| /* |
| * 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.automaton; |
| |
| abstract class IntSet { |
| /** |
| * Return an array representation of this int set's values. Values are valid for indices [0, |
| * {@link #size()}). If this is a mutable int set, then changes to the set are not guaranteed to |
| * be visible in this array. |
| * |
| * @return an array containing the values for this set, guaranteed to be at least {@link #size()} |
| * elements |
| */ |
| abstract int[] getArray(); |
| |
| /** |
| * Guaranteed to be less than or equal to the length of the array returned by {@link #getArray()}. |
| * |
| * @return The number of values in this set. |
| */ |
| abstract int size(); |
| |
| abstract long longHashCode(); |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(longHashCode()); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (!(o instanceof IntSet)) return false; |
| IntSet that = (IntSet) o; |
| return longHashCode() == that.longHashCode() |
| && org.apache.lucene.util.FutureArrays.equals(getArray(), 0, size(), that.getArray(), 0, that.size()); |
| } |
| } |