本文整理了Java中com.haulmont.cuba.core.entity.Entity类的一些代码示例，展示了Entity类的具体用法。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。Entity类的具体详情如下：
包路径：com.haulmont.cuba.core.entity.Entity
类名称：Entity

Entity介绍

[英]Interface to be implemented by domain model objects with identifiers.
[中]由具有标识符的域模型对象实现的接口。

代码示例

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

/**
 * @param id id of an entity to be loaded
 * @return this instance for chaining
 */
public LoadContext<E> setId(Object id) {
  this.id = id instanceof Entity ? ((Entity) id).getId() : id; // for compatibility with legacy code relying on implicit conversions
  return this;
}

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

@Override
protected Collection<EntitySnapshot> getEntities(Map<String, Object> params) {
  if (entity != null) {
    EntitySnapshotService snapshotService = AppBeans.get(EntitySnapshotService.NAME);
    snapshots = snapshotService.getSnapshots(entity.getMetaClass(), entity.getId());
    return snapshots;
  }
  return Collections.emptyList();
}

代码示例来源：origin: de.diedavids.cuba.entitysoftreference/entity-soft-reference-global

@Nonnull
@Override
public String format(@Nullable Object value) {
  return ((Entity) value).getInstanceName();
}

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

protected void removeListeners(Entity entity) {
  entity.removePropertyChangeListener(propertyChangeListener);
  Map<String, EmbeddedPropertyChangeListener> listenerMap = embeddedPropertyListeners.get(entity);
  if (listenerMap != null) {
    for (Map.Entry<String, EmbeddedPropertyChangeListener> entry : listenerMap.entrySet()) {
      Entity embedded = entity.getValue(entry.getKey());
      if (embedded != null) {
        embedded.removePropertyChangeListener(entry.getValue());
        embedded.removePropertyChangeListener(propertyChangeListener);
      }
    }
    embeddedPropertyListeners.remove(entity);
  }
}

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

public static void setSecurityState(Entity entity, SecurityState securityState) {
  Preconditions.checkNotNullArgument(entity, "Entity is null");
  if (entity instanceof BaseGenericIdEntity) {
    BaseGenericIdEntity baseGenericIdEntity = (BaseGenericIdEntity) entity;
    baseGenericIdEntity.__securityState = securityState;
  } else if (entity instanceof EmbeddableEntity) {
    EmbeddableEntity embeddableEntity = (EmbeddableEntity) entity;
    embeddableEntity.__securityState = securityState;
  } else {
    throw new IllegalArgumentException(String.format("Entity with type [%s] does not support security state", entity.getMetaClass().getName()));
  }
}

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

protected Entity getReference(Entity entity, MetaProperty property) {
  if (PersistenceHelper.isLoaded(entity, property.getName()))
    return entity.getValue(property.getName());
  else {
    Query query = entityManager.createQuery(
        "select e." + property.getName() + " from " + entity.getMetaClass().getName() + " e where e." + primaryKeyName + " = ?1");
    query.setParameter(1, entity.getId());
    Object refEntity = query.getFirstResult();
    return (Entity) refEntity;
  }
}

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

/**
 * Tries to initialize entity fields included in entity name pattern by default values
 *
 * @param entity instance
 */
protected void initNamePatternFields(Entity entity) {
  Collection<MetaProperty> properties = metadata.getTools().getNamePatternProperties(entity.getMetaClass());
  for (MetaProperty property : properties) {
    if (entity.getValue(property.getName()) == null
        && property.getType() == MetaProperty.Type.DATATYPE) {
      try {
        entity.setValue(property.getName(), property.getJavaType().newInstance());
      } catch (InstantiationException | IllegalAccessException e) {
        throw new RuntimeException("Unable to set value of name pattern field", e);
      }
    }
  }
}

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

protected void setParentField(Entity item, String parentProperty, Entity parent) {
  if (parentProperty != null && parent != null && item != null)
    item.setValue(parentProperty, parent);
}

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

@Nullable
  @Override
  public E getParent(E item) {
    Preconditions.checkNotNullArgument(item);
    return item.getValue(hierarchyProperty);
  }
}

代码示例来源：origin: de.diedavids.cuba.taggable/taggable-web

@Override
  protected Collection<KeyValueEntity> getEntities(Map<String, Object> params) {
    Tag tag = (Tag) params.get("tag");
    Collection<Entity> entitiesWithTag = taggingService.getEntitiesWithTag(tag);

