Package org.apache.olingo.odata2.jpa.processor.api

Class ODataJPATombstoneEntityListener

java.lang.Object
org.apache.olingo.odata2.jpa.processor.api.ODataJPATombstoneEntityListener
Direct Known Subclasses:
ODataJPAQueryExtensionEntityListener
public abstract class ODataJPATombstoneEntityListener extends Object
Extend this class and implement a JPA Entity Listener as specified in JSR 317 Java Persistence 2.0. The class provides abstract methods that shall be implemented by JPA application to handle OData Tombstone features. The implemented JPA Entity Listener classes will be called back from OData JPA Processor Library.

  • Constructor Details

    • ODataJPATombstoneEntityListener

      public ODataJPATombstoneEntityListener()

  • Method Details

    • addToDelta

      protected final void addToDelta(Object entity, String entityName)

    • getQuery

      public abstract jakarta.persistence.Query getQuery(GetEntitySetUriInfo resultsView, jakarta.persistence.EntityManager em) throws ODataJPARuntimeException
      Implement this method to create a
      invalid reference 
      javax.persistence.Query
      object. The Query object can be created from OData requests. The query instance thus created can be used for handling delta JPA entities. The delta token passed from OData request can be accessed from com.sap.core.odata.processor.api.jpa.ODataJPATombstoneContext.
      Parameters:
      resultsView - is a reference to OData request
      em - is a reference to
      invalid reference 
      javax.persistence.EntityManager
      Returns:
      an instance of type
      invalid reference 
      javax.persistence.Query
      Throws:
      ODataJPARuntimeException - Caso ocorra exceção

    • generateDeltaToken

      public abstract String generateDeltaToken(List<Object> deltas, jakarta.persistence.Query query)
      Implement this method to create a delta token.
      Parameters:
      deltas - is list of delta JPA Entities
      query - is an instance of type
      invalid reference 
      javax.persistence.Query
      that was used for handling delta entites
      Returns:
      a delta token of type String

    • isTombstoneSupported

      public boolean isTombstoneSupported()
      Implement this method to indicate whether the extended class can handle OData Tombstone feature as well
      Returns:
      true by default