OPENDJ-2973 Changing index entry limit should un-trust the index when the n...

Fabio Pistolesi

28.52.2016 09bc45b1b94dad21572ba75b07ffe05baba103df

 opendj-server-legacy/src/main/java/org/opends/server/backends/pluggable/AttributeIndex.java

@@ -939,10 +939,17 @@
        entryContainer.unlock();
      }

      for (Index updatedIndex : updatedIndexes.values())
      entryContainer.getRootContainer().getStorage().write(new WriteOperation()
      {
        updateIndex(updatedIndex, newConfiguration, ccr);
      }
        @Override
        public void run(WriteableTransaction txn) throws Exception
        {
          for (final Index updatedIndex : updatedIndexes.values())
          {
            updateIndex(updatedIndex, newConfiguration, ccr, txn);
          }
        }
      });
    }
    catch (Exception e)
    {
@@ -963,19 +970,27 @@
    }
  }

  private static void updateIndex(Index updatedIndex, BackendIndexCfg newConfig, ConfigChangeResult ccr)
  private static void updateIndex(Index updatedIndex, BackendIndexCfg newConfig, ConfigChangeResult ccr,
      WriteableTransaction txn)
  {
    // This index could still be used since a new smaller index size limit doesn't impact validity of the results.
    if (updatedIndex.setIndexEntryLimit(newConfig.getIndexEntryLimit()))
    boolean newLimitRequiresRebuild = updatedIndex.setIndexEntryLimit(newConfig.getIndexEntryLimit());
    if (newLimitRequiresRebuild)
    {
      ccr.setAdminActionRequired(true);
      ccr.addMessage(NOTE_CONFIG_INDEX_ENTRY_LIMIT_REQUIRES_REBUILD.get(updatedIndex.getName()));
    }
    if (updatedIndex.setProtected(newConfig.isConfidentialityEnabled()))
    // This index could still be used when disabling confidentiality.
    boolean newConfidentialityRequiresRebuild = updatedIndex.setConfidential(newConfig.isConfidentialityEnabled());
    if (newConfidentialityRequiresRebuild)
    {
      ccr.setAdminActionRequired(true);
      ccr.addMessage(NOTE_CONFIG_INDEX_CONFIDENTIALITY_REQUIRES_REBUILD.get(updatedIndex.getName()));
    }
    if (newLimitRequiresRebuild || newConfidentialityRequiresRebuild)
    {
      updatedIndex.setTrusted(txn, false);
    }
  }

  private static void deleteIndex(WriteableTransaction txn, EntryContainer entryContainer, Index index)