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package org.glassfish.cdi.transaction;
import com.sun.enterprise.transaction.spi.TransactionOperationsManager;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Globals;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.glassfish.logging.annotation.LoggerInfo;
import org.glassfish.logging.annotation.LogMessagesResourceBundle;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.interceptor.InvocationContext;
import javax.naming.InitialContext;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import java.io.Serializable;
import java.util.logging.Logger;
/**
* Base class for all interceptors providing common logic for exception handling, etc.
*
* @author Paul Parkinson
*/
public class TransactionalInterceptorBase implements Serializable {
@LogMessagesResourceBundle
public static final String SHARED_LOGMESSAGE_RESOURCE = "org.glassfish.cdi.LogMessages";
@LoggerInfo(subsystem = "AS-CDI-JTA", description = "CDI-JTA", publish = true)
public static final String CDI_JTA_LOGGER_SUBSYSTEM_NAME = "javax.enterprise.resource.jta";
private static final Logger _logger = Logger.getLogger(CDI_JTA_LOGGER_SUBSYSTEM_NAME,
SHARED_LOGMESSAGE_RESOURCE);
@LogMessageInfo( message = "Encountered NamingException while attempting to acquire " +
"transaction manager for Transactional annotation interceptors {0}",
action = "Fix the issue for the Naming exception",
cause = "Transaction annotation processing for the Naming",
level = "SEVERE")
public static final String CDI_JTA_NAME_EXCEPTION = "AS-JTA-00001";
@LogMessageInfo( message = "About to setRollbackOnly from @Transactional interceptor on " +
"transaction: {0}",
level = "INFO")
public static final String CDI_JTA_SETROLLBACK = "AS-JTA-00002";
@LogMessageInfo( message = "No ComponentInvocation present for @Transactional annotation " +
"processing. Restriction on use of UserTransaction will not be enforced.",
level = "WARNING")
public static final String CDI_JTA_NOCOMPONENT = "AS-JTA-00003";
@LogMessageInfo( message = "In MANDATORY TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_MANDATORY = "AS-JTA-00004";
@LogMessageInfo( message = "In NEVER TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_NEVER = "AS-JTA-00005";
@LogMessageInfo( message = "In NOT_SUPPORTED TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_NOTSUPPORTED = "AS-JTA-00006";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of NOT_SUPPORTED " +
"called inside a transaction context. Suspending transaction...",
level = "INFO")
public static final String CDI_JTA_MBNOTSUPPORTED = "AS-JTA-00007";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of NOT_SUPPORTED " +
"called inside a transaction context. Suspending transaction failed due to {0}",
level = "INFO")
public static final String CDI_JTA_MBNOTSUPPORTEDTX = "AS-JTA-00008";
@LogMessageInfo( message = "In REQUIRED TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_REQUIRED = "AS-JTA-00009";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRED " +
"called outside a transaction context. Beginning a transaction...",
level = "INFO")
public static final String CDI_JTA_MBREQUIRED = "AS-JTA-00010";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRED " +
"encountered exception during begin {0}",
level = "INFO")
public static final String CDI_JTA_MBREQUIREDBT = "AS-JTA-00011";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRED " +
"encountered exception during commit {0}",
level = "INFO")
public static final String CDI_JTA_MBREQUIREDCT = "AS-JTA-00012";
@LogMessageInfo( message = "In REQUIRES_NEW TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_REQNEW = "AS-JTA-00013";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRES_NEW " +
"called inside a transaction context. Suspending before beginning a transaction...",
level = "INFO")
public static final String CDI_JTA_MBREQNEW = "AS-JTA-00014";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRES_NEW " +
"encountered exception during begin {0}",
level = "INFO")
public static final String CDI_JTA_MBREQNEWBT = "AS-JTA-00015";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRES_NEW " +
"encountered exception during commit {0}",
level = "INFO")
public static final String CDI_JTA_MBREQNEWCT = "AS-JTA-00016";
@LogMessageInfo( message = "Managed bean with Transactional annotation and TxType of REQUIRED " +
