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// Portions Copyright [2016-2023] [Payara Foundation and/or its affiliates.]
package com.sun.ejb.containers;
import com.sun.appserv.connectors.internal.api.ResourceHandle;
import com.sun.ejb.ComponentContext;
import com.sun.ejb.Container;
import com.sun.ejb.EjbInvocation;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.api.invocation.ComponentInvocation;
import com.sun.enterprise.container.common.spi.JCDIService;
import jakarta.ejb.EJBContext;
import jakarta.ejb.EJBHome;
import jakarta.ejb.EJBLocalHome;
import jakarta.ejb.EJBLocalObject;
import jakarta.ejb.EJBObject;
import javax.naming.Context;
import javax.naming.InitialContext;
import jakarta.transaction.Status;
import jakarta.transaction.Transaction;
import jakarta.transaction.TransactionManager;
import jakarta.transaction.UserTransaction;
import java.lang.reflect.Method;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Implementation of jakarta.ejb.EJBContext for the J2EE Reference Implementation.
*
*/
public abstract class EJBContextImpl
implements EJBContext, ComponentContext, java.io.Serializable {
static final Logger _logger = EjbContainerUtilImpl.getLogger();
public enum BeanState {CREATED, POOLED, READY, INVOKING, INCOMPLETE_TX,
IN_PASSIVATE, PASSIVATED, IN_ACTIVATE, ACTIVATED, IN_REMOVE, DESTROYED}
private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(EJBContextImpl.class);
private Object ejb;
// These are all transient to prevent serialization during passivation
// Note: all these will be initialized to default values during
// deserialization.
transient protected BaseContainer container;
transient protected Transaction transaction = null;
transient protected Context initialContext = null;
transient private ArrayList resources;
transient private int concInvokeCount = 0;
// the EJBObject's client-side RMI stub
transient protected EJBObject ejbStub=null;
transient protected EJBObjectImpl ejbObjectImpl;
transient protected EJBObjectImpl ejbRemoteBusinessObjectImpl;
transient protected EJBLocalObjectImpl ejbLocalObjectImpl;
transient protected EJBLocalObjectImpl ejbLocalBusinessObjectImpl;
transient protected EJBLocalObjectImpl optionalEjbLocalBusinessObjectImpl;
transient private long lastTimeUsed;
transient protected BeanState state;
// true if the bean exposes a RemoteHome/Remote view
// (not 3.0 business view)
protected boolean isRemoteInterfaceSupported;
// true if the bean exposes a LocalHome/Localview
// (not 3.0 business view)
protected boolean isLocalInterfaceSupported;
// can't/doesn't set the context to DESTROYED until after calling ejbRemove
// but it needs a way to know if bean is being removed. Standardizing
// on the DESTROYED state doesn't help, since often times the container
// can't/doesn't set the context to DESTROYED until after calling ejbRemove
transient protected boolean inEjbRemove;
private Object[] interceptorInstances;
// TODO how to handle this for passivated SFSBs?
transient protected JCDIService.JCDIInjectionContext jcdiInjectionContext;
protected EJBContextImpl(Object ejb, BaseContainer container) {
this.ejb = ejb;
this.container = container;
state = BeanState.CREATED;
inEjbRemove = false;
isRemoteInterfaceSupported = container.isRemoteInterfaceSupported();
isLocalInterfaceSupported = container.isLocalInterfaceSupported();
}
@Override
public Transaction getTransaction() {
return transaction;
}
public void setTransaction(Transaction tr) {
transaction = tr;
}
void setEJBStub(EJBObject ejbStub) {
this.ejbStub = ejbStub;
}
void setEJBLocalObjectImpl(EJBLocalObjectImpl localObjectImpl) {
this.ejbLocalObjectImpl = localObjectImpl;
}
void setEJBLocalBusinessObjectImpl(EJBLocalObjectImpl localBusObjectImpl) {
this.ejbLocalBusinessObjectImpl = localBusObjectImpl;
}
void setOptionalEJBLocalBusinessObjectImpl(EJBLocalObjectImpl optionalLocalBusObjectImpl) {
this.optionalEjbLocalBusinessObjectImpl = optionalLocalBusObjectImpl;
}
void setEJBObjectImpl(EJBObjectImpl ejbo) {
this.ejbObjectImpl = ejbo;
}
EJBObjectImpl getEJBObjectImpl() {
return ejbObjectImpl;
}
void setEJBRemoteBusinessObjectImpl(EJBObjectImpl ejbo) {
this.ejbRemoteBusinessObjectImpl = ejbo;
}
EJBObjectImpl getEJBRemoteBusinessObjectImpl() {
return this.ejbRemoteBusinessObjectImpl;
}
EJBLocalObjectImpl getEJBLocalObjectImpl() {
return ejbLocalObjectImpl;
}
EJBLocalObjectImpl getEJBLocalBusinessObjectImpl() {
return ejbLocalBusinessObjectImpl;
}
EJBLocalObjectImpl getOptionalEJBLocalBusinessObjectImpl() {
return optionalEjbLocalBusinessObjectImpl;
}
void setContainer(BaseContainer container) {
this.container = container;
}
void setState(BeanState s) {
state = s;
}
boolean isTimedObject() {
return container.isTimedObject();
}
protected BeanState getState() {
return state;
}
void setInEjbRemove(boolean beingRemoved) {
inEjbRemove = beingRemoved;
}
boolean isInEjbRemove() {
return inEjbRemove;
}
void setJCDIInjectionContext(JCDIService.JCDIInjectionContext ctx) {
jcdiInjectionContext = ctx;
}
JCDIService.JCDIInjectionContext getJCDIInjectionContext() {
return jcdiInjectionContext;
}
public long getLastTimeUsed() {
return lastTimeUsed;
}
public void touch() {
lastTimeUsed = System.currentTimeMillis();
}
/**************************************************************************
The following are implementations of ComponentContext methods.
