package org.multiverse.stms.gamma.transactions.lean;
import org.multiverse.api.TxnFactoryBuilder;
import org.multiverse.stms.gamma.GammaStm;
import org.multiverse.stms.gamma.transactions.GammaTxn;
import org.multiverse.stms.gamma.transactions.GammaTxnConfig;
import org.multiverse.stms.gamma.transactions.GammaTxnFactory;
import org.multiverse.stms.gamma.transactions.GammaTxnPool;
import static org.multiverse.stms.gamma.transactions.ThreadLocalGammaTxnPool.getThreadLocalGammaTxnPool;
public class LeanMonoGammaTxnFactory implements GammaTxnFactory {
private final GammaTxnConfig config;
public LeanMonoGammaTxnFactory(GammaStm stm) {
this(new GammaTxnConfig(stm).setControlFlowErrorsReused(false));
}
public LeanMonoGammaTxnFactory(GammaTxnConfig config) {
this.config = config.setControlFlowErrorsReused(false).init();
}
@Override
public GammaTxnConfig getConfig() {
return config;
}
@Override
public GammaTxn upgradeAfterSpeculativeFailure(GammaTxn failingTransaction, GammaTxnPool pool) {
throw new UnsupportedOperationException();
}
@Override
public TxnFactoryBuilder getTxnFactoryBuilder() {
throw new UnsupportedOperationException();
}
@Override
public LeanMonoGammaTxn newTxn() {
return newTransaction(getThreadLocalGammaTxnPool());
}
@Override
public LeanMonoGammaTxn newTransaction(GammaTxnPool pool) {
LeanMonoGammaTxn tx = pool.takeLeanMono();
if (tx == null) {
tx = new LeanMonoGammaTxn(config);
} else {
tx.init(config);
}
return tx;
}
}