"encountered exception during resume {0}",
level = "INFO")
public static final String CDI_JTA_MBREQNEWRT = "AS-JTA-00017";
@LogMessageInfo( message = "In SUPPORTS TransactionalInterceptor",
level = "INFO")
public static final String CDI_JTA_SUPPORTS = "AS-JTA-00018";
private static TransactionManager testTransactionManager;
volatile private static TransactionManager transactionManager;
transient private TransactionOperationsManager preexistingTransactionOperationsManager;
private static final TransactionOperationsManager
transactionalTransactionOperationsManagerTransactionMethodsAllowed =
new TransactionalTransactionOperationsManagerTransactionMethodsAllowed();
private static final TransactionOperationsManager
transactionalTransactionOperationsManagerTransactionMethodsNotAllowed =
new TransactionalTransactionOperationsManagerTransactionMethodsNotAllowed();
/**
* Must not return null
*
* @return TransactionManager
*/
public TransactionManager getTransactionManager() {
if (testTransactionManager != null) return testTransactionManager;
if (transactionManager == null) {
try {
synchronized (TransactionalInterceptorBase.class) {
if (transactionManager == null)
transactionManager = (TransactionManager)
new InitialContext().lookup("java:appserver/TransactionManager");
}
} catch (NamingException e) {
_logger.log(java.util.logging.Level.SEVERE, CDI_JTA_NAME_EXCEPTION, e);
throw new RuntimeException("Unable to obtain TransactionManager for Transactional Interceptor", e);
}
}
return transactionManager;
}
static void setTestTransactionManager(TransactionManager transactionManager) {
testTransactionManager = transactionManager;
}
boolean isLifeCycleMethod(InvocationContext ctx) {
return (ctx.getMethod().getAnnotation(PostConstruct.class) != null) ||
(ctx.getMethod().getAnnotation(PreDestroy.class) != null);
}
public Object proceed(InvocationContext ctx) throws Exception {
javax.transaction.Transactional transactionalAnnotation =
ctx.getMethod().getAnnotation(javax.transaction.Transactional.class);
Class[] rollbackOn = null;
Class[] dontRollbackOn = null;
if (transactionalAnnotation != null) { //if at method level
rollbackOn = transactionalAnnotation.rollbackOn();
dontRollbackOn = transactionalAnnotation.dontRollbackOn();
} else { //if not, at class level
Class<?> targetClass = ctx.getTarget().getClass();
transactionalAnnotation = targetClass.getAnnotation(javax.transaction.Transactional.class);
if (transactionalAnnotation != null) {
rollbackOn = transactionalAnnotation.rollbackOn();
dontRollbackOn = transactionalAnnotation.dontRollbackOn();
}
}
Object object;
try {
object = ctx.proceed();
} catch (RuntimeException runtimeException) {
Class dontRollbackOnClass =
getClassInArrayClosestToClassOrNull(dontRollbackOn, runtimeException.getClass());
if (dontRollbackOnClass == null) { //proceed as default...
markRollbackIfActiveTransaction();
throw runtimeException;
}
//spec states "if both elements are specified, dontRollbackOn takes precedence."
if(dontRollbackOnClass.equals(runtimeException.getClass()) || dontRollbackOnClass.isAssignableFrom(runtimeException.getClass())) {
throw runtimeException;
}
Class rollbackOnClass =
getClassInArrayClosestToClassOrNull(rollbackOn, runtimeException.getClass());
if(rollbackOnClass!=null) {
//both rollback and dontrollback are isAssignableFrom exception.
//check if one isAssignableFrom the other, dontRollbackOn takes precedence if not
if(rollbackOnClass.isAssignableFrom(dontRollbackOnClass)) {
throw runtimeException;
}
else if(dontRollbackOnClass.isAssignableFrom(rollbackOnClass)) {
markRollbackIfActiveTransaction();
throw runtimeException;
}
}
//This means dontRollbackOnClass is "not null" and rollbackOnClass is "null"
//Default for un-checked exception is to mark transaction for rollback
markRollbackIfActiveTransaction();
throw runtimeException;
} catch (Exception checkedException) {
Class rollbackOnClass =
getClassInArrayClosestToClassOrNull(rollbackOn, checkedException.getClass());
if (rollbackOnClass == null) { //proceed as default...
throw checkedException;
}
//spec states "if both elements are specified, dontRollbackOn takes precedence."
Class dontRollbackOnClass =
getClassInArrayClosestToClassOrNull(dontRollbackOn, checkedException.getClass());
if(dontRollbackOnClass!=null) {
//both rollback and dontrollback are isAssignableFrom exception.
