Rupert Westenthaler created STANBOL-794:
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Summary: Add support for filtering/including Entities with no
value for the configured Field to the FieldValueFilter (EntityProcessor)
Key: STANBOL-794
URL: https://issues.apache.org/jira/browse/STANBOL-794
Project: Stanbol
Issue Type: Improvement
Components: Entity Hub
Reporter: Rupert Westenthaler
Priority: Minor
Add the possibility to explicitly filter/include Entities that do not have any
value for the configured field to the
org.apache.stanbol.entityhub.indexing.core.processor.FieldValueFilter
Changes:
1. if the values parameter is not present do not longer throw an Exception, but
use this to filter all Entities with no value
2. use "values=" and "values=null" to filter all entities that do have values
for the configured field
All other combinations are already supported by the current implementation
NOTE: that this change will not change the behavior of any currently valid
configuration as the newly added functionality would trigger
IllegalArgumentExceptions with the old implementation.
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