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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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package org.infinispan.context;
import org.infinispan.CacheException;
import org.infinispan.context.impl.LocalTxInvocationContext;
import org.infinispan.context.impl.NonTxInvocationContext;
import org.infinispan.context.impl.RemoteTxInvocationContext;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.transaction.xa.LocalTransaction;
import org.infinispan.transaction.xa.TransactionTable;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
/**
* Default implementation for {@link org.infinispan.context.InvocationContextContainer}.
*
* @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>)
* @author Mircea.Markus@jboss.com
* @since 4.0
*/
public class InvocationContextContainerImpl implements InvocationContextContainer {
private TransactionManager tm;
private TransactionTable transactionTable;
ThreadLocal<InvocationContext> icTl = new ThreadLocal<InvocationContext>();
@Inject
public void init(TransactionManager tm, TransactionTable transactionTable) {
this.tm = tm;
this.transactionTable = transactionTable;
}
public InvocationContext createInvocationContext() {
Transaction tx = getRunningTx();
InvocationContext existing = icTl.get();
if (tx != null) {
LocalTxInvocationContext localContext;
if ((existing == null) || !(existing instanceof LocalTxInvocationContext)) {
localContext = new LocalTxInvocationContext();
icTl.set(localContext);
} else {
localContext = (LocalTxInvocationContext) existing;
}
LocalTransaction localTransaction = transactionTable.getLocalTransaction(tx);
localContext.setLocalTransaction(localTransaction);
return localContext;
} else {
NonTxInvocationContext nonTxContext;
if ((existing == null) || !(existing instanceof NonTxInvocationContext)) {
nonTxContext = new NonTxInvocationContext();
icTl.set(nonTxContext);
} else {
nonTxContext = (NonTxInvocationContext) existing;
}
nonTxContext.setOriginLocal(true);
return nonTxContext;
}
}
public LocalTxInvocationContext createTxInvocationContext() {
InvocationContext existing = icTl.get();
if (existing != null && existing instanceof LocalTxInvocationContext) {
return (LocalTxInvocationContext) existing;
}
LocalTxInvocationContext localTxContext = new LocalTxInvocationContext();
icTl.set(localTxContext);
return localTxContext;
}
public RemoteTxInvocationContext createRemoteTxInvocationContext() {
InvocationContext existing = icTl.get();
if (existing != null && existing instanceof RemoteTxInvocationContext) {
return (RemoteTxInvocationContext) existing;
}
RemoteTxInvocationContext remoteTxContext = new RemoteTxInvocationContext();
icTl.set(remoteTxContext);
return remoteTxContext;
}
public NonTxInvocationContext createNonTxInvocationContext() {
InvocationContext existing = icTl.get();
if (existing != null && existing instanceof NonTxInvocationContext) {
NonTxInvocationContext context = (NonTxInvocationContext) existing;
context.setOriginLocal(true);
return context;
}
NonTxInvocationContext remoteTxContext = new NonTxInvocationContext();
icTl.set(remoteTxContext);
return remoteTxContext;
}
public NonTxInvocationContext createRemoteInvocationContext() {
InvocationContext existing = icTl.get();
if (existing != null && existing instanceof NonTxInvocationContext) {
NonTxInvocationContext context = (NonTxInvocationContext) existing;
context.setOriginLocal(false);
return context;
}
NonTxInvocationContext remoteNonTxContext = new NonTxInvocationContext();
remoteNonTxContext.setOriginLocal(false);
icTl.set(remoteNonTxContext);
return remoteNonTxContext;
}
public InvocationContext getInvocationContext() {
InvocationContext invocationContext = icTl.get();
if (invocationContext == null)
throw new IllegalStateException("This method can only be called after associating the current thread with a context");
return invocationContext;
}
public InvocationContext suspend() {
InvocationContext invocationContext = icTl.get();
icTl.remove();
return invocationContext;
}
public void resume(InvocationContext ctxt) {
if (ctxt != null) icTl.set(ctxt);
}
private Transaction getRunningTx() {
try {
return tm == null ? null : tm.getTransaction();
} catch (SystemException e) {
throw new CacheException(e);
}
}
}