/**
* Executes a sequence of steps to verify values are in fact stored, retrieved, and removed. The
* invocations are performed via all different nodes in the system to gain some confidence about
* the Chord implementation.
*
* @throws NodeLeftException
*/
@Test
public void testInsert() throws RemoteException, NodeLeftException {
byte[] test = "hello world".getBytes();
KeyValueStore kvs = node0.getKeyValueStore();
kvs.put(test, test);
kvs = node1.getKeyValueStore();
Assert.assertArrayEquals(test, (byte[]) kvs.get(test));
kvs = node2.getKeyValueStore();
kvs.remove(test);
kvs = node3.getKeyValueStore();
Assert.assertNull(kvs.get(test));
}
/**
* Initializes a complete Chord ring in this virtual machine. Invocations across nodes are
* in-memory, by-reference invocations.
*/
@Before
public void setup() throws RemoteException {
ScheduledExecutorService ses =
new ScheduledExecutorService() {
@Override
public void execute(Runnable command) {
// TODO Auto-generated method stub
}
@Override
public <T> Future<T> submit(Runnable task, T result) {
// TODO Auto-generated method stub
return null;
}
@Override
public Future<?> submit(Runnable task) {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> Future<T> submit(Callable<T> task) {
// TODO Auto-generated method stub
return null;
}
@Override
public List<Runnable> shutdownNow() {
// TODO Auto-generated method stub
return null;
}
@Override
public void shutdown() {
// TODO Auto-generated method stub
}
@Override
public boolean isTerminated() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isShutdown() {
// TODO Auto-generated method stub
return false;
}
@Override
public <T> T invokeAny(
Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
throws InterruptedException, ExecutionException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> List<Future<T>> invokeAll(
Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
throws InterruptedException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
throws InterruptedException {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
// TODO Auto-generated method stub
return false;
}
@Override
public ScheduledFuture<?> scheduleWithFixedDelay(
Runnable command, long initialDelay, long delay, TimeUnit unit) {
return null;
}
@Override
public ScheduledFuture<?> scheduleAtFixedRate(
Runnable command, long initialDelay, long period, TimeUnit unit) {
// TODO Auto-generated method stub
return null;
}
@Override
public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
// TODO Auto-generated method stub
return null;
}
@Override
public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
// TODO Auto-generated method stub
return null;
}
};
node0 = ChordServer.createNode(createConf(0), ses);
node1 = ChordServer.createNode(createConf(1), ses);
node2 = ChordServer.createNode(createConf(2), ses);
node3 = ChordServer.createNode(createConf(3), ses);
node0.getService().join(null);
node1.getService().join(node0);
node2.getService().join(node0);
node3.getService().join(node0);
}