/*
* 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.codecs;
import org.apache.lucene.index.PointValues;
import org.apache.lucene.util.BytesRef;
/** {@link PointValues} whose order of points can be changed.
* This class is useful for codecs to optimize flush.
* @lucene.internal */
public abstract class MutablePointValues extends PointValues {
/** Sole constructor. */
protected MutablePointValues() {}
/** Set {@code packedValue} with a reference to the packed bytes of the i-th value. */
public abstract void getValue(int i, BytesRef packedValue);
/** Get the k-th byte of the i-th value. */
public abstract byte getByteAt(int i, int k);
/** Return the doc ID of the i-th value. */
public abstract int getDocID(int i);
/** Swap the i-th and j-th values. */
public abstract void swap(int i, int j);
}