package org.multiverse.stms.gamma.integration.failureatomicity;
import org.junit.Before;
import org.junit.Test;
import org.multiverse.api.Txn;
import org.multiverse.api.TxnExecutor;
import org.multiverse.api.callables.TxnVoidCallable;
import org.multiverse.api.exceptions.RetryTimeoutException;
import org.multiverse.stms.gamma.GammaStm;
import org.multiverse.stms.gamma.transactionalobjects.GammaTxnLong;
import org.multiverse.stms.gamma.transactions.GammaTxn;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import static org.multiverse.api.GlobalStmInstance.getGlobalStmInstance;
import static org.multiverse.api.StmUtils.retry;
import static org.multiverse.api.TxnThreadLocal.clearThreadLocalTxn;
public class TimeoutRollbackTest {
private GammaTxnLong modifyRef;
private GammaTxnLong awaitRef;
private GammaStm stm;
@Before
public void setUp() {
clearThreadLocalTxn();
stm = (GammaStm) getGlobalStmInstance();
modifyRef = new GammaTxnLong(stm);
awaitRef = new GammaTxnLong(stm);
}
@Test
public void test() {
try {
setAndTimeout();
fail();
} catch (RetryTimeoutException expected) {
}
assertEquals(0, modifyRef.atomicGet());
}
public void setAndTimeout() {
TxnExecutor executor = stm.newTxnFactoryBuilder()
.setTimeoutNs(TimeUnit.SECONDS.toNanos(1))
.newTxnExecutor();
executor.execute(new TxnVoidCallable() {
@Override
public void call(Txn tx) throws Exception {
GammaTxn btx = (GammaTxn) tx;
modifyRef.getAndSet(btx, 1);
if (awaitRef.get(btx) != 1000) {
retry();
}
}
});
}
}