static ThreadLocal<Integer> n = new ThreadLocal<Integer>() { protectedsynchronized Integer initialValue() { return INITIAL_VALUE;
}
};
publicstaticvoid main(String args[]) throws Throwable { int threadCount = 100; finalint[] removeNode = {10,20,45,38}; // ThreadLocal values will be removed for these threads. finalint[] removeAndSet = {12,34,10}; // ThreadLocal values will be removed and sets new values..
Thread th[] = newThread[threadCount]; finalint x[] = newint[threadCount]; final Throwable exceptions[] = new Throwable[threadCount];
// To remove the ThreadLocal .... for(int removeId : removeNode) if(threadId == removeId){
n.remove(); // Removes ThreadLocal values.. break;
}
// To remove the ThreadLocal value and set new value ... for(int removeId : removeAndSet) if(threadId == removeId){
n.remove(); // Removes the ThreadLocal Value...
n.set(REMOVE_SET_VALUE); /* Setting new Values to
ThreadLocal */ break;
} /* Storing the threadlocal values in 'x'
...so that it can be used for checking results... */
x[threadId] = n.get();
} catch(Throwable ex){
exceptions[threadId] = ex;
}
}
};
th[i].start();
}
// Wait for the threads to finish for(int i = 0; i<threadCount; i++)
th[i].join();
// Check results for(int i = 0; i<threadCount; i++){ int checkValue = i;
/* If the remove method is called then the ThreadLocal value will
* be its initial value */ for(int removeId : removeNode) if(removeId == i){
checkValue = INITIAL_VALUE; break;
}
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