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EPOS Database APIs useful to interact with EPOS Metadata Catalogue
package metadataapis;
import abstractapis.AbstractAPI;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import commonapis.*;
import model.*;
import org.epos.eposdatamodel.Documentation;
import org.epos.eposdatamodel.LinkedEntity;
import relationsapi.CategoryRelationsAPI;
import relationsapi.ContactPointRelationsAPI;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.UUID;
public class WebServiceAPI extends AbstractAPI {
public WebServiceAPI(String entityName, Class edmClass) {
super(entityName, edmClass);
}
@Override
public LinkedEntity create(org.epos.eposdatamodel.WebService obj) {
List returnList = getDbaccess().getOneFromDB(
obj.getInstanceId(),
obj.getMetaId(),
obj.getUid(),
obj.getVersionId(),
getEdmClass());
if(!returnList.isEmpty()){
obj.setInstanceId(returnList.get(0).getInstanceId());
obj.setMetaId(returnList.get(0).getMetaId());
obj.setUid(returnList.get(0).getUid());
obj.setVersionId(returnList.get(0).getVersionId());
}
obj = (org.epos.eposdatamodel.WebService) VersioningStatusAPI.checkVersion(obj);
Webservice edmobj = new Webservice();
edmobj.setVersionId(obj.getVersionId());
edmobj.setInstanceId(obj.getInstanceId());
edmobj.setMetaId(obj.getMetaId());
getDbaccess().updateObject(edmobj);
edmobj.setUid(Optional.ofNullable(obj.getUid()).orElse(getEdmClass().getSimpleName()+"/"+UUID.randomUUID().toString()));
edmobj.setName(obj.getName());
edmobj.setDescription(obj.getDescription());
edmobj.setEntrypoint(obj.getEntryPoint());
edmobj.setKeywords(obj.getKeywords());
edmobj.setLicense(obj.getLicense());
edmobj.setAaaitypes(obj.getAaaiTypes());
if (obj.getDatePublished() != null)
edmobj.setDatapublished(Timestamp.valueOf(obj.getDatePublished()));
if (obj.getDateModified() != null)
edmobj.setDatamodified(Timestamp.valueOf(obj.getDateModified()));
/** PUBLISHER **/
if (obj.getProvider() != null) {
OrganizationAPI organizationAPI = new OrganizationAPI(EntityNames.ORGANIZATION.name(), Organization.class);
List list = dbaccess.getOneFromDBByInstanceId(obj.getProvider().getInstanceId(),Organization.class);
Organization organization1 = null;
if(list.isEmpty()){
LinkedEntity le = LinkedEntityAPI.createFromLinkedEntity(obj.getProvider());
organization1 = (Organization) dbaccess.getOneFromDBByInstanceId(le.getInstanceId(), Organization.class).get(0);
} else {
organization1 = list.get(0);
}
edmobj.setProvider(organization1.getInstanceId());
}
/** CATEGORY **/
if (obj.getCategory() != null && !obj.getCategory().isEmpty())
CategoryRelationsAPI.createRelation(edmobj,obj);
/** CONTACTPOINT **/
if (obj.getContactPoint() != null && !obj.getContactPoint().isEmpty())
ContactPointRelationsAPI.createRelation(edmobj,obj);
/** DOCUMENTATION **/
if(obj.getDocumentation()!=null && !obj.getDocumentation().isEmpty()){
edmobj.setWebserviceElementsByInstanceId(new ArrayList<>());
for(Documentation documentation : obj.getDocumentation()) {
JsonObject documentationObj = new JsonObject();
documentationObj.addProperty("Title", documentation.getTitle());
documentationObj.addProperty("Description", documentation.getDescription());
documentationObj.addProperty("Uri", documentation.getUri());
String doc = new Gson().toJson(documentationObj);
createInnerElement(ElementType.DOCUMENTATION, doc, edmobj);
}
}
/** SPATIAL **/
if (obj.getSpatialExtent() != null && !obj.getSpatialExtent().isEmpty()) {
List webserviceSpatialList = getDbaccess().getAllFromDB(WebserviceSpatial.class);
for(WebserviceSpatial item : webserviceSpatialList){
if(item.getWebserviceInstanceId().equals(obj.getInstanceId())){
getDbaccess().deleteObject(item);
}
}
SpatialAPI spatialAPI = new SpatialAPI(EntityNames.LOCATION.name(), Spatial.class);
edmobj.setWebserviceSpatialsByInstanceId(new ArrayList<>());
for(org.epos.eposdatamodel.LinkedEntity location : obj.getSpatialExtent()){
List list = dbaccess.getOneFromDBByInstanceId(location.getInstanceId(),Spatial.class);
Spatial spatial = null;
if(list.isEmpty()){
LinkedEntity le = LinkedEntityAPI.createFromLinkedEntity(location);
