Java UriResourceEntitySet.getEntitySet方法代码示例

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
@Override
public void visit(UriResourceEntitySet info) {
	this.edmEntitySet = info.getEntitySet();
	this.edmEntityTable = findTable(edmEntitySet, this.metadata);
	this.edmEntityTableGroup = new GroupSymbol("g0", this.edmEntityTable.getFullName()); //$NON-NLS-1$
	this.fromClause = new UnaryFromClause(this.edmEntityTableGroup);

	// URL is like /entitySet(key)s
	if (info.getKeyPredicates() != null && !info.getKeyPredicates().isEmpty()) {
		List<UriParameter> keys = info.getKeyPredicates();
		try {
			this.criteria = buildEntityKeyCriteria(this.edmEntityTable, this.edmEntityTableGroup, keys);
		} catch (TeiidException e) {
			this.exceptions.add(e);
		}
	}
}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
private EdmEntitySet getEdmEntitySet(final UriInfoResource uriInfo) throws ODataApplicationException {
  final List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  /*
   * To get the entity set we have to interpret all URI segments
   */
  if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
    throw new ODataApplicationException("Invalid resource type for first segment.",
        HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
  }

  /*
   * Here we should interpret the whole URI but in this example we do not support navigation so we throw an exception
   */

  final UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);
  return uriResource.getEntitySet();
}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的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.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
@Override
public void readEntity(
    ODataRequest request,
    ODataResponse response,
    UriInfo uriInfo,
    ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {

  // First path segment is Entity Set.
  List<UriResource> resourceParts = uriInfo.getUriResourceParts();
  UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourceParts.get(0);
  EdmEntitySet entitySet = uriResourceEntitySet.getEntitySet();
  List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();

  // Retrieve entity from backend.
  Entity entity = entityRepository.read(entitySet, keyPredicates);

  // Serialize to response format.
  ContextURL contextUrl = ContextURL.with()
      .entitySet(entitySet)
      .suffix(ContextURL.Suffix.ENTITY)
      .build();
  EntitySerializerOptions options = EntitySerializerOptions.with()
      .contextURL(contextUrl)
      .build();
  ODataSerializer serializer = odata.createSerializer(responseFormat);
  SerializerResult serializerResult = serializer.entity(
      serviceMetadata, entitySet.getEntityType(), entity, options);

  // Set response attributes.
  response.setContent(serializerResult.getContent());
  response.setStatusCode(HttpStatusCode.OK.getStatusCode());
  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
@Override
public void readEntityCollection(
    ODataRequest request,
    ODataResponse response,
    UriInfo uriInfo,
    ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {

  // First path segment is Entity Set.
  List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
  UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
  EdmEntitySet entitySet = uriResourceEntitySet.getEntitySet();

  // Retrieve entities from backend.
  EntityCollection entityCollection = entityRepository.list(entitySet, uriInfo);

  // Serialize to response format.
  ContextURL contextUrl = ContextURL.with()
      .entitySet(entitySet)
      .build();
  EntityCollectionSerializerOptions options = EntityCollectionSerializerOptions.with()
      .id(request.getRawBaseUri() + "/" + entitySet.getName())
      .contextURL(contextUrl)
      .build();
  ODataSerializer serializer = odata.createSerializer(responseFormat);
  SerializerResult serializerResult = serializer.entityCollection(
      serviceMetadata, entitySet.getEntityType(), entityCollection, options);

  // Set response attributes.
  response.setContent(serializerResult.getContent());
  response.setStatusCode(HttpStatusCode.OK.getStatusCode());
  response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
@Override
public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
		ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
	// 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 = this.odata.createDeserializer(requestFormat);
	DeserializerResult result = deserializer.entity(requestInputStream, edmEntityType);
	Entity requestEntity = result.getEntity();
	// Note that this updateEntity()-method is invoked for both PUT or PATCH operations
	HttpMethod httpMethod = request.getMethod();

	try {
		SparqlBaseCommand.updateEntity(rdfEdmProvider, uriInfo, requestEntity, httpMethod);
	} catch (EdmException | OData2SparqlException e) {
		throw new ODataApplicationException(e.getMessage(), HttpStatusCode.NO_CONTENT.getStatusCode(),
				Locale.ENGLISH);
	}

	//3. configure the response object
	response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
public static EdmEntitySet getEdmEntitySet(UriInfoResource uriInfo) throws ODataApplicationException {

        List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
         // To get the entity set we have to interpret all URI segments
        if (!(resourcePaths.get(0) instanceof UriResourceEntitySet)) {
            throw new ODataApplicationException("Invalid resource type for first segment.",
                                    HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(),Locale.ENGLISH);
        }

        UriResourceEntitySet uriResource = (UriResourceEntitySet) resourcePaths.get(0);

        return uriResource.getEntitySet();
    }
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
public static void deletePrimitiveValue(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> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	UriResourcePrimitiveProperty uriResourcePrimitiveProperty = (UriResourcePrimitiveProperty) resourcePaths.get(1);
	EdmProperty edmProperty = uriResourcePrimitiveProperty.getProperty();

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

}