org.infinispan.query.impl.externalizers.LuceneScoreDocExternalizer Maven / Gradle / Ivy
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Infinispan Embedded Query All-in-One module
package org.infinispan.query.impl.externalizers;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Set;
import org.apache.lucene.search.ScoreDoc;
import org.infinispan.commons.io.UnsignedNumeric;
import org.infinispan.commons.marshall.AbstractExternalizer;
import org.infinispan.commons.util.Util;
public class LuceneScoreDocExternalizer extends AbstractExternalizer {
@Override
public Set> getTypeClasses() {
return Util.>asSet(ScoreDoc.class);
}
@Override
public ScoreDoc readObject(final ObjectInput input) throws IOException, ClassNotFoundException {
return readObjectStatic(input);
}
@Override
public void writeObject(final ObjectOutput output, final ScoreDoc sortField) throws IOException {
writeObjectStatic(output, sortField);
}
@Override
public Integer getId() {
return ExternalizerIds.LUCENE_SCORE_DOC;
}
private static void writeObjectStatic(final ObjectOutput output, final ScoreDoc sortField) throws IOException {
output.writeFloat(sortField.score);
UnsignedNumeric.writeUnsignedInt(output, sortField.doc);
output.writeInt(sortField.shardIndex);
}
private static ScoreDoc readObjectStatic(final ObjectInput input) throws IOException, ClassNotFoundException {
final float score = input.readFloat();
final int doc = UnsignedNumeric.readUnsignedInt(input);
final int shardId = input.readInt();
return new ScoreDoc(doc, score, shardId);
}
}