Review

Misses to flush FileChannel, such that the contents have not been written before the next attempt to read from the underlying resource.

Add a call to FileChannel.force() or close() the channel.

• missing/call

mubench/examples/survey/ChannelFlush.java

needsFlushToEnsureWrite(ByteBuffer)

class ChannelFlush {
	public void needsFlushToEnsureWrite(ByteBuffer content) throws IOException {
		Path path = new File("foo").toPath();
		
		FileChannel out = FileChannel.open(path, StandardOpenOption.WRITE);
		out.write(content);
		
		FileChannel in = FileChannel.open(path, StandardOpenOption.READ);
		in.read(content);
	}

}

public class CloseChannel {
  public void pattern(ByteBuffer content, Path path) throws IOException {
    FileChannel out = null;
    try {
      out = FileChannel.open(path, StandardOpenOption.WRITE);
      out.write(content);
    } finally {
      if (out != null)
        out.close();
    }
  }
}