//check if one isAssignableFrom the other, dontRollbackOn takes precedence if not
if(rollbackOnClass.isAssignableFrom(dontRollbackOnClass)) {
throw checkedException;
} else if(dontRollbackOnClass.isAssignableFrom(rollbackOnClass)) {
markRollbackIfActiveTransaction();
throw checkedException;
}
}
if(rollbackOnClass.equals(checkedException.getClass()) || rollbackOnClass.isAssignableFrom(checkedException.getClass()) ) {
markRollbackIfActiveTransaction();
throw checkedException;
}
//This means dontRollbackOnClass is null but rollbackOnClass is "not null"
//Default for checked exception is to "not" mark transaction for rollback
throw checkedException;
}
return object;
}
/**
* We want the exception in the array that is closest/lowest in hierarchy to the exception
* So if c extends b which extends a the return of
* getClassInArrayClosestToClassOrNull( {a,b} , c}
* will be b
*
* @param exceptionArray rollbackOn or dontRollbackOn exception array
* @param exception actual exception thrown for comparison
* @return exception in the array that is closest/lowest in hierarchy to the exception or null if non exists
*/
private Class getClassInArrayClosestToClassOrNull(Class[] exceptionArray, Class exception) {
if(exceptionArray==null || exception == null) return null;
Class closestMatch = null;
for (Class exceptionArrayElement : exceptionArray) {
if (exceptionArrayElement.equals(exception)) {
return exceptionArrayElement;
} else if (exceptionArrayElement.isAssignableFrom(exception)) {
if (closestMatch == null || closestMatch.isAssignableFrom(exceptionArrayElement))
closestMatch = exceptionArrayElement;
}
}
return closestMatch;
}
private void markRollbackIfActiveTransaction() throws SystemException {
Transaction transaction = getTransactionManager().getTransaction();
if (transaction != null) {
_logger.log(java.util.logging.Level.INFO, CDI_JTA_SETROLLBACK, transaction);
getTransactionManager().setRollbackOnly();
}
}
void setTransactionalTransactionOperationsManger(boolean userTransactionMethodsAllowed) {
if (testTransactionManager != null) return; //test
ComponentInvocation currentInvocation = getCurrentInvocation();
if (currentInvocation == null) {
_logger.log(java.util.logging.Level.WARNING, CDI_JTA_NOCOMPONENT);
return;
}
preexistingTransactionOperationsManager =
(TransactionOperationsManager) currentInvocation.getTransactionOperationsManager();
currentInvocation.setTransactionOperationsManager(userTransactionMethodsAllowed ?
transactionalTransactionOperationsManagerTransactionMethodsAllowed :
transactionalTransactionOperationsManagerTransactionMethodsNotAllowed);
}
void resetTransactionOperationsManager() {
if (testTransactionManager != null) return; //test
ComponentInvocation currentInvocation = getCurrentInvocation();
if (currentInvocation == null) {
//there should always be a currentInvocation and so this would seem a bug
// but not a fatal one as app should not be relying on this, so log warning only
System.out.println("TransactionalInterceptorBase.markThreadAsTransactional currentInvocation==null");
return;
}
currentInvocation.setTransactionOperationsManager(preexistingTransactionOperationsManager);
}
ComponentInvocation getCurrentInvocation() {
ServiceLocator serviceLocator = Globals.getDefaultHabitat();
InvocationManager invocationManager =
serviceLocator == null ? null : serviceLocator.getService(InvocationManager.class);
return invocationManager == null ? null : invocationManager.getCurrentInvocation();
}
private static final class TransactionalTransactionOperationsManagerTransactionMethodsAllowed
implements TransactionOperationsManager {
public boolean userTransactionMethodsAllowed() {
return true;
}
public void userTransactionLookupAllowed() throws NameNotFoundException {
}
public void doAfterUtxBegin() {
}
}
private static final class TransactionalTransactionOperationsManagerTransactionMethodsNotAllowed
implements TransactionOperationsManager {
public boolean userTransactionMethodsAllowed() {
return false;
}
public void userTransactionLookupAllowed() throws NameNotFoundException {
}
public void doAfterUtxBegin() {
}
}
}