本文整理了Java中com.haulmont.chile.core.model.MetaClass.getDescendants()方法的一些代码示例，展示了MetaClass.getDescendants()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MetaClass.getDescendants()方法的具体详情如下：
包路径：com.haulmont.chile.core.model.MetaClass
类名称：MetaClass
方法名：getDescendants

MetaClass.getDescendants介绍

[英]All descendants of the metaclass, recursively. Order is undefined.
[中]元类的所有后代，递归地。秩序是不确定的。

代码示例

代码示例来源：origin: com.haulmont.cuba/cuba-global

protected void findMissingDescendants(MetaClass ancestor, Collection<MetaClass> missingDescendants) {
  Collection<MetaClass> descendants = ancestor.getDescendants();
  for (Object descendant : descendants) {
    missingDescendants.add((MetaClass) descendant);
    findMissingDescendants((MetaClass) descendant, missingDescendants);
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-core

protected Set<String> getDescendants(Set<String> relatedTypes) {
  if (relatedTypes == null) return null;
  Set<String> newRelatedTypes = new HashSet<>();
  relatedTypes.forEach(type -> {
    newRelatedTypes.add(type);
    MetaClass metaClass = metadata.getClassNN(type);
    if (metaClass.getDescendants() != null) {
      Set<String> descendants = metaClass.getDescendants().stream()
          .filter(it -> it.getJavaClass() != null && !it.getJavaClass().isAnnotationPresent(MappedSuperclass.class))
          .map(MetadataObject::getName).collect(Collectors.toSet());
      newRelatedTypes.addAll(descendants);
    }
  });
  return newRelatedTypes;
}

代码示例来源：origin: com.haulmont.cuba/cuba-global

public static String printClassHierarchy(MetaClass metaClass) {
  StringBuilder builder = new StringBuilder();
  builder.append(metaClass.getName()).append("\n");
  for (MetaClass descendantClass : metaClass.getDescendants()) {
    builder.append(shift(printClassHierarchy(descendantClass)));
  }
  return builder.toString();
}

代码示例来源：origin: com.haulmont.cuba/cuba-global

/**
 * @return true if the first MetaClass is equal or an ancestor of the second.
 */
public boolean isAssignableFrom(MetaClass metaClass, MetaClass other) {
  checkNotNullArgument(metaClass);
  checkNotNullArgument(other);
  return metaClass.equals(other) || metaClass.getDescendants().contains(other);
}

代码示例来源：origin: com.haulmont.fts/fts-core

@Override
public List<String> collectEntityHierarchyNames(String entityName) {
  MetaClass metaClass = metadata.getClassNN(entityName);
  List<String> result = new ArrayList<>();
  result.add(entityName);
  result.addAll(metaClass.getDescendants().stream().map(MetadataObject::getName).collect(Collectors.toList()));
  MetaClass originalMetaClass = metadata.getExtendedEntities().getOriginalMetaClass(metaClass);
  if (originalMetaClass != null) {
    result.add(originalMetaClass.getName());
  }
  return result;
}

代码示例来源：origin: com.haulmont.cuba/cuba-global

protected void initMetaAnnotations(MetaClass metaClass) {
    for (Annotation annotation : metaClass.getJavaClass().getAnnotations()) {
      MetaAnnotation metaAnnotation = AnnotationUtils.findAnnotation(annotation.getClass(), MetaAnnotation.class);
      if (metaAnnotation != null) {
        String name = annotation.annotationType().getName();

        Map<String, Object> attributes = new LinkedHashMap<>(AnnotationUtils.getAnnotationAttributes(metaClass.getJavaClass(), annotation));
        metaClass.getAnnotations().put(name, attributes);

        Object propagateToSubclasses = attributes.get("propagateToSubclasses");
        if (propagateToSubclasses == null || Boolean.TRUE.equals(propagateToSubclasses)) {
          for (MetaClass descMetaClass : metaClass.getDescendants()) {
            Annotation descAnnotation = descMetaClass.getJavaClass().getAnnotation(annotation.annotationType());
            if (descAnnotation == null) {
              descMetaClass.getAnnotations().put(name, attributes);
            }
          }
        }
      }
    }
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-gui

@Override
public void setItem(T item) {
  backgroundWorker.checkUIAccess();
  if (State.VALID.equals(state)) {
    T prevItem = this.item;
    if (prevItem != item) {
      if (item != null) {
        final MetaClass aClass = item.getMetaClass();
        if (!aClass.equals(this.metaClass) && !this.metaClass.getDescendants().contains(aClass)) {
          throw new DevelopmentException(String.format("Invalid item metaClass '%s'",  aClass));
        }
      }
      this.item = item;
      fireItemChanged(prevItem);
    }
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-gui

