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Remember to think about filter caching when upgrading to Lucene 4.5.

This commit is contained in:
Adrien Grand 2013-09-06 18:22:52 +02:00
parent 8203d4dbcf
commit c9a7bb26ba
1 changed files with 8 additions and 0 deletions
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8
src/main/java/org/elasticsearch/common/lucene/docset/DocIdSets.java
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@ -25,7 +25,9 @@ import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.util.Bits; import org.apache.lucene.util.Bits;
import org.apache.lucene.util.FixedBitSet; import org.apache.lucene.util.FixedBitSet;
import org.apache.lucene.util.OpenBitSetIterator; import org.apache.lucene.util.OpenBitSetIterator;
import org.apache.lucene.util.Version;
import org.elasticsearch.common.Nullable; import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.lucene.Lucene;
import java.io.IOException; import java.io.IOException;
@ -33,6 +35,12 @@ import java.io.IOException;
*/ */
public class DocIdSets { public class DocIdSets {
static {
// TODO when upgrading to Lucene 4.5. Lucene's CachingWrapperFilter now doesn't use FixedBitSet all the time in favor of
// more memory-efficient implementations. Maybe we should do the same in toCacheable?
assert Version.LUCENE_44.onOrAfter(Lucene.VERSION);
}
public static long sizeInBytes(DocIdSet docIdSet) { public static long sizeInBytes(DocIdSet docIdSet) {
if (docIdSet instanceof FixedBitSet) { if (docIdSet instanceof FixedBitSet) {
return ((FixedBitSet) docIdSet).getBits().length * 8 + 16; return ((FixedBitSet) docIdSet).getBits().length * 8 + 16;