| /* |
| * 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.sa; |
| |
| import java.nio.Buffer; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.Mode; |
| import org.apache.cassandra.index.sasi.disk.TokenTreeBuilder; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| |
| public abstract class SA<T extends Buffer> |
| { |
| protected final AbstractType<?> comparator; |
| protected final Mode mode; |
| |
| protected final List<Term<T>> terms = new ArrayList<>(); |
| protected int charCount = 0; |
| |
| public SA(AbstractType<?> comparator, Mode mode) |
| { |
| this.comparator = comparator; |
| this.mode = mode; |
| } |
| |
| public Mode getMode() |
| { |
| return mode; |
| } |
| |
| public void add(ByteBuffer termValue, TokenTreeBuilder tokens) |
| { |
| Term<T> term = getTerm(termValue, tokens); |
| terms.add(term); |
| charCount += term.length(); |
| } |
| |
| public abstract TermIterator finish(); |
| |
| protected abstract Term<T> getTerm(ByteBuffer termValue, TokenTreeBuilder tokens); |
| } |