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// Portions Copyright [2019-2021] Payara Foundation and/or affiliates
package com.sun.ejb;
import com.sun.ejb.containers.BaseContainer;
import com.sun.ejb.containers.EJBContextImpl;
import com.sun.ejb.containers.EJBLocalRemoteObject;
import com.sun.ejb.containers.EjbContainerUtilImpl;
import com.sun.ejb.containers.EjbFutureTask;
import com.sun.ejb.containers.SimpleEjbResourceHandlerImpl;
import com.sun.ejb.containers.interceptors.InterceptorManager;
import com.sun.ejb.containers.interceptors.InterceptorManager.AroundInvokeContext;
import com.sun.ejb.containers.interceptors.InterceptorUtil;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.transaction.spi.TransactionOperationsManager;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.rmi.UnmarshalException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.function.Predicate;
import jakarta.ejb.EJBContext;
import jakarta.ejb.Timer;
import jakarta.interceptor.InvocationContext;
import javax.naming.NameNotFoundException;
import jakarta.transaction.Transaction;
import jakarta.xml.soap.SOAPMessage;
import jakarta.xml.ws.WebServiceContext;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.ResourceHandler;
import org.glassfish.ejb.api.EJBInvocation;
/**
* The EjbInvocation object contains state associated with an invocation
* on an EJB or EJBHome (local/remote). It is usually created by generated code
* in *ObjectImpl and *HomeImpl classes. It is passed as a parameter to
* Container.preInvoke() * and postInvoke(), which are called by the
* EJB(Local)Object/EJB(Local)Home before and after an invocation.
*/
public class EjbInvocation //
extends ComponentInvocation //
implements InvocationContext, TransactionOperationsManager, EJBInvocation, AroundInvokeContext {
public ComponentContext context;
private TransactionOperationsManager transactionOperationsManager;
/**
* The EJBObject/EJBLocalObject which created this EjbInvocation object.
* This identifies the target bean.
*/
public EJBLocalRemoteObject ejbObject;
/**
* Local flag: true if this invocation was through the 2.x (or earlier)
* Local client view, the 3.x local client view or a no-interface client view.
*/
public boolean isLocal = false;
/**
* True if this invocation was made through the 2.x (or earlier) Remote
* client view or the 3.x remote client view.
*/
public boolean isRemote = false;
/**
* InvocationInfo object caches information about the current method
*/
public InvocationInfo invocationInfo;
/**
* True if this invocation was made through a local business interface or
* bean local view or a remote business interface.
*/
public boolean isBusinessInterface;
/**
* true if this is a web service invocation
*/
public boolean isWebService = false;
/**
* true if this is an ejb timeout method invocation
*/
public boolean isTimerCallback = false;
/**
* true if this is a message-driven bean invocation
*/
public boolean isMessageDriven = false;
/**
* true if this is an invocation on the home object
* this is required for jacc.
*/
public boolean isHome = false;
/**
* Home, Remote, LocalHome, Local, WebService, or business interface
* through which a synchronous ejb invocation was made.
*/
public Class clientInterface;
/**
* Method to be invoked. This is a method of the EJB's local/remote
* component interface for invocations on EJB(Local)Objects,
* or of the local/remote Home interface
* for invocations on the EJBHome.
* Set by the EJB(Local)Object/EJB(Local)Home before calling
* Container.preInvoke().
*/
public java.lang.reflect.Method method;
/**
* The EJB instance to be invoked.
* Set by Container and used by EJBObject/EJBHome.
*/
public Object ejb;
/**
* This reflects any exception that has occurred during this invocation,
* including preInvoke, bean method execution, and postInvoke.
*/
public Throwable exception;
/**
* Set to any exception directly thrown from bean method invocation,
* which could be either an application exception or a runtime exception.
* This is set *in addition to* the this.exception field. Some container
* processing logic, e.g. @Remove, depends specifically on whether a
* bean method threw an exception.
*/
public Throwable exceptionFromBeanMethod;
/**
* The client's transaction if any.
* Set by the Container during preInvoke() and used by the Container
* during postInvoke().
*/
public Transaction clientTx;
/**
* The transaction attribute of the bean method. Set in generated
* EJBObject/Home/LocalObject/LocalHome class.
*/
public int transactionAttribute;
/**
* Used by MessageBeanContainer. true if container started
* a transaction for this invocation.
*/
private boolean containerStartsTx;
/**
* Used by MessageBeanContainer to keep track of the context class
* loader that was active before message delivery began.
