import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
/**
 * Reads multiple instances of an Entity Type.
 *
 * @param entitySet
 *     Entity Set to read from
 * @param uriInfo
 *     contains filter, order by and paging arguments
 * @return entities
 * @throws ODataApplicationException
 *     if error occurred handling filter option
 */
public EntityCollection list(EdmEntitySet entitySet, UriInfo uriInfo)
    throws ODataApplicationException {

  SearchRequestBuilder searchRequest = elasticsearchTemplate.getClient()
      .prepareSearch(toIndexName(entitySet))
      .setTypes(toTypeName(entitySet))
      .setQuery(toQueryBuilder(uriInfo.getFilterOption()));

  configureSorting(uriInfo, searchRequest);
  configurePaging(uriInfo, searchRequest);

  SearchResponse response = searchRequest.execute().actionGet();

  EntityCollection entityCollection = new EntityCollection();
  List<Entity> entities = entityCollection.getEntities();
  response.getHits().forEach(hit -> {
    Entity entity = toEntity(entitySet, hit.getId(), hit.getSource());
    entities.add(entity);
  });

  return entityCollection;
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
static public EntityCollection readReferenceCollection(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo,
		UriType uriType) throws OData2SparqlException, EdmException, ODataApplicationException, ExpressionVisitException {
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	RdfEntityType rdfEntityType = null;
	EdmEntitySet edmEntitySet = null;

	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	edmEntitySet = uriResourceEntitySet.getEntitySet();
	rdfEntityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);
	SparqlQueryBuilder sparqlBuilder = new SparqlQueryBuilder(rdfEdmProvider.getRdfModel(),
			rdfEdmProvider.getEdmMetadata(), uriInfo, uriType);

	//prepareQuery
	SparqlStatement sparqlStatement = sparqlBuilder.prepareEntityLinksSparql();
	SparqlEntityCollection rdfResults = sparqlStatement.executeConstruct(rdfEdmProvider, rdfEntityType, null, null);

	if (rdfResults == null) {
		throw new ODataApplicationException("No results", HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
				Locale.ENGLISH);
	} else {
		return rdfResults;
	}
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public static Entity writeEntity(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo, Entity requestEntity)
		throws OData2SparqlException, ODataApplicationException {
	SparqlStatement sparqlStatement = null;
	EdmEntitySet edmEntitySet = Util.getEdmEntitySet(uriInfo);
	RdfEntityType entityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);
	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateInsertEntity(entityType, requestEntity);
	} catch (Exception e) {
		log.error(e.getMessage());
		throw new OData2SparqlException(e.getMessage());
	}
	sparqlStatement.executeInsert(rdfEdmProvider);
	return requestEntity;
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public static void deleteEntity(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo) throws OData2SparqlException {
	SparqlStatement sparqlStatement = null;
	// 1. Retrieve the entity set which belongs to the requested entity
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
	RdfEntityType entityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);
	// 2. delete the data in backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();

	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateDeleteEntity(entityType, keyPredicates);
	} catch (Exception e) {
		log.error(e.getMessage());
		throw new OData2SparqlException(e.getMessage());
	}
	sparqlStatement.executeDelete(rdfEdmProvider);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public static void updateEntity(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo, Entity requestEntity,
		HttpMethod httpMethod) throws OData2SparqlException {
	SparqlStatement sparqlStatement = null;
	// 1. Retrieve the entity set which belongs to the requested entity
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
	//EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	RdfEntityType entityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);

	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	// Note that this updateEntity()-method is invoked for both PUT or PATCH operations  
	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateUpdateEntity(entityType, keyPredicates,
				requestEntity);
	} catch (Exception e) {
		log.error(e.getMessage());
		throw new OData2SparqlException(e.getMessage());
	}
	sparqlStatement.executeDelete(rdfEdmProvider);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public static void updatePrimitiveValue(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo, Object entry)
		throws OData2SparqlException {
	SparqlStatement sparqlStatement = null;
	// 1. Retrieve the entity set which belongs to the requested entity
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	RdfEntityType entityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);

	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	UriResourcePrimitiveProperty uriResourcePrimitiveProperty = (UriResourcePrimitiveProperty) resourcePaths.get(1);
	EdmProperty edmProperty = uriResourcePrimitiveProperty.getProperty();

	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateUpdateEntitySimplePropertyValue(entityType,
				keyPredicates, edmProperty.getName(), entry);
	} catch (Exception e) {
		log.error(e.getMessage());
		throw new OData2SparqlException(e.getMessage());
	}
	sparqlStatement.executeUpdate(rdfEdmProvider);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public static void deleteEntityReference(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo) throws OData2SparqlException {
	SparqlStatement sparqlStatement = null;
	// 1. Retrieve the entity set which belongs to the requested entity
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	RdfEntityType entityType = rdfEdmProvider.getRdfEntityTypefromEdmEntitySet(edmEntitySet);

