| /* |
| * 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.cassandra.index.sasi.utils; |
| |
| import java.nio.ByteBuffer; |
| import java.util.*; |
| |
| import org.apache.cassandra.index.sasi.disk.*; |
| import org.apache.cassandra.index.sasi.disk.OnDiskIndex.DataTerm; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| |
| public class CombinedTerm implements CombinedValue<DataTerm> |
| { |
| private final AbstractType<?> comparator; |
| private final DataTerm term; |
| private final List<DataTerm> mergedTerms = new ArrayList<>(); |
| |
| public CombinedTerm(AbstractType<?> comparator, DataTerm term) |
| { |
| this.comparator = comparator; |
| this.term = term; |
| } |
| |
| public ByteBuffer getTerm() |
| { |
| return term.getTerm(); |
| } |
| |
| public boolean isPartial() |
| { |
| return term.isPartial(); |
| } |
| |
| public RangeIterator<Long, Token> getTokenIterator() |
| { |
| RangeIterator.Builder<Long, Token> union = RangeUnionIterator.builder(); |
| union.add(term.getTokens()); |
| mergedTerms.stream().map(OnDiskIndex.DataTerm::getTokens).forEach(union::add); |
| |
| return union.build(); |
| } |
| |
| public TokenTreeBuilder getTokenTreeBuilder() |
| { |
| return new StaticTokenTreeBuilder(this).finish(); |
| } |
| |
| public void merge(CombinedValue<DataTerm> other) |
| { |
| if (!(other instanceof CombinedTerm)) |
| return; |
| |
| CombinedTerm o = (CombinedTerm) other; |
| |
| assert comparator == o.comparator; |
| |
| mergedTerms.add(o.term); |
| } |
| |
| public DataTerm get() |
| { |
| return term; |
| } |
| |
| public int compareTo(CombinedValue<DataTerm> o) |
| { |
| return term.compareTo(comparator, o.get().getTerm()); |
| } |
| } |