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;
  
  public abstract class AbstractReaderFileProxy implements ReaderFileProxy
  {
      protected final ChannelProxy channel;
      protected final long fileLength;
  
      protected AbstractReaderFileProxy(ChannelProxy channel, long fileLength)
      {
          this.channel = channel;
          this.fileLength = fileLength >= 0 ? fileLength : channel.size();
      }
  
      @Override
      public ChannelProxy channel()
      {
          return channel;
      }
  
      @Override
      public long fileLength()
      {
          return fileLength;
      }
  
      @Override
      public String toString()
      {
          return getClass().getSimpleName() + "(filePath='" + channel + "')";
      }
  
      @Override
      public void close()
      {
          // nothing in base class
      }
  
      @Override
      public double getCrcCheckChance()
      {
          return 0; // Only valid for compressed files.
      }
  }
  