**************************************************************************/
/**
*
*/
@Override
public Object getEJB() {
return ejb;
}
@Override
public Container getContainer() {
return container;
}
/**
* Register a resource opened by the EJB instance
* associated with this Context.
*/
public void registerResource(ResourceHandle h) {
if (resources == null) {
resources = new ArrayList();
}
resources.add(h);
}
/**
* Unregister a resource from this Context.
*/
public void unregisterResource(ResourceHandle h) {
if (resources == null) {
resources = new ArrayList();
}
resources.remove(h);
}
/**
* Get all the resources associated with the context
*/
@Override
public List getResourceList() {
if (resources == null) {
resources = new ArrayList(0);
}
return resources;
}
/**
* reset resource list when putting SLSB back in the pool
*/
void resetResourceList() {
resources = null;
}
/**
* Get the number of concurrent invocations on this bean
* (could happen with re-entrant bean).
* Used by TM.
*/
public int getConcurrentInvokeCount() {
return concInvokeCount;
}
/**
* Increment the number of concurrent invocations on this bean
* (could happen with re-entrant bean).
* Used by TM.
*/
public synchronized void incrementConcurrentInvokeCount() {
concInvokeCount++;
}
/**
* Decrement the number of concurrent invocations on this bean
* (could happen with re-entrant bean).
* Used by TM.
*/
public synchronized void decrementConcurrentInvokeCount() {
concInvokeCount--;
}
/**************************************************************************
The following are implementations of EJBContext methods.
**************************************************************************/
/**
* This is a SessionContext/EntityContext method.
*/
public EJBObject getEJBObject() throws IllegalStateException {
if (ejbStub == null) {
throw new IllegalStateException("EJBObject not available");
}
return ejbStub;
}
/**
* This is a SessionContext/EntityContext method.
*/
public EJBLocalObject getEJBLocalObject() throws IllegalStateException {
if ( ejbLocalObjectImpl == null ) {
throw new IllegalStateException("EJBLocalObject not available");
}
// Have to convert EJBLocalObjectImpl to the client-view of
// EJBLocalObject
return (EJBLocalObject) ejbLocalObjectImpl.getClientObject();
}
/**
*
*/
@Override
public EJBHome getEJBHome() {
if (! isRemoteInterfaceSupported) {
throw new IllegalStateException("EJBHome not available");
}
return container.getEJBHomeStub();
}
/**
*
*/
@Override
public EJBLocalHome getEJBLocalHome() {
if (! isLocalInterfaceSupported) {
throw new IllegalStateException("EJBLocalHome not available");
}
return container.getEJBLocalHome();
}
@Override
public Object lookup(String name) {
Object o = null;
if( name == null ) {
throw new IllegalArgumentException("Argument is null");
}
try {
if( initialContext == null ) {
initialContext = new InitialContext();
}
// if name starts with java: use it as is. Otherwise, treat it
// as relative to the private component namespace.
String lookupString = name.startsWith("java:") ?
name : "java:comp/env/" + name;
o = initialContext.lookup(lookupString);
} catch(Exception e) {
throw new IllegalArgumentException(e);
}
return o;
}
/**
*
*/
@Override
public Principal getCallerPrincipal() {
checkAccessToCallerSecurity();
com.sun.enterprise.security.SecurityManager sm = container.getSecurityManager();
return sm.getCallerPrincipal();
}
/**
* @return Returns the contextMetaData.
*/
@Override
public Map getContextData() {
Map contextData = Collections.emptyMap();
ComponentInvocation inv = EjbContainerUtilImpl.getInstance().getCurrentInvocation();
if ( inv instanceof EjbInvocation ) {
EjbInvocation ejbInv = (EjbInvocation) inv;
contextData = ejbInv.getContextData();
}
return contextData;
}
/**
*
*/
@Override
public boolean isCallerInRole(String roleRef) {
if (roleRef == null) {
throw new IllegalStateException("Argument is null");
}
checkAccessToCallerSecurity();
com.sun.enterprise.security.SecurityManager sm = container.getSecurityManager();
return sm.isCallerInRole(roleRef);
}
/**
* Overridden in containers that allow access to isCallerInRole() and
* getCallerPrincipal()
*/
protected void checkAccessToCallerSecurity() throws IllegalStateException {
throw new IllegalStateException("Operation not allowed");
}
/**
*
*/
@Override
public UserTransaction getUserTransaction() throws IllegalStateException {
throw new IllegalStateException("Operation not allowed");
}
/**
*
*/
@Override
public void setRollbackOnly() throws IllegalStateException {
if (state == BeanState.CREATED)
throw new IllegalStateException("EJB not in READY state");
// EJB2.0 section 7.5.2: only EJBs with container managed transactions
// can use this method.
