.api.ServiceLevelAgreementMetric;
import com.thinkbiganalytics.policy.BasePolicyAnnotationTransformer;
import com.thinkbiganalytics.policy.ReflectionPolicyAnnotationDiscoverer;
import com.thinkbiganalytics.policy.rest.model.FieldRuleProperty;
import com.thinkbiganalytics.policy.rest.model.GenericBaseUiPolicyRuleBuilder;
import org.apache.commons.lang3.StringUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Transforms UI Model to/from Metric class
*/
public class ServiceLevelAgreementMetricTransformer
extends BasePolicyAnnotationTransformer<ServiceLevelAgreementRule, Metric, ServiceLevelAgreementMetric> implements ServiceLevelAgreementTransformer {
private static final ServiceLevelAgreementMetricTransformer instance = new ServiceLevelAgreementMetricTransformer();
public static ServiceLevelAgreementMetricTransformer instance() {
return instance;
}
@Override
public ServiceLevelAgreementRule buildUiModel(ServiceLevelAgreementMetric annotation, Metric policy,
List<FieldRuleProperty> properties) {
return buildUiModel(annotation, policy.getClass(), properties);
}
private ServiceLevelAgreementRule buildUiModel(ServiceLevelAgreementMetric 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;
}
ServiceLevelAgreementRule
rule =
(ServiceLevelAgreementRule) new GenericBaseUiPolicyRuleBuilder<ServiceLevelAgreementRule>(ServiceLevelAgreementRule.class, annotation.name()).objectClassType(policyClass)
.description(desc).shortDescription(shortDesc).addProperties(properties).build();
return rule;
}
public List<ServiceLevelAgreementRule> discoverSlaMetrics() {
List<ServiceLevelAgreementRule> rules = new ArrayList<>();
Set<Class<?>>
metrics = ReflectionPolicyAnnotationDiscoverer.getTypesAnnotatedWith(ServiceLevelAgreementMetric.class);
for (Class c : metrics) {
List<FieldRuleProperty> properties = getUiProperties(c);
ServiceLevelAgreementMetric policy = (ServiceLevelAgreementMetric) c.getAnnotation(ServiceLevelAgreementMetric.class);
rules.add(buildUiModel(policy, c, properties));
}
return rules;
}
@Override
public Class<ServiceLevelAgreementMetric> getAnnotationClass() {
return ServiceLevelAgreementMetric.class;
}
}