Creating a Shared File Lock on a File : FileLock « File Input Output « Java

Creating a Shared File Lock on a File

import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;

public class Main {
  public static void main(String[] argv) throws Exception {
    File file = new File("filename");
    FileChannel channel = new RandomAccessFile(file, "rw").getChannel();

    FileLock lock = channel.lock(0, Long.MAX_VALUE, true);

    lock = channel.tryLock(0, Long.MAX_VALUE, true);

    boolean isShared = lock.isShared();




Related examples in the same category

1.Creating a File Lock on a File
2.Preventing multiple instances of an application: The file lock technique