package com.hazelcast.concurrent.atomicreference;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IAtomicReference;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.concurrent.ExecutionException;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class AtomicReferenceInstanceSharingTest extends HazelcastTestSupport {
private static HazelcastInstance[] instances;
private static HazelcastInstance local;
private static HazelcastInstance remote;
@BeforeClass
public static void setUp() {
instances = new TestHazelcastInstanceFactory(2).newInstances();
warmUpPartitions(instances);
local = instances[0];
remote = instances[1];
}
@Test
public void invocationToLocalMember() throws ExecutionException, InterruptedException {
String localKey = generateKeyOwnedBy(local);
IAtomicReference<DummyObject> ref = local.getAtomicReference(localKey);
DummyObject inserted = new DummyObject();
ref.set(inserted);
DummyObject get1 = ref.get();
DummyObject get2 = ref.get();
assertNotNull(get1);
assertNotNull(get2);
assertNotSame(get1, get2);
assertNotSame(get1, inserted);
assertNotSame(get2, inserted);
}
public static class DummyObject implements Serializable {
}
@Test
public void invocationToRemoteMember() throws ExecutionException, InterruptedException {
String localKey = generateKeyOwnedBy(remote);
IAtomicReference<DummyObject> ref = local.getAtomicReference(localKey);
DummyObject inserted = new DummyObject();
ref.set(inserted);
DummyObject get1 = ref.get();
DummyObject get2 = ref.get();
assertNotNull(get1);
assertNotNull(get2);
assertNotSame(get1, get2);
assertNotSame(get1, inserted);
assertNotSame(get2, inserted);
}
}