spatial = (Spatial) dbaccess.getOneFromDBByInstanceId(le.getInstanceId(), Spatial.class).get(0);
} else {
spatial = list.get(0);
}
WebserviceSpatial pi = new WebserviceSpatial();
pi.setWebserviceByWebserviceInstanceId(edmobj);
pi.setWebserviceInstanceId(edmobj.getInstanceId());
pi.setSpatialInstanceId(spatial.getInstanceId());
pi.setSpatialBySpatialInstanceId(spatial);
edmobj.getWebserviceSpatialsByInstanceId().add(pi);
dbaccess.updateObject(pi);
}
}
/** TEMPORAL **/
if (obj.getTemporalExtent() != null && !obj.getTemporalExtent().isEmpty()) {
List equipmentTemporalList = getDbaccess().getAllFromDB(WebserviceTemporal.class);
for(WebserviceTemporal item : equipmentTemporalList){
if(item.getWebserviceInstanceId().equals(obj.getInstanceId())){
getDbaccess().deleteObject(item);
}
}
TemporalAPI temporalAPI = new TemporalAPI(EntityNames.PERIODOFTIME.name(), Temporal.class);
edmobj.setWebserviceTemporalsByInstanceId(new ArrayList<>());
for(org.epos.eposdatamodel.LinkedEntity periodOfTime : obj.getTemporalExtent()){
List list = dbaccess.getOneFromDBByInstanceId(periodOfTime.getInstanceId(),Temporal.class);
Temporal temporal = null;
if(list.isEmpty()){
LinkedEntity le = LinkedEntityAPI.createFromLinkedEntity(periodOfTime);
temporal = (Temporal) dbaccess.getOneFromDBByInstanceId(le.getInstanceId(), Temporal.class).get(0);
} else {
temporal = list.get(0);
}
WebserviceTemporal pi = new WebserviceTemporal();
pi.setWebserviceByWebserviceInstanceId(edmobj);
pi.setWebserviceInstanceId(edmobj.getInstanceId());
pi.setTemporalInstanceId(temporal.getInstanceId());
pi.setTemporalByTemporalInstanceId(temporal);
edmobj.getWebserviceTemporalsByInstanceId().add(pi);
dbaccess.updateObject(pi);
}
}
/** TODO: SUPPORTEDOPERATION **/
if (obj.getSupportedOperation() != null && !obj.getSupportedOperation().isEmpty()) {
List operationWebserviceList = getDbaccess().getAllFromDB(OperationWebservice.class);
for(OperationWebservice item : operationWebserviceList){
if(item.getOperationInstanceId().equals(obj.getInstanceId())){
getDbaccess().deleteObject(item);
}
}
edmobj.setOperationWebservicesByInstanceId(new ArrayList<>());
for(LinkedEntity operation : obj.getSupportedOperation()){
List list = dbaccess.getOneFromDBByInstanceId(operation.getInstanceId(),Operation.class);
Operation operation1 = null;
if(list.isEmpty()){
LinkedEntity le = LinkedEntityAPI.createFromLinkedEntity(operation);
operation1 = (Operation) dbaccess.getOneFromDBByInstanceId(le.getInstanceId(), Operation.class).get(0);
} else {
operation1 = list.get(0);
}
OperationWebservice pi = new OperationWebservice();
pi.setOperationByOperationInstanceId(operation1);
pi.setOperationInstanceId(operation1.getInstanceId());
pi.setWebserviceInstanceId(edmobj.getInstanceId());
pi.setWebserviceByWebserviceInstanceId(edmobj);
edmobj.getOperationWebservicesByInstanceId().add(pi);
dbaccess.updateObject(pi);
}
}
if (obj.getRelation() != null && !obj.getRelation().isEmpty()) {
for(LinkedEntity le : obj.getRelation()){
WebserviceRelation pi = new WebserviceRelation();
pi.setResourceEntity(EntityNames.valueOf(le.getEntityType()).name());
pi.setEntityInstanceId(le.getInstanceId());
pi.setWebserviceByWebserviceInstanceId(edmobj);
pi.setWebserviceInstanceId(edmobj.getInstanceId());
edmobj.setWebserviceRelationByInstanceId(pi);
dbaccess.updateObject(pi);
}
}
getDbaccess().updateObject(edmobj);
return new LinkedEntity().entityType(entityName)
.instanceId(edmobj.getInstanceId())
.metaId(edmobj.getMetaId())
.uid(edmobj.getUid());
}
private void createInnerElement(ElementType elementType, String value, Webservice edmobj){
org.epos.eposdatamodel.Element element = new org.epos.eposdatamodel.Element();
element.setType(elementType);
element.setValue(value);
ElementAPI api = new ElementAPI(EntityNames.ELEMENT.name(), Element.class);
LinkedEntity le = api.create(element);
List el = dbaccess.getOneFromDBByInstanceId(le.getInstanceId(), Element.class);
WebserviceElement ce = new WebserviceElement();
ce.setWebserviceByWebserviceInstanceId(edmobj);
ce.setWebserviceInstanceId(edmobj.getInstanceId());
