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.util;
  
  import java.io.IOException;
  import java.util.function.Supplier;
  import java.util.zip.Checksum;
  
  import org.apache.cassandra.utils.concurrent.Transactional;
  
  public class ChecksumedSequentialWriter extends ChecksumedDataOutputPlus implements Transactional
  {
      private static final SequentialWriterOption DEFAULT_WRITER_OPTIONS = SequentialWriterOption.newBuilder().finishOnClose(true).build();
  
      public ChecksumedSequentialWriter(SequentialWriter delegate, Checksum checksum)
      {
          super(delegate, checksum);
      }
  
      public ChecksumedSequentialWriter(SequentialWriter delegate, Supplier<Checksum> fn)
      {
          super(delegate, fn);
      }
  
      public static ChecksumedSequentialWriter open(File file, boolean append, Supplier<Checksum> fn) throws IOException
      {
          SequentialWriter writer = new SequentialWriter(file, DEFAULT_WRITER_OPTIONS);
          if (append)
              writer.skipBytes(file.length());
          return new ChecksumedSequentialWriter(writer, fn);
      }
  
      @Override
      public SequentialWriter delegate()
      {
          return (SequentialWriter) super.delegate();
      }
  
      public long getFilePointer()
      {
          return delegate().position();
      }
  
      @Override
      public Throwable commit(Throwable accumulate)
      {
          return delegate().commit(accumulate);
      }
  
      @Override
      public Throwable abort(Throwable accumulate)
      {
          return delegate().abort(accumulate);
      }
  
      @Override
      public void prepareToCommit()
      {
          delegate().prepareToCommit();
      }
  
      @Override
      public void close()
      {
          delegate().close();
      }
  }
  