1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/reentrant/src/org/apidesign/reentrant/NonReentrantLock.java	Sat Jun 14 09:54:36 2008 +0200
     1.3 @@ -0,0 +1,22 @@
     1.4 +package org.apidesign.reentrant;
     1.5 +
     1.6 +import java.util.concurrent.locks.ReentrantLock;
     1.7 +
     1.8 +final class NonReentrantLock extends ReentrantLock {
     1.9 +    @Override
    1.10 +    public void lock() {
    1.11 +        if (isHeldByCurrentThread()) {
    1.12 +            throw new IllegalStateException("Attempt to reentrant lock");
    1.13 +        }
    1.14 +        super.lock();
    1.15 +    }
    1.16 +
    1.17 +    @Override
    1.18 +    public void lockInterruptibly() throws InterruptedException {
    1.19 +        if (isHeldByCurrentThread()) {
    1.20 +            throw new IllegalStateException("Attempt to reentrant lock");
    1.21 +        }
    1.22 +        super.lockInterruptibly();
    1.23 +    }
    1.24 +    
    1.25 +}