    Collection<KeyValueEntity> result = new ArrayList<>();

    for (Entity entity : entitiesWithTag) {
      KeyValueEntity keyValueEntity = metadata.create(KeyValueEntity.class);
      keyValueEntity.setMetaClass(entity.getMetaClass());
      keyValueEntity.setValue("instanceName", entity.getInstanceName());
      keyValueEntity.setValue("entity", entity);
      result.add(keyValueEntity);
    }

    return result;
  }
}

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

@Override
public String apply(Object o) {
  if (!(o instanceof Entity)) {
    return "";
  }
  Entity entity = (Entity) o;
  if (captionMode == CaptionMode.PROPERTY
      && captionProperty != null) {
    if (entity.getMetaClass().getPropertyPath(captionProperty) == null) {
      throw new IllegalArgumentException(String.format("Couldn't find property with name '%s'", captionProperty));
    }
    Object propertyValue = entity.getValueEx(captionProperty);
    return propertyValue != null
        ? propertyValue.toString()
        : " ";
  }
  return metadata.getTools().getInstanceName(entity);
}

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

protected void checkRequiredAttributes(Entity entity) {
  SecurityState securityState = getSecurityState(entity);
  if (securityState != null && !securityState.getRequiredAttributes().isEmpty()) {
    for (MetaProperty metaProperty : entity.getMetaClass().getProperties()) {
      String propertyName = metaProperty.getName();
      if (BaseEntityInternalAccess.isRequired(securityState, propertyName) && entity.getValue(propertyName) == null) {
        throw new RowLevelSecurityException(format("Attribute [%s] is required for entity %s", propertyName, entity),
            entity.getMetaClass().getName());
      }
    }
  }
}

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

@Override
  public T apply(E entity) {
    return propertyPath != null
        ? entity.getValueEx(propertyPath)
        : null;
  }
}

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

protected void importReference(Entity srcEntity,
                Entity dstEntity,
                EntityImportViewProperty importViewProperty,
                View regularView,
                CommitContext commitContext,
                Collection<ReferenceInfo> referenceInfoList,
                boolean optimisticLocking) {
  Entity srcPropertyValue = srcEntity.getValue(importViewProperty.getName());
  Entity dstPropertyValue = dstEntity.getValue(importViewProperty.getName());
  if (importViewProperty.getView() == null) {
    ReferenceInfo referenceInfo = new ReferenceInfo(dstEntity, null, importViewProperty, srcPropertyValue, dstPropertyValue);
    referenceInfoList.add(referenceInfo);
  } else {
    dstPropertyValue = importEntity(srcPropertyValue, dstPropertyValue, importViewProperty.getView(), regularView, commitContext, referenceInfoList, optimisticLocking);
    dstEntity.setValue(importViewProperty.getName(), dstPropertyValue);
  }
}

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

protected Object getValueByProperty(T item, MetaPropertyPath property) {
  Preconditions.checkNotNullArgument(item);
  if (property.getMetaProperties().length == 1) {
    return item.getValue(property.getMetaProperty().getName());
  } else {
    return item.getValueEx(property);
  }
}

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

protected void checkCompositePrimaryKey(Entity entity) {
  if (metadata.getTools().hasCompositePrimaryKey(entity.getMetaClass()) && !(entity instanceof HasUuid)) {
    throw new UnsupportedOperationException(format("Entity %s has no persistent UUID attribute", entity));
  }
}

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

protected void setField(Entity bean, String field, Object value)
    throws IllegalAccessException, InvocationTargetException, IntrospectionException {
  bean.setValue(field, value);
}

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

@Override
public boolean hasChildren(E item) {
  return container.getItems().stream().anyMatch(it -> {
    E parentItem = it.getValue(hierarchyProperty);
    return parentItem != null && parentItem.equals(item);
  });
}

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

@Override
public V getValue() {
  E item = datasource.getItem();
  if (item != null) {
    return item.getValueEx(metaPropertyPath);
  }
  return null;
}

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

private void loadOne(EntityCrossDataStoreProperty entityCrossDataStoreProperty) {
  Entity entity = entityCrossDataStoreProperty.entity;
  CrossDataStoreProperty aProp = entityCrossDataStoreProperty.crossProp;
  Object id = entity.getValue(aProp.relatedPropertyName);
  LoadContext<Entity> loadContext = new LoadContext<>(aProp.property.getRange().asClass());
  loadContext.setId(id);
  if (aProp.viewProperty.getView() != null)
    loadContext.setView(aProp.viewProperty.getView());
  loadContext.setJoinTransaction(joinTransaction);
  Entity relatedEntity = dataManager.load(loadContext);
  entity.setValue(aProp.property.getName(), relatedEntity);
}