@Override
public void run() {
try {
while (total < finishTotal) {
try {
Thread.sleep(sleepDuration);
} catch (InterruptedException ie) {
break;
}
final CacheableValue myValue = datastore.get(myKey).elementAs(CacheableValue.class);
datastore.put(
myKey,
ObjectSerializer.instance().writeObject(myValue.next()),
300,
TimeUnit.SECONDS);
total++;
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
final ReposeInstanceInfo instanceInfo =
new ReposeInstanceInfo("SingleKeyContentionInserter", "node");
final MutableClusterView view = new ThreadSafeClusterView(getHttpPortList(20000));
final EHCacheDatastoreManager localManager = new EHCacheDatastoreManager(new CacheManager());
final HashRingDatastoreManager remoteManager =
new HashRingDatastoreManager(
new RequestProxyServiceImpl(),
"",
UUIDEncodingProvider.getInstance(),
MD5MessageDigestFactory.getInstance(),
view,
localManager.getDatastore());
final Datastore datastore = remoteManager.getDatastore();
view.updateMembers(
new InetSocketAddress[] {
new InetSocketAddress(InetAddress.getLocalHost(), 2101),
new InetSocketAddress(InetAddress.getLocalHost(), 2102),
new InetSocketAddress(InetAddress.getLocalHost(), 2103),
new InetSocketAddress(InetAddress.getLocalHost(), 2104)
});
final String myKey = "mykey";
final int finishTotal = 9700, sleep1 = 100, sleep2 = 200, sleep3 = 1200, sleep4 = 300;
total = 0;
final Thread
inserter1 = new Thread(new CacheInserterRunnable(sleep1, finishTotal, datastore, myKey)),
inserter2 = new Thread(new CacheInserterRunnable(sleep2, finishTotal, datastore, myKey)),
inserter3 = new Thread(new CacheInserterRunnable(sleep3, finishTotal, datastore, myKey)),
inserter4 = new Thread(new CacheInserterRunnable(sleep4, finishTotal, datastore, myKey));
final Thread reader =
new Thread(
new Runnable() {
@Override
public void run() {
try {
while (true) {
try {
Thread.sleep(400);
} catch (InterruptedException ie) {
break;
}
final CacheableValue myValue =
datastore.get(myKey).elementAs(CacheableValue.class);
System.out.println(
"Acquired: "
+ myValue.getValue()
+ " out of "
+ total
+ "\t\t\t\t- Potential Drift Ratio: "
+ ((double) myValue.getValue() / (double) total)
+ "\t\t- Elapsed time: "
+ (System.currentTimeMillis() - beginTimestamp)
+ "ms");
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
},
"Reader 1");
Thread.sleep(4000);
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(new CacheableValue(0, true));
oos.close();
beginTimestamp = System.currentTimeMillis();
datastore.put(myKey, baos.toByteArray(), 200, TimeUnit.SECONDS);
reader.start();
inserter1.start();
inserter2.start();
inserter3.start();
inserter4.start();
Thread.sleep(200000);
System.exit(0);
}
