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/*-
* ============LICENSE_START=======================================================
* dcae-inventory
* ================================================================================
* Copyright (C) 2019 AT&T and Nokia Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package io.swagger.api.impl;
import io.swagger.api.DcaeServicesApi;
import io.swagger.api.DcaeServicesGroupbyApiService;
import org.onap.dcae.inventory.daos.InventoryDataAccessManager;
import org.onap.dcae.inventory.dbthings.models.DCAEServiceObject;
import io.swagger.model.DCAEServiceGroupByResults;
import io.swagger.model.DCAEServiceGroupByResultsPropertyValues;
import org.skife.jdbi.v2.Handle;
import org.skife.jdbi.v2.Query;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.UriInfo;
import java.util.List;
import java.util.Map;
@javax.annotation.Generated(value = "class io.swagger.codegen.languages.JavaJerseyServerCodegen", date = "2016-04-18T20:16:22.119Z")
public class DcaeServicesGroupByApiServiceImpl extends DcaeServicesGroupbyApiService {
public static final String PROPERTY_NAME_TYPE = "type";
public static final String PROPERTY_NAME_VNF_LOCATION = "vnfLocation";
public static final String PROPERTY_NAME_VNF_TYPE = "vnfType";
private static final String UNKNOWN_PROPERTY_NAME = "n/a";
private final RunningDcaeServicesProvider runningDcaeServicesProvider;
private final DcaeServicesLinkResolver dcaeServicesLinkResolver;
public DcaeServicesGroupByApiServiceImpl(
RunningDcaeServicesProvider runningDcaeServicesProvider,
DcaeServicesLinkResolver dcaeServicesLinkResolver) {
this.runningDcaeServicesProvider = runningDcaeServicesProvider;
this.dcaeServicesLinkResolver = dcaeServicesLinkResolver;
}
@Override
public Response dcaeServicesGroupbyPropertyNameGet(
String propertyName, UriInfo uriInfo, SecurityContext securityContext) {
String columnName = resolveColumnName(propertyName);
if(columnName.equals(UNKNOWN_PROPERTY_NAME)) {
return Response.status(Response.Status.BAD_REQUEST).build();
}
List<Map<String, Object>> runningDcaeServices = runningDcaeServicesProvider.fetch(columnName);
DCAEServiceGroupByResults response = generateResponse(propertyName, uriInfo, columnName, runningDcaeServices);
return Response.ok().entity(response).build();
}
DCAEServiceGroupByResults generateResponse(
String propertyName, UriInfo uriInfo, String columnName, List<Map<String, Object>> runningDcaeServices) {
DCAEServiceGroupByResults response = new DCAEServiceGroupByResults();
response.setPropertyName(propertyName);
for (Map<String, Object> result : runningDcaeServices) {
DCAEServiceGroupByResultsPropertyValues value = new DCAEServiceGroupByResultsPropertyValues();
value.setCount(((Long) result.get("num")).intValue());
String propertyValue = (String) result.get(columnName);
value.setPropertyValue(propertyValue);
Link dcaeServicesLink = dcaeServicesLinkResolver.resolveLink(propertyName, uriInfo, propertyValue);
value.setDcaeServiceQueryLink(dcaeServicesLink);
response.getPropertyValues().add(value);
}
return response;
}
String resolveColumnName(String propertyName) {
String columnName;
switch (propertyName) {
case PROPERTY_NAME_TYPE:
columnName = "type_id";
break;
case PROPERTY_NAME_VNF_LOCATION:
columnName = "vnf_location";
break;
case PROPERTY_NAME_VNF_TYPE:
columnName = "vnf_type";
break;
default:
columnName = UNKNOWN_PROPERTY_NAME;
}
return columnName;
}
public static class DcaeServicesLinkResolver {
private static final String RELATION = "dcae_services";
Link resolveLink(String propertyName, UriInfo uriInfo, String propertyValue) {
Link dcaeServices = null;
switch (propertyName) {
case PROPERTY_NAME_TYPE:
dcaeServices = DcaeServicesApi.buildLinkForGetByTypeId(uriInfo, RELATION,
propertyValue);
break;
case PROPERTY_NAME_VNF_LOCATION:
dcaeServices = DcaeServicesApi.buildLinkForGetByVnfLocation(uriInfo, RELATION,
propertyValue);
break;
case PROPERTY_NAME_VNF_TYPE:
dcaeServices = DcaeServicesApi.buildLinkForGetByVnfType(uriInfo, RELATION,
propertyValue);
break;
default:
throw new UnsupportedOperationException(String.format("Unsupported '%s' property name!", propertyName));
}
return dcaeServices;
}
}
public static class RunningDcaeServicesProvider {
private static final String SERVICE_STATUS_PLACE_HOLDER = "serviceStatus";
public RunningDcaeServicesProvider(InventoryDataAccessManager inventoryDataAccessManager) {
this.inventoryDataAccessManager = inventoryDataAccessManager;
}
private final InventoryDataAccessManager inventoryDataAccessManager;
public List<Map<String, Object>> fetch(String columnName) {
String queryString = createQuery(columnName);
try (Handle jdbiHandle = inventoryDataAccessManager.getHandle()) {
return executeQuery(queryString, jdbiHandle);
}
}
List<Map<String, Object>> executeQuery(String queryString, Handle jdbiHandle) {
// NOTE: This is hardcoded because service status is only used internally.
final Query<Map<String, Object>> query = jdbiHandle.createQuery(queryString);
final Query<Map<String, Object>> bind = query
.bind(SERVICE_STATUS_PLACE_HOLDER, DCAEServiceObject.DCAEServiceStatus.RUNNING);
return bind.list();
}
static String createQuery(String columnName) {
StringBuilder sb = new StringBuilder();
sb.append(String.format("select %s, count(1) as num ", columnName));
sb.append(String.format(" from dcae_services where status = :%s",SERVICE_STATUS_PLACE_HOLDER));
sb.append(String.format(" group by %s order by count(1) desc", columnName));
return sb.toString();
}
}
}
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