	List<UriParameter> entityKeyPredicates = uriResourceEntitySet.getKeyPredicates();
	UriResourceNavigation uriResourceNavigation = (UriResourceNavigation) resourcePaths.get(1);
	RdfAssociation navigationProperty = entityType
			.findNavigationProperty(uriResourceNavigation.getProperty().getName());
	List<UriParameter> navigationKeyPredicates = uriResourceNavigation.getKeyPredicates();
	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateDeleteLinkQuery( entityType, entityKeyPredicates,navigationProperty,navigationKeyPredicates);
	} catch (Exception e) {
		log.error(e.getMessage());
		throw new OData2SparqlException(e.getMessage());
	}
	sparqlStatement.executeInsert(rdfEdmProvider);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
/**
 * Helper method for providing some sample data.
 *
 * @param edmEntitySet
 *            for which the data is requested
 * @return data of requested entity set
 */
private EntitySet getData(UriInfo uriInfo) {
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths
			.get(0); // in our example, the first segment is the EntitySet
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	EntitySet entitySet = null;

	Map<String, EntityProvider> entityProviders = ctx
			.getBeansOfType(EntityProvider.class);

	for (String entity : entityProviders.keySet()) {
		EntityProvider entityProvider = entityProviders.get(entity);
		if (entityProvider
				.getEntityType().getName()
				
				.equals(edmEntitySet.getEntityType().getName())) {
			entitySet = entityProvider.getEntitySet(uriInfo);
			break;
		}
	}
	return entitySet;
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public Entity create(final EdmEntitySet edmEntitySet) throws DataProviderException {
  final EdmEntityType edmEntityType = edmEntitySet.getEntityType();
  EntityCollection entitySet = readAll(edmEntitySet);
  final List<Entity> entities = entitySet.getEntities();
  final Map<String, Object> newKey = findFreeComposedKey(entities, edmEntitySet.getEntityType());
  Entity newEntity = new Entity();
  newEntity.setType(edmEntityType.getFullQualifiedName().getFullQualifiedNameAsString());
  for (final String keyName : edmEntityType.getKeyPredicateNames()) {
    newEntity.addProperty(DataCreator.createPrimitive(keyName, newKey.get(keyName)));
  }

  createProperties(edmEntityType, newEntity.getProperties());
  try {
    newEntity
        .setId(URI.create(odata.createUriHelper().buildCanonicalURL(edmEntitySet, newEntity)));
  } catch (final SerializerException e) {
    throw new DataProviderException("Unable to set entity ID!", e);
  }
  entities.add(newEntity);

  return newEntity;
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
private void handleDeleteSingleNavigationProperties(final EdmEntitySet edmEntitySet,
    final Entity entity, final Entity changedEntity) throws DataProviderException {
  final EdmEntityType entityType = edmEntitySet.getEntityType();
  final List<String> navigationPropertyNames = entityType.getNavigationPropertyNames();

  for (final String navPropertyName : navigationPropertyNames) {
    final Link navigationLink = changedEntity.getNavigationLink(navPropertyName);
    final EdmNavigationProperty navigationProperty =
        entityType.getNavigationProperty(navPropertyName);
    if (!navigationProperty.isCollection() && navigationLink != null
        && navigationLink.getInlineEntity() == null) {

      // Check if partner is available
      if (navigationProperty.getPartner() != null
          && entity.getNavigationLink(navPropertyName) != null) {
        Entity partnerEntity = entity.getNavigationLink(navPropertyName).getInlineEntity();
        removeLink(navigationProperty.getPartner(), partnerEntity);
      }

      // Remove link
      removeLink(navigationProperty, entity);
    }
  }
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
private static ContextURL getContextUrl(final EdmEntitySet entitySet,
                                        final EdmEntityType entityType,
                                        final boolean isSingleEntity)
        throws ODataLibraryException
{
    ContextURL.Builder builder = ContextURL.with();

    builder = (entitySet == null)
            ? isSingleEntity
                    ? builder.type(entityType)
                    : builder.asCollection().type(entityType)
            : builder.entitySet(entitySet);
    builder = builder.suffix((isSingleEntity && (entitySet != null))
            ? ContextURL.Suffix.ENTITY
            : null);

    return builder.build();
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo)
         throws ODataApplicationException {
	
	// 1. Retrieve the entity set which belongs to the requested entity 
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); 
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();

	// 2. delete the data in backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	storage.deleteEntityData(edmEntitySet, keyPredicates);
	
