private void evictOrRemoveTest(boolean evict) {
final String KEY = KEY_BASE + testCount++;
assertNull("local is clean", localAccessStrategy.get(KEY, System.currentTimeMillis()));
assertNull("remote is clean", remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
localAccessStrategy.putFromLoad(KEY, VALUE1, System.currentTimeMillis(), new Integer(1));
assertEquals(VALUE1, localAccessStrategy.get(KEY, System.currentTimeMillis()));
remoteAccessStrategy.putFromLoad(KEY, VALUE1, System.currentTimeMillis(), new Integer(1));
assertEquals(VALUE1, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
// Wait for async propagation
sleep(250);
if (evict) {
localAccessStrategy.evict(KEY);
} else {
localAccessStrategy.remove(KEY);
}
assertEquals(null, localAccessStrategy.get(KEY, System.currentTimeMillis()));
assertEquals(null, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
}
private void evictOrRemoveAllTest(boolean evict) {
final String KEY = KEY_BASE + testCount++;
assertEquals(0, getValidKeyCount(localCollectionRegion.getCacheAdapter().keySet()));
assertEquals(0, getValidKeyCount(remoteCollectionRegion.getCacheAdapter().keySet()));
assertNull("local is clean", localAccessStrategy.get(KEY, System.currentTimeMillis()));
assertNull("remote is clean", remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
localAccessStrategy.putFromLoad(KEY, VALUE1, System.currentTimeMillis(), new Integer(1));
assertEquals(VALUE1, localAccessStrategy.get(KEY, System.currentTimeMillis()));
remoteAccessStrategy.putFromLoad(KEY, VALUE1, System.currentTimeMillis(), new Integer(1));
assertEquals(VALUE1, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
// Wait for async propagation
sleep(250);
if (evict) {
localAccessStrategy.evictAll();
} else {
localAccessStrategy.removeAll();
}
// This should re-establish the region root node
assertNull(localAccessStrategy.get(KEY, System.currentTimeMillis()));
assertEquals(0, getValidKeyCount(localCollectionRegion.getCacheAdapter().keySet()));
// Re-establishing the region root on the local node doesn't
// propagate it to other nodes. Do a get on the remote node to re-establish
assertEquals(null, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
assertEquals(0, getValidKeyCount(remoteCollectionRegion.getCacheAdapter().keySet()));
// Test whether the get above messes up the optimistic version
remoteAccessStrategy.putFromLoad(KEY, VALUE1, System.currentTimeMillis(), new Integer(1));
assertEquals(VALUE1, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
assertEquals(1, getValidKeyCount(remoteCollectionRegion.getCacheAdapter().keySet()));
// Wait for async propagation of the putFromLoad
sleep(250);
assertEquals(
"local is correct",
(isUsingInvalidation() ? null : VALUE1),
localAccessStrategy.get(KEY, System.currentTimeMillis()));
assertEquals(
"remote is correct", VALUE1, remoteAccessStrategy.get(KEY, System.currentTimeMillis()));
}
@Test
public void testGetRegion() {
assertEquals("Correct region", localCollectionRegion, localAccessStrategy.getRegion());
}
private void putFromLoadTest(final boolean useMinimalAPI) throws Exception {
final String KEY = KEY_BASE + testCount++;
final CountDownLatch writeLatch1 = new CountDownLatch(1);
final CountDownLatch writeLatch2 = new CountDownLatch(1);
final CountDownLatch completionLatch = new CountDownLatch(2);
Thread node1 =
new Thread() {
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
assertEquals("node1 starts clean", null, localAccessStrategy.get(KEY, txTimestamp));
writeLatch1.await();
if (useMinimalAPI) {
localAccessStrategy.putFromLoad(KEY, VALUE2, txTimestamp, new Integer(2), true);
} else {
localAccessStrategy.putFromLoad(KEY, VALUE2, txTimestamp, new Integer(2));
}
BatchModeTransactionManager.getInstance().commit();
} catch (Exception e) {
log.error("node1 caught exception", e);
node1Exception = e;
rollback();
} catch (AssertionFailedError e) {
node1Failure = e;
rollback();
} finally {
// Let node2 write
writeLatch2.countDown();
completionLatch.countDown();
}
}
};
Thread node2 =
new Thread() {
public void run() {
try {
long txTimestamp = System.currentTimeMillis();
BatchModeTransactionManager.getInstance().begin();
assertNull("node2 starts clean", remoteAccessStrategy.get(KEY, txTimestamp));
// Let node1 write
writeLatch1.countDown();
// Wait for node1 to finish
writeLatch2.await();
// Let the first PFER propagate
sleep(200);
if (useMinimalAPI) {
remoteAccessStrategy.putFromLoad(KEY, VALUE1, txTimestamp, new Integer(1), true);
} else {
remoteAccessStrategy.putFromLoad(KEY, VALUE1, txTimestamp, new Integer(1));
}
BatchModeTransactionManager.getInstance().commit();
} catch (Exception e) {
log.error("node2 caught exception", e);
node2Exception = e;
rollback();
} catch (AssertionFailedError e) {
node2Failure = e;
rollback();
} finally {
completionLatch.countDown();
}
}
};
node1.setDaemon(true);
node2.setDaemon(true);
node1.start();
node2.start();
assertTrue("Threads completed", completionLatch.await(2, TimeUnit.SECONDS));
if (node1Failure != null) {
throw node1Failure;
}
if (node2Failure != null) {
throw node2Failure;
}
assertEquals("node1 saw no exceptions", null, node1Exception);
assertEquals("node2 saw no exceptions", null, node2Exception);
// let the final PFER propagate
sleep(100);
long txTimestamp = System.currentTimeMillis();
String msg1 = "Correct node1 value";
String msg2 = "Correct node2 value";
Object expected1 = null;
Object expected2 = null;
if (isUsingInvalidation()) {
// PFER does not generate any invalidation, so each node should
// succeed. We count on database locking and Hibernate removing
// the collection on any update to prevent the situation we have
// here where the caches have inconsistent data
expected1 = VALUE2;
expected2 = VALUE1;
} else {
// the initial VALUE2 should prevent the node2 put
expected1 = VALUE2;
expected2 = VALUE2;
}
assertEquals(msg1, expected1, localAccessStrategy.get(KEY, txTimestamp));
assertEquals(msg2, expected2, remoteAccessStrategy.get(KEY, txTimestamp));
}
@Override
protected void putInRegion(Region region, Object key, Object value) {
CollectionRegionAccessStrategy strategy =
((CollectionRegion) region).buildAccessStrategy(AccessType.TRANSACTIONAL);
strategy.putFromLoad(key, value, System.currentTimeMillis(), new Integer(1));
}