| /* |
| * 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.spark.data; |
| |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.cassandra.spark.reader.SparkSSTableReader; |
| |
| public abstract class SSTablesSupplier |
| { |
| /** |
| * Interface that opens a given SSTable and returns an SparkSSTableReader |
| * |
| * @param <T> SparkSSTableReader |
| */ |
| public interface ReaderOpener<T extends SparkSSTableReader> |
| { |
| T openReader(SSTable ssTable, boolean isRepairPrimary) throws IOException; |
| } |
| |
| /** |
| * Open an SparkSSTableReader for each SSTable |
| * |
| * @param readerOpener open SparkSSTableReader for a given SSTable |
| * @return set of open SparkSSTableReaders to pass into CompactionIterator |
| */ |
| public abstract <T extends SparkSSTableReader> Set<T> openAll(ReaderOpener<T> readerOpener); |
| } |