| /* |
| * 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.io.sstable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.UUID; |
| |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.db.RowIndexEntry; |
| import org.apache.cassandra.db.SerializationHeader; |
| import org.apache.cassandra.db.lifecycle.LifecycleTransaction; |
| import org.apache.cassandra.db.rows.UnfilteredRowIterator; |
| import org.apache.cassandra.index.Index; |
| import org.apache.cassandra.io.sstable.format.SSTableReader; |
| import org.apache.cassandra.io.sstable.format.SSTableWriter; |
| import org.apache.cassandra.io.sstable.metadata.MetadataCollector; |
| |
| public class SimpleSSTableMultiWriter implements SSTableMultiWriter |
| { |
| private final SSTableWriter writer; |
| private final LifecycleTransaction txn; |
| |
| protected SimpleSSTableMultiWriter(SSTableWriter writer, LifecycleTransaction txn) |
| { |
| this.txn = txn; |
| this.writer = writer; |
| } |
| |
| public boolean append(UnfilteredRowIterator partition) |
| { |
| RowIndexEntry<?> indexEntry = writer.append(partition); |
| return indexEntry != null; |
| } |
| |
| public Collection<SSTableReader> finish(long repairedAt, long maxDataAge, boolean openResult) |
| { |
| return Collections.singleton(writer.finish(repairedAt, maxDataAge, openResult)); |
| } |
| |
| public Collection<SSTableReader> finish(boolean openResult) |
| { |
| return Collections.singleton(writer.finish(openResult)); |
| } |
| |
| public Collection<SSTableReader> finished() |
| { |
| return Collections.singleton(writer.finished()); |
| } |
| |
| public SSTableMultiWriter setOpenResult(boolean openResult) |
| { |
| writer.setOpenResult(openResult); |
| return this; |
| } |
| |
| public String getFilename() |
| { |
| return writer.getFilename(); |
| } |
| |
| public long getFilePointer() |
| { |
| return writer.getFilePointer(); |
| } |
| |
| public UUID getCfId() |
| { |
| return writer.metadata.cfId; |
| } |
| |
| public Throwable commit(Throwable accumulate) |
| { |
| return writer.commit(accumulate); |
| } |
| |
| public Throwable abort(Throwable accumulate) |
| { |
| txn.untrackNew(writer); |
| return writer.abort(accumulate); |
| } |
| |
| public void prepareToCommit() |
| { |
| writer.prepareToCommit(); |
| } |
| |
| public void close() |
| { |
| writer.close(); |
| } |
| |
| @SuppressWarnings("resource") // SimpleSSTableMultiWriter closes writer |
| public static SSTableMultiWriter create(Descriptor descriptor, |
| long keyCount, |
| long repairedAt, |
| CFMetaData cfm, |
| MetadataCollector metadataCollector, |
| SerializationHeader header, |
| Collection<Index> indexes, |
| LifecycleTransaction txn) |
| { |
| SSTableWriter writer = SSTableWriter.create(descriptor, keyCount, repairedAt, cfm, metadataCollector, header, indexes, txn); |
| return new SimpleSSTableMultiWriter(writer, txn); |
| } |
| } |