/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.lucene.spatial.prefix;
import org.apache.lucene.spatial.prefix.tree.Cell;
import org.apache.lucene.util.BytesRef;
/** For testing Lucene <= 5.0. Index redundant prefixes for leaf cells. Fixed in LUCENE-4942. */
class CellToBytesRefIterator50 extends CellToBytesRefIterator {
Cell repeatCell;
@Override
public BytesRef next() {
if (repeatCell != null) {
bytesRef = repeatCell.getTokenBytesWithLeaf(bytesRef);
repeatCell = null;
return bytesRef;
}
if (!cellIter.hasNext()) {
return null;
}
Cell cell = cellIter.next();
bytesRef = cell.getTokenBytesNoLeaf(bytesRef);
if (cell.isLeaf()) {
repeatCell = cell;
}
return bytesRef;
}
}