| /* |
| * 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.hugegraph.backend.page; |
| |
| import java.util.Set; |
| |
| import org.apache.hugegraph.backend.id.Id; |
| import com.google.common.collect.ImmutableSet; |
| |
| public final class PageIds { |
| |
| public static final PageIds EMPTY = new PageIds(ImmutableSet.of(), |
| PageState.EMPTY); |
| |
| private final Set<Id> ids; |
| private final PageState pageState; |
| |
| public PageIds(Set<Id> ids, PageState pageState) { |
| this.ids = ids; |
| this.pageState = pageState; |
| } |
| |
| public Set<Id> ids() { |
| return this.ids; |
| } |
| |
| public String page() { |
| if (this.pageState == null) { |
| return null; |
| } |
| return this.pageState.toString(); |
| } |
| |
| public PageState pageState() { |
| return this.pageState; |
| } |
| |
| public boolean empty() { |
| return this.ids.isEmpty(); |
| } |
| } |