*/
private ClassLoader originalContextClassLoader;
/**
* Used for JACC PolicyContextHandlers. The handler can query the container
* back for parameters on the ejb. This is set during the method invocation
* and is not available for preInvoke calls.
*/
public Object[] methodParams;
public Timer timer;
/**
* Result of txManager.getStatus() performed at the beginning of
* BaseContainer.preInvoke() and valid up until preinvokeTx().
* txManager.getStatus() accesses a thread-local which is an
* expensive operation. Storing status in the invocation makes it
* easier for some of the other early pre-invoke operations to
* re-use it.
*/
private Integer preInvokeTxStatus;
/**
* Tells if a CMP2.x bean was found in the Tx cache. Applicable
* only for CMP2.x beans
*/
public boolean foundInTxCache = false;
/**
* Tells if a fast path can be taken for a business method
* invocation.
*/
public boolean useFastPath = false;
private java.util.concurrent.locks.Lock cmcLock;
private boolean doTxProcessingInPostInvoke;
private long invId;
private boolean yetToSubmitStatus = true;
private EjbFutureTask asyncFuture;
private boolean wasCancelCalled = false;
private Method webServiceMethod;
// True if lock is currently held for this invocation
private boolean holdingSFSBSerializedLock = false;
private int interceptorIndex;
public Method beanMethod;
/** Only set for web service invocations. */
private WebServiceContext webServiceContext;
/** Only set for EJB JAXWS */
// FIXME: private Message message = null;
private Object message;
private SOAPMessage soapMessage = null;
private Map contextData;
EjbInvocation(String compEnvId, Container container) {
super.componentId = compEnvId;
super.container = container;
super.setComponentInvocationType(ComponentInvocation.ComponentInvocationType.EJB_INVOCATION);
EjbBundleDescriptor ejbBundleDesc = container.getEjbDescriptor().getEjbBundleDescriptor();
moduleName = ejbBundleDesc.getModuleName();
appName = ejbBundleDesc.getApplication().getAppName();
registrationName = ejbBundleDesc.getApplication().getRegistrationName();
//By default we enable TransactionOperationsManager checks. But EjbInvocation.clone()
// clears transactionOperationsManager so that, be default, cloned invocations
// doesn't enforce Transaction Operations checks.
transactionOperationsManager = this;
}
public ClassLoader getOriginalContextClassLoader() {
return originalContextClassLoader;
}
public void setOriginalContextClassLoader(ClassLoader originalContextClassLoader) {
this.originalContextClassLoader = originalContextClassLoader;
}
public EjbFutureTask getEjbFutureTask() {
return asyncFuture;
}
public void setEjbFutureTask(EjbFutureTask future) {
asyncFuture = future;
}
public void setWasCancelCalled(boolean flag) {
wasCancelCalled = flag;
}
public boolean getWasCancelCalled() {
return wasCancelCalled;
}
public long getInvId() {
return invId;
}
public void setInvId(long invId) {
this.invId = invId;
}
public boolean mustInvokeAsynchronously() {
return (invocationInfo != null) && invocationInfo.isAsynchronous() && yetToSubmitStatus;
}
public void clearYetToSubmitStatus() {
yetToSubmitStatus = false;
}
public boolean getDoTxProcessingInPostInvoke() {
return doTxProcessingInPostInvoke;
}
public void setDoTxProcessingInPostInvoke(boolean doTxProcessingInPostInvoke) {
this.doTxProcessingInPostInvoke = doTxProcessingInPostInvoke;
}
@Override
public EjbInvocation clone() {
EjbInvocation newInv = (EjbInvocation) super.clone();
newInv.ejb = null;
newInv.exception = null;
newInv.exceptionFromBeanMethod = null;
newInv.clientTx = null;
newInv.preInvokeTxStatus = null;
newInv.originalContextClassLoader = null;
//The cloned invocation contains a ResourceHandler that points to the same
// resource list as the original invocation. If any one of these resource lists
// are modified, then we may get a ConcurrentModification exception.
//
//To avoid this, we will create a new ResourceHandler for the cloned invocation. I
// have simply reused SimpleEjbResourceHandlerImpl that was used in async Ejb invocation.
newInv.setResourceHandler(SimpleEjbResourceHandlerImpl.createResourceHandler(EjbContainerUtilImpl.getInstance().getTransactionManager()));
//The cloned invocation is most likely to be used for running a batch task.
