Java UriResourceEntitySet.getKeyPredicates方法代码示例

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
@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 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
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
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 = this.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
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
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);

}
 

import org.apache.olingo.server.api.uri.UriResourceEntitySet; //导入方法依赖的package包/类
public static void writeEntityReference(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo,
		List<URI> requestEntityReferences) 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();
	UriResourceNavigation uriResourceNavigation = (UriResourceNavigation) resourcePaths.get(1);
	RdfAssociation navigationProperty = entityType
			.findNavigationProperty(uriResourceNavigation.getProperty().getName());

	SparqlCreateUpdateDeleteBuilder sparqlCreateUpdateDeleteBuilder = new SparqlCreateUpdateDeleteBuilder(
			rdfEdmProvider);
	try {
		sparqlStatement = sparqlCreateUpdateDeleteBuilder.generateInsertLinkQuery( entityType, keyPredicates,navigationProperty,
				requestEntityReferences);
	} 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
public static void updateEntityReference(RdfEdmProvider rdfEdmProvider, UriInfo uriInfo,
		List<URI> requestEntityReferences) 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();
	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.generateUpdateLinkQuery( entityType, keyPredicates,navigationProperty,navigationKeyPredicates,
				requestEntityReferences);
	} 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
@Override
public void visit(UriResourceEntitySet info) {
    this.entitySet = info.getEntitySet().getName();
    if (info.getKeyPredicates() != null && info.getKeyPredicates().size() > 0) {
        this.navPath = buildEntityKey(info.getKeyPredicates());
        this.singleEntity = true;
    }
}
 

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

	// 1. retrieve the Entity Type
	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. retrieve the data from backend
	List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
	Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);

	// 3. serialize
	EdmEntityType entityType = edmEntitySet.getEntityType();

	ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
 	// expand and select currently not supported
	EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();

	ODataSerializer serializer = this.odata.createSerializer(responseFormat);
	SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
	InputStream entityStream = serializerResult.getContent();

	//4. configure the response object
	response.setContent(entityStream);
	response.setStatusCode(HttpStatusCode.OK.getStatusCode());
	response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}