package org.infinispan.context;
import org.infinispan.batch.BatchContainer;
import org.infinispan.commons.CacheException;
import org.infinispan.configuration.cache.ClusterLoaderConfiguration;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.StoreConfiguration;
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.factories.annotations.Start;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.LocalTransaction;
import org.infinispan.transaction.RemoteTransaction;
import org.infinispan.transaction.TransactionTable;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import java.util.List;
/**
* Invocation context to be used for transactional caches.
*
* @author Mircea.Markus@jboss.com
* @since 4.0
*/
public class TransactionalInvocationContextContainer extends AbstractInvocationContextContainer {
private TransactionManager tm;
private TransactionTable transactionTable;
private boolean isThreadLocalRequired;
private BatchContainer batchContainer;
private boolean batchingEnabled;
@Inject
public void init(TransactionManager tm,
TransactionTable transactionTable, Configuration config, BatchContainer batchContainer) {
super.init(config);
this.tm = tm;
this.transactionTable = transactionTable;
this.batchContainer = batchContainer;
this.batchingEnabled = config.invocationBatching().enabled();
}
@Start
public void start() {
super.start();
isThreadLocalRequired =
config.clustering().cacheMode().isClustered()
|| config.storeAsBinary().enabled()
|| hasClusterCacheLoader();
}
private boolean hasClusterCacheLoader() {
boolean hasStores = config.persistence().usingStores();
if (hasStores) {
List<StoreConfiguration> loaderConfigs = config.persistence().stores();
for (StoreConfiguration loaderConfig : loaderConfigs) {
if (loaderConfig instanceof ClusterLoaderConfiguration)
return true;
}
}
return false;
}
@Override
public NonTxInvocationContext createNonTxInvocationContext() {
return newNonTxInvocationContext(true);
}
@Override
public InvocationContext createSingleKeyNonTxInvocationContext() {
InvocationContext ctx = new SingleKeyNonTxInvocationContext(true, keyEq);
// Required only for marshaller is required, or cluster cache loader needed
if (isThreadLocalRequired)
ctxHolder.set(ctx);
return ctx;
}
@Override
public InvocationContext createInvocationContext(
boolean isWrite, int keyCount) {
final Transaction runningTx = getRunningTx();
if (runningTx == null && !isWrite) {
if (keyCount == 1)
return createSingleKeyNonTxInvocationContext();
else
return newNonTxInvocationContext(true);
}
return createInvocationContext(runningTx);
}
@Override
public InvocationContext createInvocationContext(Transaction tx) {
if (tx == null) throw new IllegalArgumentException("Cannot create a transactional context without a valid Transaction instance.");
LocalTxInvocationContext localContext = new LocalTxInvocationContext(keyEq);
LocalTransaction localTransaction = transactionTable.getLocalTransaction(tx);
localContext.setLocalTransaction(localTransaction);
localContext.setTransaction(tx);
ctxHolder.set(localContext);
return localContext;
}
@Override
public LocalTxInvocationContext createTxInvocationContext() {
LocalTxInvocationContext ctx = new LocalTxInvocationContext(keyEq);
ctxHolder.set(ctx);
return ctx;
}
@Override
public RemoteTxInvocationContext createRemoteTxInvocationContext(
RemoteTransaction tx, Address origin) {
RemoteTxInvocationContext ctx = new RemoteTxInvocationContext();
ctx.setOrigin(origin);
ctx.setRemoteTransaction(tx);
ctxHolder.set(ctx);
return ctx;
}
@Override
public NonTxInvocationContext createRemoteInvocationContext(Address origin) {
final NonTxInvocationContext nonTxInvocationContext = newNonTxInvocationContext(false);
nonTxInvocationContext.setOrigin(origin);
return nonTxInvocationContext;
}
private Transaction getRunningTx() {
try {
Transaction transaction = null;
if (batchingEnabled) {
transaction = batchContainer.getBatchTransaction();
}
if (transaction == null) {
transaction = tm.getTransaction();
}
return transaction;
} catch (SystemException e) {
throw new CacheException(e);
}
}
protected final NonTxInvocationContext newNonTxInvocationContext(boolean local) {
NonTxInvocationContext ctx = new NonTxInvocationContext(keyEq);
ctx.setOriginLocal(local);
ctxHolder.set(ctx);
return ctx;
}
}