Package org.europa.together.application

Class GenericHbmDAO<T,PK extends Serializable>

java.lang.Object
org.europa.together.application.GenericHbmDAO<T,PK>
Type Parameters:
T - as template.
PK - as PrimaryKey
All Implemented Interfaces:
Serializable, GenericDAO<T,PK>
Direct Known Subclasses:
ConfigurationHbmDAO
@Repository @Transactional public abstract class GenericHbmDAO<T,PK extends Serializable> extends Object implements GenericDAO<T,PK>
Abstract implementation of Domain Access Object (DAO) Pattern.
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    jakarta.persistence.EntityManager
    mainEntityManagerFactory
    JPA Entity Manager for Transactions.

    Fields inherited from interface org.europa.together.business.GenericDAO

    FEATURE_ID

  • Constructor Summary

    Constructors
    Constructor
    Description
    GenericHbmDAO()
    Constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    countAllElements()
    Count the entries of corresponding table to the domain object is specialized in the DAO.
    boolean
    create(T object)
    Persist a new entity and return TRUE if it was successful.In the case that the entity is already existing or the persist project is not a valid entity the method return FALSE.
    void
    delete(PK id)
    Search for an persistent entity.If it's already existent then it will be delete, otherwise a EntityNotFoundException will thrown.
    List<T>
    deserializeJsonAsList(String json)
    Tries to create from a collection of JSON objects a list of enties.
    T
    deserializeJsonAsObject(String json)
    Tried to create a entity object from a given JSON String.
    T
    deserializeJsonAsObject(String json, Class<T> object)
    Tried to create a entity object from a given JSON String.
    T
    find(PK id)
    Try to find a persited domain object.
    PK
    getPrimaryKeyOfObject(T object)
    Get the primary key of the DAO entity.
    List<T>
    listAllElements(JpaPagination pivotElement)
    Get all persited entries of an entity as list.
    String
    serializeAsJson(T object)
    Check if the entity is not NULL and try to create a JSON object as String, otherwise the String will be empty.
    void
    update(PK id, T object)
    Search an entity in the persistence context and update it.If it's not exist a EntityNotFoundException will thrown.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait