| /* |
| * 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; |
| |
| public 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. |
| } |
| } |