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#62: Rebuild index if too old or corrupted

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jendib 2016-03-01 01:24:26 +01:00
parent 7f19f8c112
commit a7a6adfa34
1 changed files with 24 additions and 0 deletions
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24
docs-core/src/main/java/com/sismics/docs/core/service/IndexingService.java
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@ -4,11 +4,15 @@ import java.io.IOException;
import java.nio.file.Path; import java.nio.file.Path;
import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeUnit;
import org.apache.lucene.index.CheckIndex;
import org.apache.lucene.index.CheckIndex.Status;
import org.apache.lucene.index.CheckIndex.Status.SegmentInfoStatus;
import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.store.Directory; import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory; import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SimpleFSDirectory; import org.apache.lucene.store.SimpleFSDirectory;
import org.apache.lucene.store.SingleInstanceLockFactory; import org.apache.lucene.store.SingleInstanceLockFactory;
import org.apache.lucene.util.Version;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
@ -64,6 +68,26 @@ public class IndexingService extends AbstractScheduledService {
log.error("Error initializing Lucene index", e); log.error("Error initializing Lucene index", e);
} }
} }
// Check index version and rebuild it if necessary
log.info("Checking index health and version");
try (CheckIndex checkIndex = new CheckIndex(directory)) {
Status status = checkIndex.checkIndex();
if (status.clean) {
for (SegmentInfoStatus segmentInfo : status.segmentInfos) {
if (!segmentInfo.version.onOrAfter(Version.LATEST)) {
RebuildIndexAsyncEvent rebuildIndexAsyncEvent = new RebuildIndexAsyncEvent();
AppContext.getInstance().getAsyncEventBus().post(rebuildIndexAsyncEvent);
break;
}
}
} else {
RebuildIndexAsyncEvent rebuildIndexAsyncEvent = new RebuildIndexAsyncEvent();
AppContext.getInstance().getAsyncEventBus().post(rebuildIndexAsyncEvent);
}
} catch (IOException e) {
log.error("Error checking index", e);
}
} }
@Override @Override