@Override
public void setItem(@Nullable E item) {
  E prevItem = this.item;
  if (this.item != null) {
    detachListener(this.item);
  }
  if (item != null) {
    final MetaClass aClass = item.getMetaClass();
    if (!aClass.equals(entityMetaClass) && !entityMetaClass.getDescendants().contains(aClass)) {
      throw new DevelopmentException(String.format("Invalid item's metaClass '%s'", aClass),
          ParamsMap.of("container", toString(), "metaClass", aClass));
    }
    attachListener(item);
  }
  this.item = item;
  fireItemChanged(prevItem);
}

代码示例来源：origin: com.haulmont.cuba/cuba-global

protected void postProcessClass(MetaClass metaClass) {
  for (MetaProperty property : metaClass.getOwnProperties()) {
    postProcessProperty(metaClass, property);
  }
  Collection<MetaClass> missingDescendants = new HashSet<>(1);
  findMissingDescendants(metaClass, missingDescendants);
  if (!missingDescendants.isEmpty()) {
    CollectionUtils.addAll(metaClass.getDescendants(), missingDescendants.iterator());
    MetaClass ancestorMetaClass = metaClass.getAncestor();
    while (ancestorMetaClass != null) {
      CollectionUtils.addAll(ancestorMetaClass.getDescendants(), missingDescendants.iterator());
      ancestorMetaClass = ancestorMetaClass.getAncestor();
    }
  }
  MetaClass ancestorMetaClass = metaClass.getAncestor();
  while (ancestorMetaClass != null) {
    ((MetaClassImpl) metaClass).addAncestor(ancestorMetaClass);
    ancestorMetaClass = ancestorMetaClass.getAncestor();
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-gui

protected void __setItem(T item) {
  if (this.item != null) {
    detachListener(this.item);
  }
  if (item != null) {
    final MetaClass aClass = item.getMetaClass();
    if (!aClass.equals(metaClass) && !metaClass.getDescendants().contains(aClass)) {
      throw new DevelopmentException(String.format("Invalid item metaClass '%s'", aClass),
          ParamsMap.of("datasource", getId(), "metaClass", aClass));
    }
    attachListener(item);
  }
  this.item = item;
  this.modified = false;
  clearCommitLists();
  if (item != null && PersistenceHelper.isNew(item)) {
    itemsToCreate.add(item);
    this.modified = true;
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-gui

@Override
public void setItem(T item) {
  backgroundWorker.checkUIAccess();
  if (getState() == State.VALID) {
    Object prevItem = this.item;
    if (prevItem != item) {
      if (item != null) {
        final MetaClass aClass = item.getMetaClass();
        MetaClass metaClass = getMetaClass();
        if (!aClass.equals(metaClass) && !metaClass.getDescendants().contains(aClass)) {
          throw new DevelopmentException(String.format("Invalid item metaClass '%s'",  aClass),
              ParamsMap.of("datasource", getId(), "metaClass", aClass));
        }
      }
      this.item = item;
      //noinspection unchecked
      fireItemChanged((T) prevItem);
    }
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-core

protected void processOnDeleteInverse(List<MetaProperty> properties) {
  for (MetaProperty property : properties) {
    MetaClass metaClass = property.getDomain();
    List<MetaClass> persistentEntities = new ArrayList<>();
    if (isPersistent(metaClass))
      persistentEntities.add(metaClass);
    for (MetaClass descendant : metaClass.getDescendants()) {
      if (isPersistent(descendant))
        persistentEntities.add(descendant);
    }
    for (MetaClass persistentEntity : persistentEntities) {
      OnDeleteInverse annotation = property.getAnnotatedElement().getAnnotation(OnDeleteInverse.class);
      DeletePolicy deletePolicy = annotation.value();
      switch (deletePolicy) {
        case DENY:
          if (referenceExists(persistentEntity.getName(), property))
            throw new DeletePolicyException(this.metaClass.getName(), persistentEntity.getName());
          break;
        case CASCADE:
          cascade(persistentEntity.getName(), property);
          break;
        case UNLINK:
          unlink(persistentEntity.getName(), property);
          break;
      }
    }
  }
}

代码示例来源：origin: com.haulmont.cuba/cuba-core

metClassesToRestore.addAll(detailMetaClass.getDescendants());
for (MetaClass metaClassToRestore : metClassesToRestore) {
  if (!metadata.getTools().isPersistent(metaClassToRestore))