if ( container.isBeanManagedTran )
throw new IllegalStateException(
"Illegal operation for bean-managed transactions");
TransactionManager tm = EjbContainerUtilImpl.getInstance().getTransactionManager();
try {
if ( tm.getStatus() == Status.STATUS_NO_TRANSACTION ) {
// EJB might be in a non-business method (for SessionBeans)
// or afterCompletion.
// OR this was a NotSupported/Never/Supports
// EJB which was invoked without a global transaction.
// In that case the JDBC connection would have autoCommit=true
// so the container doesnt have to do anything.
throw new IllegalStateException("No transaction context.");
}
checkActivatePassivate();
doGetSetRollbackTxAttrCheck();
tm.setRollbackOnly();
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
/**
*
*/
@Override
public boolean getRollbackOnly() throws IllegalStateException {
if (state == BeanState.CREATED)
throw new IllegalStateException("EJB not in READY state");
// EJB2.0 section 7.5.2: only EJBs with container managed transactions
// can use this method.
if ( container.isBeanManagedTran )
throw new IllegalStateException(
"Illegal operation for bean-managed transactions");
TransactionManager tm = EjbContainerUtilImpl.getInstance().getTransactionManager();
try {
int status = tm.getStatus();
if ( status == Status.STATUS_NO_TRANSACTION ) {
// EJB which was invoked without a global transaction.
throw new IllegalStateException("No transaction context.");
}
checkActivatePassivate();
doGetSetRollbackTxAttrCheck();
if ( status == Status.STATUS_MARKED_ROLLBACK
|| status == Status.STATUS_ROLLEDBACK
|| status == Status.STATUS_ROLLING_BACK )
return true;
else
return false;
} catch (Exception ex) {
_logger.log(Level.FINE, "Exception in method getRollbackOnly()",
ex);
IllegalStateException illEx = new IllegalStateException(ex.toString());
illEx.initCause(ex);
throw illEx;
}
}
protected void doGetSetRollbackTxAttrCheck() {
ComponentInvocation inv =
EjbContainerUtilImpl.getInstance().getCurrentInvocation();
if ( inv instanceof EjbInvocation ) {
EjbInvocation ejbInv = (EjbInvocation) inv;
if( ejbInv.invocationInfo != null ) {
switch(ejbInv.invocationInfo.txAttr) {
case Container.TX_NOT_SUPPORTED :
case Container.TX_SUPPORTS :
case Container.TX_NEVER :
throw new IllegalStateException("Illegal tx attribute");
}
}
}
}
/**************************************************************************
The following are EJBContextImpl-specific methods.
**************************************************************************/
void setInterceptorInstances(Object[] instances) {
this.interceptorInstances = instances;
}
public Object[] getInterceptorInstances() {
return this.interceptorInstances;
}
/**
* The EJB spec makes a distinction between access to the TimerService
* object itself (via EJBContext.getTimerService) and access to the
* methods on TimerService, Timer, and TimerHandle. The latter case
* is covered by this check. It is overridden in the applicable concrete
* context impl subclasses.
*/
@Override
public void checkTimerServiceMethodAccess() throws IllegalStateException {
throw new IllegalStateException("EJB Timer Service method calls " +
"cannot be called in this context");
}
// Throw exception if EJB is in ejbActivate/Passivate
protected void checkActivatePassivate() throws IllegalStateException {
if( inActivatePassivate() ) {
throw new IllegalStateException("Operation not allowed.");
}
}
protected boolean inActivatePassivate() {
return inActivatePassivate(EjbContainerUtilImpl.getInstance().getCurrentInvocation());
}
protected boolean inActivatePassivate(ComponentInvocation inv) {
boolean inActivatePassivate = false;
if ( inv instanceof EjbInvocation) {
Method currentMethod = ((EjbInvocation)inv).method;
inActivatePassivate = (currentMethod != null)
? (currentMethod.getName().equals("ejbActivate") ||
currentMethod.getName().equals("ejbPassivate")
)
: false;
}
return inActivatePassivate;
}
void setEJB(Object o) {
ejb = o;
}
protected Object getKey() {
if ( ejbLocalObjectImpl != null ) {
return ejbLocalObjectImpl.getKey();
} else if ( ejbObjectImpl != null ) {
return ejbObjectImpl.getKey();
} else {
return null;
}
}
/**
* Called after this context is freed up.
*/
void deleteAllReferences() {
ejb = null;
container = null;
transaction = null;
resources = null;
ejbStub = null;
ejbObjectImpl = null;
ejbRemoteBusinessObjectImpl = null;
ejbLocalObjectImpl = null;
ejbLocalBusinessObjectImpl = null;
}
}
