5.2.6.3.1. MetadataTools
MetadataTools
is a managed bean, containing additional methods for working with metadata. You can access MetadataTools
interface by either using Metadata.getTools()
method, or as any other bean – by means of injection or through AppBeans
class.
`MetadataTools `methods:
-
getAllPersistentMetaClasses()
– returns the collection of persistent entities meta-classes. -
getAllEmbeddableMetaClasses()
– returns the collection of embeddable entities meta-classes. -
getAllEnums()
– returns the collection of enumeration classes used as entity attributes types. -
format()
– formats the passed value according to data type of the given meta-property. -
isSystem()
– checks if a meta-property is system, i.e. specified in one of the basic entity interfaces. -
isPersistent()
– checks if a meta-property is persistent, i.e. stored in the database. -
isTransient()
– checks if a meta-property or an arbitrary attribute is non-persistent. -
isEmbedded()
– checks if a meta-property is an embedded object. -
isAnnotationPresent()
– checks if an annotation is present on the class or on one of its ancestors. -
getNamePatternProperties()
– returns collection of meta-properties of attributes included in the instance name, returned byInstance.getInstanceName()
method. See @NamePattern.
You can override MetadataTools
bean in your application to extend the set of its methods. The examples of working with the extended interface:
MyMetadataTools tools = metadata.getTools();
tools.foo();
((MyMetadataTools) metadata.getTools()).foo();