Examples of org.hibernate.metadata.ClassMetadata

org.hibernate.metadata.ClassMetadata
Exposes entity class metadata to the application @see org.hibernate.SessionFactory#getClassMetadata(Class) @author Gavin King

    public void setValueObject(Object valueObject) {
        if (valueObject != null) {


            String classname = getClassname(valueObject.getClass());


            ClassMetadata classMetadata =
                getSessionFactory().getClassMetadata(classname);


            Object identifier =
                classMetadata.getIdentifier(valueObject, EntityMode.POJO);
            oidField.setValueObject(identifier);


            copyFrom(valueObject);
        }
    }

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        try {
            Class valueClass = ClickUtils.classForName(classField.getValue());


            String classname = getClassname(valueClass);


            ClassMetadata metadata = getSessionFactory().getClassMetadata(classname);


            String[] propertyNames = metadata.getPropertyNames();


            boolean[] propertyNullability = metadata.getPropertyNullability();


            for (int i = 0; i < propertyNames.length; i++) {
                Field field = getField(propertyNames[i]);
                if (field != null) {
                    boolean isMandatory = !propertyNullability[i];

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        Session session = source.create();
    assertNotNull(session);
    
    // make sure it found the entity in the package
    ClassMetadata meta = session.getSessionFactory().getClassMetadata(User.class);
    assertEquals(meta.getEntityName(), "org.example.app0.entities.User");
    
        verify();
    }

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   * 取得对象的主键名.
   * 
   * @return String
   */
  public String getIdName() {
    ClassMetadata meta = sessionFactory.getClassMetadata(entityClass);
    return meta.getIdentifierPropertyName();
  }

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   * 获取实体名称
   * 
   * @return String
   */
  public String getEntityName() {
    ClassMetadata meta = sessionFactory.getClassMetadata(entityClass);
    return meta.getEntityName();
  }

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        Session session = source.create();
        Assert.assertNotNull(session);


        // make sure it found the entity in the package
        ClassMetadata meta = session.getSessionFactory().getClassMetadata(User.class);
        Assert.assertEquals(meta.getEntityName(), "org.example.app0.entities.User");


        verify();
    }

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      return PersistenceUtilHelper.isLoaded( entity ) != LoadState.NOT_LOADED;
    }


    public Object getIdentifier(Object entity) {
      final Class entityClass = Hibernate.getClass( entity );
      final ClassMetadata classMetadata = emf.getSessionFactory().getClassMetadata( entityClass );
      if (classMetadata == null) {
        throw new IllegalArgumentException( entityClass + " is not an entity" );
      }
      //TODO does that work for @IdClass?
      return classMetadata.getIdentifier( entity, EntityMode.POJO );
    }

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  /**
   * copy the entity state into the state array and return true if the state has changed
   */
  private boolean copyState(Object entity, Type[] types, Object[] state, SessionFactory sf) {
    ClassMetadata metadata = sf.getClassMetadata( entity.getClass() );
    Object[] newState = metadata.getPropertyValues( entity, EntityMode.POJO );
    int size = newState.length;
    boolean isDirty = false;
    for ( int index = 0; index < size ; index++ ) {
      if ( !types[index].isEqual( state[index], newState[index], EntityMode.POJO ) ) {
        isDirty = true;

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      return PersistenceUtilHelper.isLoaded( entity ) != LoadState.NOT_LOADED;
    }


    public Object getIdentifier(Object entity) {
      final Class entityClass = Hibernate.getClass( entity );
      final ClassMetadata classMetadata = emf.getSessionFactory().getClassMetadata( entityClass );
      if (classMetadata == null) {
        throw new IllegalArgumentException( entityClass + " is not an entity" );
      }
      //TODO does that work for @IdClass?
      return classMetadata.getIdentifier( entity );
    }

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    private String getTablename(HasBlob<?> hasBlob) {
        String tablename = entitiesTablenames.get(hasBlob.getClass());
        if (tablename == null) {
            SessionFactory sf = GrailsIntegration.getCurrentSessionFactory();
            ClassMetadata classMetadata = sf.getClassMetadata(hasBlob.getClass());
            if (classMetadata instanceof SingleTableEntityPersister) {
                SingleTableEntityPersister step = (SingleTableEntityPersister) classMetadata;
                tablename = step.getTableName();
                entitiesTablenames.put(hasBlob.getClass(), tablename);
            }

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