[hibernate-issues] [Hibernate-JIRA] Created: (HV-479) Implement an eviction strategy for BeanMetaDataCache

[Gunnar Morling (JIRA)]

Implement an eviction strategy for BeanMetaDataCache
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                 Key: HV-479
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-479
             Project: Hibernate Validator
          Issue Type: Improvement
          Components: engine
            Reporter: Gunnar Morling
             Fix For: 4.x


In {{BeanMetaDataCache}} we have a map from {{Class}} to {{BeanMetaDataImpl}}. Currently there is no eviction strategy for this cache meaning entries will never be removed once they were added to the cache and the {{ValidatorFactoryImpl}} holding the cache exists.

In particular this means that the concerned class objects never can be garbage-collected. This might cause problems in long-running applications (especially as there is typically one long-living {{ValidatorFactory}} instance per application). Maybe {{WeakHashMap}} or similar might be useful here.

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