ce.setElementByElementInstanceId(el.get(0));
ce.setElementInstanceId(el.get(0).getInstanceId());
edmobj.getWebserviceElementsByInstanceId().add(ce);
dbaccess.updateObject(ce);
}
@Override
public org.epos.eposdatamodel.WebService retrieve(String instanceId) {
Webservice edmobj = (Webservice) getDbaccess().getOneFromDBByInstanceId(instanceId, Webservice.class).get(0);
org.epos.eposdatamodel.WebService o = new org.epos.eposdatamodel.WebService();
o.setInstanceId(edmobj.getInstanceId());
o.setMetaId(edmobj.getMetaId());
o.setUid(edmobj.getUid());
o.setDateModified(
edmobj.getDatamodified() != null ? edmobj.getDatamodified().toLocalDateTime() : null
);
o.setDatePublished(
edmobj.getDatapublished() != null ? edmobj.getDatapublished().toLocalDateTime() : null
);
o.setDescription(edmobj.getDescription());
o.setEntryPoint(edmobj.getEntrypoint());
o.setLicense(edmobj.getLicense());
o.setName(edmobj.getName());
o.setAaaiTypes(edmobj.getAaaitypes());
if(edmobj.getWebserviceCategoriesByInstanceId().size()>0) {
for(WebserviceCategory ed : edmobj.getWebserviceCategoriesByInstanceId()) {
CategoryAPI api = new CategoryAPI(EntityNames.CATEGORY.name(), Category.class);
LinkedEntity cp = api.retrieveLinkedEntity(ed.getCategoryInstanceId());
o.addCategory(cp);
}
}
if(edmobj.getWebserviceContactpointsByInstanceId().size()>0) {
for(WebserviceContactpoint ed : edmobj.getWebserviceContactpointsByInstanceId()) {
ContactPointAPI api = new ContactPointAPI(EntityNames.CONTACTPOINT.name(), Contactpoint.class);
LinkedEntity cp = api.retrieveLinkedEntity(ed.getContactpointInstanceId());
o.addContactPoint(cp);
}
}
if(edmobj.getProvider()!=null) {
OrganizationAPI api = new OrganizationAPI(EntityNames.ORGANIZATION.name(), Organization.class);
o.setProvider(api.retrieveLinkedEntity(edmobj.getProvider()));
}
if(edmobj.getWebserviceElementsByInstanceId().size()>0) {
for(WebserviceElement ed : edmobj.getWebserviceElementsByInstanceId()) {
Element el = ed.getElementByElementInstanceId();
if(el.getType().equals(ElementType.PAGEURL)) {
JsonObject doc = new Gson().fromJson(el.getValue(), JsonObject.class);
Documentation documentation = new Documentation();
documentation.setTitle(doc.get("Title").getAsString());
documentation.setDescription(doc.get("Description").getAsString());
documentation.setUri(doc.get("Uri").getAsString());
o.addDocumentation(documentation);
}
}
}
if(edmobj.getWebserviceSpatialsByInstanceId().size()>0) {
SpatialAPI api = new SpatialAPI(EntityNames.LOCATION.name(), Spatial.class);
for(WebserviceSpatial ed : edmobj.getWebserviceSpatialsByInstanceId()) {
org.epos.eposdatamodel.LinkedEntity cp = api.retrieveLinkedEntity(ed.getSpatialInstanceId());
o.addSpatialExtentItem(cp);
}
}
if(edmobj.getWebserviceTemporalsByInstanceId().size()>0) {
TemporalAPI api = new TemporalAPI(EntityNames.PERIODOFTIME.name(), Temporal.class);
for(WebserviceTemporal ed : edmobj.getWebserviceTemporalsByInstanceId()) {
org.epos.eposdatamodel.LinkedEntity cp = api.retrieveLinkedEntity(ed.getTemporalInstanceId());
o.addTemporalExtent(cp);
}
}
if(edmobj.getOperationWebservicesByInstanceId().size()>0) {
for(OperationWebservice ed : edmobj.getOperationWebservicesByInstanceId()) {
OperationAPI api = new OperationAPI(EntityNames.OPERATION.name(), Operation.class);
LinkedEntity cp = api.retrieveLinkedEntity(ed.getOperationInstanceId());
o.addSupportedOperation(cp);
}
}
/** TODO: RELATION **/
o = (org.epos.eposdatamodel.WebService) VersioningStatusAPI.retrieveVersion(o);
return o;
}
@Override
public List retrieveAll() {
List list = getDbaccess().getAllFromDB(Webservice.class);
List returnList = new ArrayList<>();
for(Webservice item : list){
returnList.add(retrieve(item.getInstanceId()));
}
return returnList;
}
@Override
public LinkedEntity retrieveLinkedEntity(String instanceId) {
Webservice edmobj = (Webservice) getDbaccess().getOneFromDBByInstanceId(instanceId, Webservice.class).get(0);
LinkedEntity o = new LinkedEntity();
o.setInstanceId(edmobj.getInstanceId());
o.setMetaId(edmobj.getMetaId());
o.setUid(edmobj.getUid());
o.setEntityType(EntityNames.WEBSERVICE.name());
return o;
}
}