package org.apache.lucene.codecs.memory;
import java.io.IOException;
import org.apache.lucene.index.NumericDocValues;
import org.apache.lucene.util.Bits;
@Deprecated
final class LegacyNumericDocValuesWrapper extends NumericDocValues {
private final Bits docsWithField;
private final LegacyNumericDocValues values;
private final int maxDoc;
private int docID = -1;
private long value;
public LegacyNumericDocValuesWrapper(Bits docsWithField, LegacyNumericDocValues values) {
this.docsWithField = docsWithField;
this.values = values;
this.maxDoc = docsWithField.length();
}
@Override
public int docID() {
return docID;
}
@Override
public int nextDoc() {
docID++;
while (docID < maxDoc) {
value = values.get(docID);
if (value != 0 || docsWithField.get(docID)) {
return docID;
}
docID++;
}
docID = NO_MORE_DOCS;
return NO_MORE_DOCS;
}
@Override
public int advance(int target) {
assert target >= docID: "target=" + target + " docID=" + docID;
if (target == NO_MORE_DOCS) {
this.docID = NO_MORE_DOCS;
} else {
this.docID = target-1;
nextDoc();
}
return docID;
}
@Override
public boolean advanceExact(int target) throws IOException {
docID = target;
value = values.get(docID);
return value != 0 || docsWithField.get(docID);
}
@Override
public long cost() {
return 0;
}
@Override
public long longValue() {
return value;
}
@Override
public String toString() {
return "LegacyNumericDocValuesWrapper(" + values + ")";
}
}