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Micro Distribution of the Payara Project for IBM JDK
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package com.sun.ejb.containers;
import com.sun.ejb.EjbInvocation;
import com.sun.ejb.spi.container.StatefulEJBContext;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.InvocationManager;
import javax.ejb.EJBException;
import javax.ejb.SessionContext;
import javax.ejb.TimerService;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.transaction.UserTransaction;
import javax.xml.rpc.handler.MessageContext;
import com.sun.ejb.EJBUtils;
import java.util.*;
import static com.sun.ejb.containers.StatefulSessionContainer.EEMRefInfo;
import static com.sun.ejb.containers.StatefulSessionContainer.EEMRefInfoKey;
/**
* Implementation of EJBContext for SessionBeans
*
* @author Mahesh Kannan
*/
public abstract class AbstractSessionContextImpl
extends EJBContextImpl
implements SessionContext {
protected Object instanceKey;
protected String ejbName;
protected AbstractSessionContextImpl(Object ejb, BaseContainer container) {
super(ejb, container);
EjbSessionDescriptor sessionDesc =
(EjbSessionDescriptor) getContainer().getEjbDescriptor();
this.ejbName = sessionDesc.getName();
}
public Object getInstanceKey() {
return instanceKey;
}
public void setInstanceKey(Object instanceKey) {
this.instanceKey = instanceKey;
}
public String toString() {
return ejbName + "; id: " + instanceKey;
}
public TimerService getTimerService() throws IllegalStateException {
// Instance key is first set between after setSessionContext and
// before ejbCreate
if (instanceKey == null) {
throw new IllegalStateException("Operation not allowed");
}
EJBTimerService timerService = EJBTimerService.getValidEJBTimerService();
return new EJBTimerServiceWrapper(timerService, this);
}
public UserTransaction getUserTransaction()
throws IllegalStateException {
// The state check ensures that an exception is thrown if this
// was called from setSession/EntityContext. The instance key check
// ensures that an exception is not thrown if this was called
// from a stateless SessionBean's ejbCreate.
if ((state == BeanState.CREATED) && (instanceKey == null))
throw new IllegalStateException("Operation not allowed");
return ((BaseContainer) getContainer()).getUserTransaction();
}
public MessageContext getMessageContext() {
InvocationManager invManager = EjbContainerUtilImpl.getInstance().getInvocationManager();
try {
ComponentInvocation inv = invManager.getCurrentInvocation();
if ((inv != null) && isWebServiceInvocation(inv)) {
return ((EjbInvocation) inv).messageContext;
} else {
throw new IllegalStateException("Attempt to access " +
"MessageContext outside of a web service invocation");
}
} catch (Exception e) {
IllegalStateException ise = new IllegalStateException();
ise.initCause(e);
throw ise;
}
}
public T getBusinessObject(Class businessInterface)
throws IllegalStateException {
// businessInterface param can also be a class in the case of the
// no-interface view
// getBusinessObject not allowed for Stateless/Stateful beans
// until after dependency injection
if (instanceKey == null) {
throw new IllegalStateException("Operation not allowed");
}
T businessObject = null;
EjbDescriptor ejbDesc = container.getEjbDescriptor();
if (businessInterface != null) {
String intfName = businessInterface.getName();
if ((ejbLocalBusinessObjectImpl != null) &&
ejbDesc.getLocalBusinessClassNames().contains(intfName)) {
// Get proxy corresponding to this business interface.
businessObject = (T) ejbLocalBusinessObjectImpl
.getClientObject(intfName);
} else if ((ejbRemoteBusinessObjectImpl != null) &&
ejbDesc.getRemoteBusinessClassNames().contains(intfName)) {
// Create a new client object from the stub for this
// business interface.
String generatedIntf = EJBUtils.getGeneratedRemoteIntfName(intfName);
java.rmi.Remote stub =
ejbRemoteBusinessObjectImpl.getStub(generatedIntf);
try {
businessObject = (T) EJBUtils.createRemoteBusinessObject
(container.getClassLoader(), intfName, stub);
} catch(Exception e) {
IllegalStateException ise = new IllegalStateException
("Error creating remote business object for " +
intfName);
ise.initCause(e);
throw ise;
}
} else if( ejbDesc.isLocalBean() && intfName.equals( ejbDesc.getEjbClassName() ) ) {
businessObject = (T) optionalEjbLocalBusinessObjectImpl.
getClientObject(ejbDesc.getEjbClassName());
}
}
if (businessObject == null) {
throw new IllegalStateException("Invalid business interface : " +
businessInterface + " for ejb " + ejbDesc.getName());
}
return businessObject;
}
public Class getInvokedBusinessInterface()
throws IllegalStateException {
Class businessInterface = null;
try {
ComponentInvocation inv = EjbContainerUtilImpl.getInstance().getCurrentInvocation();
if ((inv != null) && (inv instanceof EjbInvocation)) {
EjbInvocation invocation = (EjbInvocation) inv;
if (invocation.isBusinessInterface) {
businessInterface = invocation.clientInterface;
if( container.isLocalBeanClass(invocation.clientInterface.getName()) ) {
businessInterface = container.getEJBClass();
}
}
}
} catch (Exception e) {
IllegalStateException ise = new IllegalStateException();
ise.initCause(e);
throw ise;
}
if (businessInterface == null) {
throw new IllegalStateException("Attempt to call " +
"getInvokedBusinessInterface outside the scope of a business " +
"method");
}
return businessInterface;
}
public boolean wasCancelCalled() {
try {
ComponentInvocation inv = EjbContainerUtilImpl.getInstance().getCurrentInvocation();
if ((inv != null) && (inv instanceof EjbInvocation)) {
EjbInvocation invocation = (EjbInvocation) inv;
EjbFutureTask task = invocation.getEjbFutureTask();
if (task == null) {
throw new IllegalStateException("Must be invoked from an async method");
}
if( (invocation.method.getReturnType() == Void.TYPE) ) {
throw new IllegalStateException("Must be invoked from a method with a Future " +
"return type");
}
return invocation.getWasCancelCalled();
}
} catch (Exception e) {
IllegalStateException ise = new IllegalStateException(e.getMessage());
ise.initCause(e);
throw ise;
}
throw new IllegalStateException("Attempt to invoke wasCancelCalled from " +
"outside an ejb invocation");
}
protected void checkAccessToCallerSecurity()
throws IllegalStateException {
if (state == BeanState.CREATED) {
throw new IllegalStateException("Operation not allowed");
}
}
public void checkTimerServiceMethodAccess()
throws IllegalStateException {
// checks that apply to both stateful AND stateless
if ((state == BeanState.CREATED) || inEjbRemove) {
throw new IllegalStateException
("EJB Timer method calls cannot be called in this context");
}
}
protected ComponentInvocation getCurrentComponentInvocation() {
BaseContainer container = (BaseContainer) getContainer();
return container.invocationManager.getCurrentInvocation();
}
private boolean isWebServiceInvocation(ComponentInvocation inv) {
return (inv instanceof EjbInvocation) && ((EjbInvocation) inv).isWebService;
}
}
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