package org.infinispan.lock.singlelock.replicated.pessimistic;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.distribution.MagicKey;
import org.infinispan.lock.singlelock.AbstractNoCrashTest;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.tm.EmbeddedTransaction;
import org.testng.annotations.Test;
/**
* @author Mircea Markus
* @since 5.1
*/
@Test (groups = "functional", testName = "lock.singlelock.replicated.pessimistic.BasicSingleLockRepPessimisticTest")
public class BasicSingleLockRepPessimisticTest extends AbstractNoCrashTest {
public BasicSingleLockRepPessimisticTest() {
super(CacheMode.REPL_SYNC, LockingMode.PESSIMISTIC, false);
}
protected void testTxAndLockOnDifferentNodes(AbstractNoCrashTest.Operation operation, boolean addFirst, boolean removed) throws Exception {
Object k = new MagicKey("k", cache(0));
if (addFirst)
cache(0).put(k, "v_initial");
assertNotLocked(k);
tm(0).begin();
operation.perform(k, 0);
assert lockManager(0).isLocked(k);
assert !lockManager(1).isLocked(k);
assert !lockManager(2).isLocked(k);
tm(0).commit();
assertNotLocked(k);
assertValue(k, removed);
}
public void testMultipleLocksInSameTx() throws Exception {
Object k1 = new MagicKey("k1", cache(0));
Object k2 = new MagicKey("k2", cache(0));
tm(0).begin();
cache(0).put(k1, "v");
cache(0).put(k2, "v");
assert lockManager(0).isLocked(k1);
assert lockManager(0).isLocked(k2);
assert !lockManager(1).isLocked(k1);
assert !lockManager(1).isLocked(k2);
assert !lockManager(1).isLocked(k2);
assert !lockManager(2).isLocked(k2);
tm(0).commit();
assertNotLocked(k1);
assertNotLocked(k2);
assertValue(k1, false);
assertValue(k2, false);
}
public void testTxAndLockOnSameNode() throws Exception {
Object k0 = new MagicKey("k0", cache(0));
tm(0).begin();
cache(0).put(k0, "v");
assert lockManager(0).isLocked(k0);
assert !lockManager(1).isLocked(k0);
assert !lockManager(2).isLocked(k0);
tm(0).commit();
assertNotLocked(k0);
assertValue(k0, false);
}
public void testSecondTxCannotPrepare1() throws Exception {
Object k0 = new MagicKey("k0", cache(0));
tm(0).begin();
cache(0).put(k0, "v");
EmbeddedTransaction dtm = (EmbeddedTransaction) tm(0).suspend();
assert checkTxCount(0, 1, 0);
assert checkTxCount(1, 0, 0);
assert checkTxCount(2, 0, 0);
tm(0).begin();
try {
cache(0).put(k0, "other");
assert false;
} catch (Throwable e) {
tm(0).rollback();
}
eventually(() -> checkTxCount(0, 1, 0) && checkTxCount(1, 0, 0) && checkTxCount(2, 0, 0));
tm(1).begin();
try {
cache(1).put(k0, "other");
assert false;
} catch (Throwable e) {
tm(0).rollback();
}
eventually(() -> checkTxCount(0, 1, 0) && checkTxCount(1, 0, 0) && checkTxCount(2, 0, 0));
tm(0).resume(dtm);
tm(0).commit();
assertValue(k0, false);
eventually(() -> noPendingTransactions(0) && noPendingTransactions(1) && noPendingTransactions(2));
}
public void testSecondTxCannotPrepare2() throws Exception {
Object k0 = new MagicKey("k0", cache(0));
tm(1).begin();
cache(1).put(k0, "v");
EmbeddedTransaction dtm = (EmbeddedTransaction) tm(1).suspend();
assert checkTxCount(0, 0, 1);
assert checkTxCount(1, 1, 0);
assert checkTxCount(2, 0, 1);
tm(0).begin();
try {
cache(0).put(k0, "other");
assert false;
} catch (Throwable e) {
tm(0).rollback();
}
eventually(() -> checkTxCount(0, 0, 1) && checkTxCount(1, 1, 0) && checkTxCount(2, 0, 1));
tm(1).begin();
try {
cache(1).put(k0, "other");
assert false;
} catch (Throwable e) {
tm(0).rollback();
}
eventually(() -> checkTxCount(0, 0, 1) && checkTxCount(1, 1, 0) && checkTxCount(2, 0, 1));
tm(0).resume(dtm);
tm(0).commit();
assertValue(k0, false);
eventually(() -> noPendingTransactions(0) && noPendingTransactions(1) && noPendingTransactions(2));
}
}