	//3. configure the response object
	response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
@Test
public void primitiveCollectionPropertyIEEE754CompatibleDecimal() throws Exception {
  final EdmEntitySet edmEntitySet = entityContainer.getEntitySet("ESCollAllPrim");
  final EdmProperty edmProperty = (EdmProperty) edmEntitySet.getEntityType().getProperty("CollPropertyDecimal");
  final Property property = data.readAll(edmEntitySet).getEntities().get(0).getProperty(edmProperty.getName());

  final String resultString = IOUtils.toString(serializerIEEECompatible
      .primitiveCollection(metadata, (EdmPrimitiveType) edmProperty.getType(), property,
          PrimitiveSerializerOptions.with()
              .contextURL(ContextURL.with()
                  .entitySet(edmEntitySet).keyPath("1").navOrPropertyPath(edmProperty.getName()).build())
              .build()).getContent());
  Assert.assertEquals("{"
      + "\"@context\":\"$metadata#ESCollAllPrim(1)/CollPropertyDecimal\","
      + "\"@metadataEtag\":\"W/\\\"metadataETag\\\"\","
      + "\"value\":[\"12\",\"-2\",\"1234\"]}",
      resultString);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
protected static Property primitiveCollectionBoundAction(final String name, final Map<String, Parameter> parameters,
    final Map<String, EntityCollection> data, 
    EdmEntitySet edmEntitySet, List<UriParameter> keyList, final OData oData) throws DataProviderException {
  List<Object> collectionValues = new ArrayList<Object>();
  if ("BAETTwoPrimRTCollString".equals(name)) {
    EdmPrimitiveType strType = oData.createPrimitiveTypeInstance(EdmPrimitiveTypeKind.String);
    try {
      String strValue1 = strType.valueToString("ABC", false, 100, null, null, false);
      collectionValues.add(strValue1);
      String strValue2 = strType.valueToString("XYZ", false, 100, null, null, false);
      collectionValues.add(strValue2);
    } catch (EdmPrimitiveTypeException e) {
      throw new DataProviderException("EdmPrimitiveTypeException", HttpStatusCode.BAD_REQUEST, e);
    }
    return new Property(null, name, ValueType.COLLECTION_PRIMITIVE, collectionValues);
  }
  throw new DataProviderException("Action " + name + " is not yet implemented.",
      HttpStatusCode.NOT_IMPLEMENTED);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
@Test
public void buildRelativeFiveNavigation() throws Exception {
  final EdmEntitySet entitySet = entityContainer.getEntitySet("ESTwoPrim");
  String odataPath = "ESAllPrim(32767)/NavPropertyETTwoPrimOne/NavPropertyETAllPrimOne/" +
                      "NavPropertyETTwoPrimOne/NavPropertyETAllPrimOne/NavPropertyETTwoPrimOne";
  ContextURL contextURL = ContextURL.with()
          .oDataPath("/" + odataPath)
          .entitySet(entitySet).suffix(ContextURL.Suffix.ENTITY).build();
  assertEquals("../../../../../$metadata#ESTwoPrim/$entity", ContextURLBuilder.create(contextURL).toASCIIString());

  // removed leading '/'
  contextURL = ContextURL.with()
          .oDataPath(odataPath)
          .entitySet(entitySet).suffix(ContextURL.Suffix.ENTITY).build();
  assertEquals("../../../../../$metadata#ESTwoPrim/$entity", ContextURLBuilder.create(contextURL).toASCIIString());
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
@Test
public void primitiveProperty() throws Exception {
  final EdmEntitySet edmEntitySet = entityContainer.getEntitySet("ESAllPrim");
  final EdmProperty edmProperty = (EdmProperty) edmEntitySet.getEntityType().getProperty("PropertyString");
  final Property property = data.readAll(edmEntitySet).getEntities().get(0).getProperty(edmProperty.getName());
  final String resultString = IOUtils.toString(serializer
      .primitive(metadata, (EdmPrimitiveType) edmProperty.getType(), property,
          PrimitiveSerializerOptions.with()
              .contextURL(ContextURL.with()
                  .entitySet(edmEntitySet).keyPath("32767").navOrPropertyPath(edmProperty.getName())
                  .build())
              .build()).getContent());
  Assert.assertEquals("{"
      + "\"@context\":\"$metadata#ESAllPrim(32767)/PropertyString\","
      + "\"@metadataEtag\":\"W/\\\"metadataETag\\\"\","
      + "\"value\":\"First Resource - positive values\"}",
      resultString);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
                          ContentType requestFormat, ContentType responseFormat)
						throws ODataApplicationException, DeserializerException, SerializerException {
	
