| /* |
| * 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.util.collection; |
| |
| import java.util.AbstractSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.apache.hugegraph.backend.id.Id; |
| import org.apache.hugegraph.backend.id.IdGenerator; |
| import org.apache.hugegraph.iterator.ExtendableIterator; |
| import org.apache.hugegraph.type.define.CollectionType; |
| import org.eclipse.collections.api.iterator.MutableLongIterator; |
| import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet; |
| |
| public class IdSet extends AbstractSet<Id> { |
| |
| private final LongHashSet numberIds; |
| private final Set<Id> nonNumberIds; |
| |
| public IdSet(CollectionType type) { |
| this.numberIds = new LongHashSet(); |
| this.nonNumberIds = CollectionFactory.newSet(type); |
| } |
| |
| @Override |
| public int size() { |
| return this.numberIds.size() + this.nonNumberIds.size(); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return this.numberIds.isEmpty() && this.nonNumberIds.isEmpty(); |
| } |
| |
| @Override |
| public boolean contains(Object object) { |
| if (!(object instanceof Id)) { |
| return false; |
| } |
| Id id = (Id) object; |
| if (id.type() == Id.IdType.LONG) { |
| return this.numberIds.contains(id.asLong()); |
| } else { |
| return this.nonNumberIds.contains(id); |
| } |
| } |
| |
| @Override |
| public Iterator<Id> iterator() { |
| return new ExtendableIterator<>( |
| this.nonNumberIds.iterator(), |
| new EcLongIdIterator(this.numberIds.longIterator())); |
| } |
| |
| @Override |
| public boolean add(Id id) { |
| if (id.type() == Id.IdType.LONG) { |
| return this.numberIds.add(id.asLong()); |
| } else { |
| return this.nonNumberIds.add(id); |
| } |
| } |
| |
| public boolean remove(Id id) { |
| if (id.type() == Id.IdType.LONG) { |
| return this.numberIds.remove(id.asLong()); |
| } else { |
| return this.nonNumberIds.remove(id); |
| } |
| } |
| |
| @Override |
| public void clear() { |
| this.numberIds.clear(); |
| this.nonNumberIds.clear(); |
| } |
| |
| private static class EcLongIdIterator implements Iterator<Id> { |
| |
| private final MutableLongIterator iterator; |
| |
| public EcLongIdIterator(MutableLongIterator iter) { |
| this.iterator = iter; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return this.iterator.hasNext(); |
| } |
| |
| @Override |
| public Id next() { |
| return IdGenerator.of(this.iterator.next()); |
| } |
| |
| @Override |
| public void remove() { |
| this.iterator.remove(); |
| } |
| } |
| } |