Richard Eckart de Castilho created UIMA-2977:
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Summary: destroy method of shared resources never called
Key: UIMA-2977
URL: https://issues.apache.org/jira/browse/UIMA-2977
Project: UIMA
Issue Type: Bug
Components: Core Java Framework
Reporter: Richard Eckart de Castilho
Apparently the ResourceManager and the resources created by the manager do not
participate in the usual component life cycle. On other components, such as
analysis engines or readers, the destroy() method is called when the component
is disposed of. External resources never get notified when they are no longer
needed. At least any resources derived from Resource (e.g. DataResource and
ParametrizedDataResource) should be notified. The SharedResourceObject
interface does not define any such life cycle callback.
As a side-note: An alternative to the rather heavy-weight Resource interface of
UIMA maybe be small life cycle interfaces such as the Spring InitializingBean
and DisposableBean interfaces, or Java annotations marking initialization and
destruction methods (e.g. @PostConstruct and @PreDestroy).
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