	// 1. Retrieve the entity set which belongs to the requested entity 
	List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
	// Note: only in our example we can assume that the first segment is the EntitySet
	UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); 
	EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
	EdmEntityType edmEntityType = edmEntitySet.getEntityType();

	// 2. update the data in backend
	// 2.1. retrieve the payload from the PUT request for the entity to be updated 
	InputStream requestInputStream = request.getBody();
	ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// 2.2 do the modification in backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	// Note that this updateEntity()-method is invoked for both PUT or PATCH operations
	HttpMethod httpMethod = request.getMethod();
	storage.updateEntityData(edmEntitySet, keyPredicates, requestEntity, httpMethod);
	
	//3. configure the response object
	response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
@Test
public void testDeltaForStream() throws Exception {
  final EdmEntitySet edmEntitySet = entityContainer.getEntitySet("ESWithStream");
  Delta delta = new Delta();
  List<DeltaLink> addedLinks = new ArrayList<DeltaLink>();
  DeltaLink link1 = new DeltaLink();
  link1.setRelationship("NavPropertyETAllPrimOne");
  link1.setSource(new URI("ESDelta(100)"));
  link1.setTarget(new URI("ESAllPrim(0)"));
  addedLinks.add(link1 );
  delta.getAddedLinks().addAll(addedLinks );
   InputStream stream = ser.entityCollection(metadata, edmEntitySet.getEntityType(), delta ,
      EntityCollectionSerializerOptions.with()
      .contextURL(ContextURL.with().entitySet(edmEntitySet).build())
      .build()).getContent();
     String jsonString = IOUtils.toString(stream);
     final String expectedResult = "{"
         + "\"@context\":\"$metadata#ESWithStream/$delta\","
         + "\"value\":[{\"@context\":\"#ESWithStream/$link\","
         + "\"source\":\"ESDelta(100)\",\"relationship\":"
         + "\"NavPropertyETAllPrimOne\",\"target\":\"ESAllPrim(0)\"}]"      
         + "}";
     Assert.assertNotNull(jsonString);
     Assert.assertEquals(expectedResult, jsonString);
   }
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
@Test
public void expandSelect() throws Exception {
  final EdmEntitySet edmEntitySet = entityContainer.getEntitySet("ESTwoPrim");
  final EdmEntityType entityType = edmEntitySet.getEntityType();
  final Entity entity = data.readAll(edmEntitySet).getEntities().get(3);
  final SelectOption select = ExpandSelectMock.mockSelectOption(Collections.singletonList(
      ExpandSelectMock.mockSelectItem(entityContainer.getEntitySet("ESAllPrim"), "PropertyDate")));
  ExpandItem expandItem = ExpandSelectMock.mockExpandItem(edmEntitySet, "NavPropertyETAllPrimOne");
  Mockito.when(expandItem.getSelectOption()).thenReturn(select);
  final ExpandOption expand = ExpandSelectMock.mockExpandOption(Collections.singletonList(expandItem));
  final String resultString = IOUtils.toString(serializer
      .entity(metadata, entityType, entity,
          EntitySerializerOptions.with()
              .contextURL(ContextURL.with().entitySet(edmEntitySet)
                  .selectList(helper.buildContextURLSelectList(entityType, expand, select))
                  .suffix(Suffix.ENTITY).build())
              .expand(expand)
              .build()).getContent());
  Assert.assertEquals("{"
      + "\"@context\":\"$metadata#ESTwoPrim(NavPropertyETAllPrimOne(PropertyDate))/$entity\","
      + "\"@metadataEtag\":\"W/\\\"metadataETag\\\"\","
      + "\"PropertyInt16\":32767,\"PropertyString\":\"Test String4\","
      + "\"NavPropertyETAllPrimOne\":{\"@id\":\"ESAllPrim(32767)\",\"PropertyDate\":\"2012-12-03\"}}",
      resultString);
}
 

import org.apache.olingo.commons.api.edm.EdmEntitySet; //导入依赖的package包/类
private SerializerResult serializeDeltaPayloads(final ODataRequest request, final Delta delta, 
    final EdmEntitySet edmEntitySet, final EdmEntityType edmEntityType,
    final ContentType requestedFormat, final ExpandOption expand, final SelectOption select,
    final CountOption countOption, String id) throws ODataLibraryException {

  return odata.createEdmDeltaSerializer(requestedFormat, request.getHeaders(HttpHeader.ODATA_VERSION))
      .entityCollection(serviceMetadata,
      edmEntityType, delta,
      EntityCollectionSerializerOptions.with()
      .contextURL(isODataMetadataNone(requestedFormat) ? null :
        getContextUrl(request.getRawODataPath(), edmEntitySet, edmEntityType, false, expand, select, false))
    .count(countOption)
    .expand(expand).select(select)
    .id(id)
    .build());
 
}