content: /*
   * 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 org.apache.cassandra.db.SerializationHeader;
  import org.apache.cassandra.db.commitlog.CommitLogPosition;
  import org.apache.cassandra.db.commitlog.IntervalSet;
  import org.apache.cassandra.db.lifecycle.ILifecycleTransaction;
  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;
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.schema.TableMetadataRef;
  import org.apache.cassandra.utils.TimeUUID;
  
  public class SimpleSSTableMultiWriter implements SSTableMultiWriter
  {
      private final SSTableWriter writer;
      private final ILifecycleTransaction txn;
  
      protected SimpleSSTableMultiWriter(SSTableWriter writer, ILifecycleTransaction txn)
      {
          this.txn = txn;
          this.writer = writer;
      }
  
      public void append(UnfilteredRowIterator partition)
      {
          writer.append(partition);
      }
  
      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 getBytesWritten()
      {
          return writer.getFilePointer();
      }
  
      public long getOnDiskBytesWritten()
      {
          return writer.getEstimatedOnDiskBytesWritten();
      }
  
      public TableId getTableId()
      {
          return writer.metadata().id;
      }
  
      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();
      }
  
      public static SSTableMultiWriter create(Descriptor descriptor,
                                              long keyCount,
                                              long repairedAt,
                                              TimeUUID pendingRepair,
                                              boolean isTransient,
                                              TableMetadataRef metadata,
                                              IntervalSet<CommitLogPosition> commitLogPositions,
                                              int sstableLevel,
                                              SerializationHeader header,
                                              Collection<Index.Group> indexGroups,
                                              ILifecycleTransaction txn,
                                              SSTable.Owner owner)
      {
          MetadataCollector metadataCollector = new MetadataCollector(metadata.get().comparator)
                                                .commitLogIntervals(commitLogPositions != null ? commitLogPositions : IntervalSet.empty())
                                                .sstableLevel(sstableLevel);
          SSTableWriter writer = descriptor.getFormat().getWriterFactory().builder(descriptor)
                                              .setKeyCount(keyCount)
                                              .setRepairedAt(repairedAt)
                                              .setPendingRepair(pendingRepair)
                                              .setTransientSSTable(isTransient)
                                              .setTableMetadataRef(metadata)
                                              .setMetadataCollector(metadataCollector)
                                              .setSerializationHeader(header)
                                              .addDefaultComponents(indexGroups)
                                              .setSecondaryIndexGroups(indexGroups)
                                              .build(txn, owner);
          return new SimpleSSTableMultiWriter(writer, txn);
      }
  }
  