[hibernate-issues] [Hibernate-JIRA] Created: (HSEARCH-225) Avoid using IndexReader.deleteDocument when index is not shared amongst several entity types

[Emmanuel Bernard (JIRA)]

Avoid using IndexReader.deleteDocument when index is not shared amongst several entity types
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                 Key: HSEARCH-225
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-225
             Project: Hibernate Search
          Issue Type: Bug
            Reporter: Emmanuel Bernard
             Fix For: 3.1.0.Beta1


When an index is not shared amongst several entities (ie only a given class is stored in the index, we can use IndexWriter.deleteDocuments() using a term pointing to the id. This cannot work for index shared across several entities, even subclasses.

We need to build a flag in the metadata and compute it when the SearchFactory is built. Then reuse it during the indexing process to enable the optimization


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