org.elasticsearch.index.fielddata.SingletonSortedBinaryDocValues Maven / Gradle / Ivy
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.fielddata;
import org.apache.lucene.index.BinaryDocValues;
import org.apache.lucene.util.Bits;
import org.apache.lucene.util.Bits.MatchAllBits;
import org.apache.lucene.util.BytesRef;
final class SingletonSortedBinaryDocValues extends SortedBinaryDocValues {
private final BinaryDocValues in;
private final Bits docsWithField;
private BytesRef value;
private int count;
SingletonSortedBinaryDocValues(BinaryDocValues in, Bits docsWithField) {
this.in = in;
this.docsWithField = docsWithField instanceof MatchAllBits ? null : docsWithField;
}
@Override
public void setDocument(int docID) {
value = in.get(docID);
if (value.length == 0 && docsWithField != null && !docsWithField.get(docID)) {
count = 0;
} else {
count = 1;
}
}
@Override
public int count() {
return count;
}
@Override
public BytesRef valueAt(int index) {
assert index == 0;
return value;
}
public BinaryDocValues getBinaryDocValues() {
return in;
}
public Bits getDocsWithField() {
return docsWithField;
}
}