package org.infinispan.transaction.xa;
import org.infinispan.Cache;
import org.infinispan.commons.CacheException;
import org.infinispan.commons.util.CollectionFactory;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.factories.annotations.Start;
import org.infinispan.transaction.impl.LocalTransaction;
import org.infinispan.transaction.impl.TransactionTable;
import org.infinispan.transaction.xa.recovery.RecoveryManager;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import javax.transaction.Transaction;
import javax.transaction.xa.XAException;
import javax.transaction.xa.Xid;
import java.util.concurrent.ConcurrentMap;
/**
* {@link TransactionTable} to be used with {@link TransactionXaAdapter}.
*
* @author Mircea.Markus@jboss.com
* @since 5.0
*/
public class XaTransactionTable extends TransactionTable {
private static final Log log = LogFactory.getLog(XaTransactionTable.class);
protected ConcurrentMap<Xid, LocalXaTransaction> xid2LocalTx;
private RecoveryManager recoveryManager;
private String cacheName;
@Inject
public void init(RecoveryManager recoveryManager, Cache cache) {
this.recoveryManager = recoveryManager;
this.cacheName = cache.getName();
}
@Start(priority = 9) // Start before cache loader manager
@SuppressWarnings("unused")
public void startXidMapping() {
final int concurrencyLevel = configuration.locking().concurrencyLevel();
xid2LocalTx = CollectionFactory.makeConcurrentMap(concurrencyLevel, 0.75f, concurrencyLevel);
}
@Override
public boolean removeLocalTransaction(LocalTransaction localTx) {
boolean result = false;
if (localTx.getTransaction() != null) {//this can be null when we force the invocation during recovery, perhaps on a remote node
result = super.removeLocalTransaction(localTx);
}
removeXidTxMapping((LocalXaTransaction) localTx);
return result;
}
private void removeXidTxMapping(LocalXaTransaction localTx) {
final Xid xid = localTx.getXid();
xid2LocalTx.remove(xid);
}
public LocalXaTransaction getLocalTransaction(Xid xid) {
return this.xid2LocalTx.get(xid);
}
public void addLocalTransactionMapping(LocalXaTransaction localTransaction) {
if (localTransaction.getXid() == null) throw new IllegalStateException("Initialize xid first!");
this.xid2LocalTx.put(localTransaction.getXid(), localTransaction);
}
@Override
public void enlist(Transaction transaction, LocalTransaction ltx) {
LocalXaTransaction localTransaction = (LocalXaTransaction) ltx;
if (!localTransaction.isEnlisted()) { //make sure that you only enlist it once
try {
transaction.enlistResource(new TransactionXaAdapter(
localTransaction, this, recoveryManager,
txCoordinator, commandsFactory, rpcManager,
clusteringLogic, configuration, cacheName));
} catch (Exception e) {
Xid xid = localTransaction.getXid();
if (xid != null && !localTransaction.getLookedUpEntries().isEmpty()) {
log.debug("Attempting a rollback to clear stale resources!");
try {
txCoordinator.rollback(localTransaction);
} catch (XAException xae) {
log.debug("Caught exception attempting to clean up " + xid, xae);
}
}
log.failedToEnlistTransactionXaAdapter(e);
throw new CacheException(e);
}
}
}
public RecoveryManager getRecoveryManager() {
return recoveryManager;
}
public void setRecoveryManager(RecoveryManager recoveryManager) {
this.recoveryManager = recoveryManager;
}
@Override
public int getLocalTxCount() {
return xid2LocalTx.size();
}
}