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package com.sun.enterprise.transaction;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.concurrent.Semaphore;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import jakarta.transaction.*;
import javax.transaction.xa.*;
import jakarta.resource.spi.XATerminator;
import jakarta.resource.spi.work.WorkException;
import com.sun.enterprise.transaction.api.JavaEETransaction;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;
import com.sun.enterprise.transaction.api.TransactionAdminBean;
import com.sun.enterprise.transaction.api.XAResourceWrapper;
import com.sun.enterprise.transaction.spi.JavaEETransactionManagerDelegate;
import com.sun.enterprise.transaction.spi.TransactionalResource;
import com.sun.enterprise.transaction.spi.TransactionInternal;
import com.sun.enterprise.util.i18n.StringManager;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PostConstruct;
import jakarta.inject.Inject;
/**
** Implementation of JavaEETransactionManagerDelegate that supports only
* local transactions with a single non-XA resource.
*
* @author Marina Vatkina
*/
@Service
public class JavaEETransactionManagerSimplifiedDelegate
implements JavaEETransactionManagerDelegate, PostConstruct {
// @Inject
private JavaEETransactionManager tm;
// Sting Manager for Localization
private static StringManager sm
= StringManager.getManager(JavaEETransactionManagerSimplified.class);
private Logger _logger;
private boolean lao = false;
private static final ReentrantReadWriteLock.ReadLock readLock =
new ReentrantReadWriteLock().readLock();
private final Semaphore writeLock = new Semaphore(1, true);
public JavaEETransactionManagerSimplifiedDelegate() {
}
public void postConstruct() {
// tm.setDelegate(this);
}
public boolean useLAO() {
return lao;
}
public void setUseLAO(boolean b) {
lao = b;
}
/** Throws an exception if called as it means that there is
* no active local transaction to commit.
*/
public void commitDistributedTransaction() throws
RollbackException, HeuristicMixedException,
HeuristicRollbackException, SecurityException,
IllegalStateException, SystemException {
throw new IllegalStateException(sm.getString(
"enterprise_distributedtx.transaction_notactive"));
}
/** Throws an exception if called as it means that there is
* no active local transaction to rollback.
*/
public void rollbackDistributedTransaction() throws IllegalStateException,
SecurityException, SystemException {
throw new IllegalStateException(sm.getString(
"enterprise_distributedtx.transaction_notactive"));
}
public int getStatus() throws SystemException {
JavaEETransaction tx = tm.getCurrentTransaction();
if ( tx != null && tx.isLocalTx())
return tx.getStatus();
else
return jakarta.transaction.Status.STATUS_NO_TRANSACTION;
}
public Transaction getTransaction() throws SystemException {
return tm.getCurrentTransaction();
}
public JavaEETransaction getJavaEETransaction(Transaction t) {
if(t instanceof JavaEETransaction){
return (JavaEETransaction)t;
}
throw new IllegalStateException(sm.getString("enterprise_distributedtx.nonxa_usein_jts"));
}
public boolean enlistDistributedNonXAResource(Transaction tran, TransactionalResource h)
throws RollbackException, IllegalStateException, SystemException {
throw new IllegalStateException(sm.getString("enterprise_distributedtx.nonxa_usein_jts"));
}
public boolean enlistLAOResource(Transaction tran, TransactionalResource h)
throws RollbackException, IllegalStateException, SystemException {
return false;
}
/** Throws an exception if called as it means that there is
* no active local transaction.
*/
public void setRollbackOnlyDistributedTransaction()
throws IllegalStateException, SystemException {
throw new IllegalStateException(sm.getString(
"enterprise_distributedtx.transaction_notactive"));
}
public Transaction suspend(JavaEETransaction tx) throws SystemException {
if ( tx != null ) {
tm.setCurrentTransaction(null);
}
return tx;
}
public void resume(Transaction tx)
throws InvalidTransactionException, IllegalStateException,
SystemException {
/** XXX Throw an exception ??? The process should happen in the caller. XXX **/
}
public void removeTransaction(Transaction tx) {}
public int getOrder() {
return 1;
}
public void setTransactionManager(JavaEETransactionManager tm) {
this.tm = (JavaEETransactionManagerSimplified)tm;
_logger = ((JavaEETransactionManagerSimplified)tm).getLogger();
}
public TransactionInternal startJTSTx(JavaEETransaction t, boolean isAssociatedTimeout)
throws RollbackException, IllegalStateException, SystemException {
throw new UnsupportedOperationException("startJTSTx");
}
public boolean supportsXAResource() {
return false;
}
public void initRecovery(boolean force) {
// No-op. Always called on server startup
}
public void recover(XAResource[] resourceList) {
throw new UnsupportedOperationException("recover");
}
public XATerminator getXATerminator() {
throw new UnsupportedOperationException("getXATerminator");
}
public void release(Xid xid) throws WorkException {
throw new UnsupportedOperationException("release");
}
public void recreate(Xid xid, long timeout) throws WorkException {
throw new UnsupportedOperationException("recreate");
}
public boolean recoverIncompleteTx(boolean delegated, String logPath,
XAResource[] xaresArray) throws Exception {
throw new UnsupportedOperationException("recoverIncompleteTx");
}
public XAResourceWrapper getXAResourceWrapper(String clName) {
return null;
}
public void handlePropertyUpdate(String name, Object value) {}
public Lock getReadLock() {
return readLock;
}
public boolean isWriteLocked() {
return (writeLock.availablePermits() == 0);
}
public void acquireWriteLock() {
try {
writeLock.acquire();
} catch(InterruptedException ie) {
_logger.log(Level.FINE,"Error in acquireReadLock",ie);
}
}
public void releaseWriteLock() {
writeLock.release();
}
/**
* Return false as this delegate doesn't support tx interop.
*/
public boolean isNullTransaction() {
return false;
}
public TransactionAdminBean getTransactionAdminBean(Transaction tran)
throws jakarta.transaction.SystemException {
return ((JavaEETransactionManagerSimplified)tm).getTransactionAdminBean(tran);
}
/** {@inheritDoc}
*/
public String getTxLogLocation() {
throw new UnsupportedOperationException("getTxLogLocation");
}
/** {@inheritDoc}
*/
public void registerRecoveryResourceHandler(XAResource xaResource) {
throw new UnsupportedOperationException("registerRecoveryResourceHandler");
}
}