| /* |
| * 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.search.matchhighlight; |
| |
| import java.util.Objects; |
| |
| /** |
| * A non-empty range of offset positions. |
| */ |
| public class OffsetRange { |
| /** Start index, inclusive. */ |
| public final int from; |
| |
| /** End index, exclusive. */ |
| public final int to; |
| |
| /** |
| * @param from Start index, inclusive. |
| * @param to End index, exclusive. |
| */ |
| public OffsetRange(int from, int to) { |
| assert from <= to : "A non-empty offset range is required: " + from + "-" + to; |
| this.from = from; |
| this.to = to; |
| } |
| |
| public int length() { |
| return to - from; |
| } |
| |
| @Override |
| public String toString() { |
| return "[from=" + from + ", to=" + to + "]"; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == this) return true; |
| if (other instanceof OffsetRange) { |
| OffsetRange that = (OffsetRange) other; |
| return from == that.from && to == that.to; |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(from, to); |
| } |
| } |