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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package com.sun.ejb.containers;
import com.sun.ejb.EJBUtils;
import com.sun.ejb.EjbInvocation;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import jakarta.ejb.SessionContext;
import jakarta.ejb.TimerService;
import jakarta.transaction.UserTransaction;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.InvocationManager;
/**
* Implementation of EJBContext for SessionBeans
*
* @author Mahesh Kannan
*/
public abstract class AbstractSessionContextImpl extends EJBContextImpl implements SessionContext {
private final String ejbName;
private Object instanceKey;
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;
}
@Override
public String toString() {
return ejbName + "; id: " + getInstanceKey();
}
@Override
public TimerService getTimerService() throws IllegalStateException {
// Instance key is first set between after setSessionContext and
// before ejbCreate
if (getInstanceKey() == null) {
throw new IllegalStateException("Operation not allowed");
}
return EJBTimerService.getEJBTimerServiceWrapper(this);
}
@Override
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 && getInstanceKey() == null) {
throw new IllegalStateException("Operation not allowed");
}
return ((BaseContainer) getContainer()).getUserTransaction();
}
@Override
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 (getInstanceKey() == 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) {
throw new IllegalStateException("Error creating remote business object for " + intfName, e);
}
} 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;
}
@Override
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) {
throw new IllegalStateException(e);
}
if (businessInterface == null) {
throw new IllegalStateException(
"Attempt to call getInvokedBusinessInterface outside the scope of a business method");
}
return businessInterface;
}
@Override
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");
}
@Override
protected void checkAccessToCallerSecurity()
throws IllegalStateException {
if (state == BeanState.CREATED) {
throw new IllegalStateException("Operation not allowed");
}
}
@Override
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;
}
}