/* * 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.util; /** Abstraction over an array of longs. * @lucene.internal */ public abstract class LongValues { /** An instance that returns the provided value. */ public static final LongValues IDENTITY = new LongValues() { @Override public long get(long index) { return index; } }; public static final LongValues ZEROES = new LongValues() { @Override public long get(long index) { return 0; } }; /** Get value at <code>index</code>. */ public abstract long get(long index); }