// In this case, we don't want TransactionOperationsManager restricting the Batch runtime
// from performing a java:comp/UserTransaction lookup. So, we explicitly set a null
// TransactionOperationsManager in this case.
newInv.setTransactionOperationsManager(null);
//We also don't want any JPA EMs registry entries from being shared.
newInv.clearRegistry();
return newInv;
}
/**
* Used by JACC implementation to get an enterprise bean
* instance for the EnterpriseBean policy handler. The jacc
* implementation should use this method rather than directly
* accessing the ejb field.
*/
@Override
public Object getJaccEjb() {
Object bean = null;
if( container != null ) {
bean = ((Container) container).getJaccEjb(this);
}
return bean;
}
/**
* This method returns the method interface constant for this EjbInvocation.
*/
public String getMethodInterface() {
if (isWebService) {
return MethodDescriptor.EJB_WEB_SERVICE;
} else if (isMessageDriven) {
return MethodDescriptor.EJB_BEAN;
} else if (isLocal) {
return (isHome) ? MethodDescriptor.EJB_LOCALHOME :
MethodDescriptor.EJB_LOCAL;
} else {
return (isHome) ? MethodDescriptor.EJB_HOME :
MethodDescriptor.EJB_REMOTE;
}
}
/**
* @return CachedPermission associated with this invocation, or
* null if not available.
*/
public Object getCachedPermission() {
return invocationInfo == null ? null : invocationInfo.cachedPermission;
}
/**
* @return Returns the ejbCtx.
*/
@Override
public EJBContext getEJBContext() {
return (EJBContext) this.context;
}
public Integer getPreInvokeTxStatus() {
return preInvokeTxStatus;
}
public void setPreInvokeTxStatus(Integer txStatus) {
// Can be null, which means preInvokeTxStatus is no longer applicable.
preInvokeTxStatus = txStatus;
}
public java.util.concurrent.locks.Lock getCMCLock() {
return cmcLock;
}
public void setCMCLock(java.util.concurrent.locks.Lock l) {
cmcLock = l;
}
public boolean holdingSFSBSerializedLock() {
return this.holdingSFSBSerializedLock;
}
public void setHoldingSFSBSerializedLock(boolean flag) {
holdingSFSBSerializedLock = flag;
}
@Override
public Object getTransactionOperationsManager() {
return transactionOperationsManager;
}
public void setTransactionOperationsManager(TransactionOperationsManager transactionOperationsManager) {
// Note: clone() clears transactionOperationsManager so that, be default, cloned invocations
// doesn't enforce Transaction Operations checks.
this.transactionOperationsManager = transactionOperationsManager;
}
/**
* Called by the UserTransaction implementation to verify
* access to the UserTransaction methods.
*/
@Override
public boolean userTransactionMethodsAllowed() {
return ((Container) container).userTransactionMethodsAllowed(this);
}
/**
* Called by the UserTransaction lookup to verify
* access to the UserTransaction itself.
*/
@Override
public void userTransactionLookupAllowed() throws NameNotFoundException {
((BaseContainer) container).checkUserTransactionLookup(this);
}
/**
* Called by the UserTransaction when transaction is started.
*/
@Override
public void doAfterUtxBegin() {
((Container) container).doAfterBegin(this);
}
public InterceptorManager.InterceptorChain getInterceptorChain() {
return (invocationInfo == null) ? null : invocationInfo.interceptorChain;
}
/**
* @return Returns the bean instance.
*/
@Override
public Object getTarget() {
return this.ejb;
}
/**
* @return Returns the timer instance.
*/
@Override
public Object getTimer() {
return timer;
}
/**
* @return For AroundInvoke/AroundTimeout methods, returns the bean class
* method being invoked. For lifecycle callback methods,
* returns null.
*/
@Override
public Method getMethod() {
return getBeanMethod();
}
public Method getBeanMethod() {
return this.beanMethod;
}
@Override
public Constructor getConstructor() {
return null;
}
/**
* @return Returns the parameters that will be used to invoke
* the business method. If setParameters has been called,
* getParameters() returns the values to which the parameters
* have been set.
*/
@Override
public Object[] getParameters() {
return this.methodParams;
}
/**
* Set the parameters that will be used to invoke the business method.
*
*/
@Override
public void setParameters(Object[] params) {
InterceptorUtil.checkSetParameters(params, getMethod());
this.methodParams = params;
}
/**
* Method takes Object to decouple {@link EJBInvocation} interface
* from jaxws (which isn't available in all profiles).
*/
@Override
public void setWebServiceContext(Object webServiceContext) {
// shouldn't be necessary, but to be safe
if (webServiceContext instanceof WebServiceContext) {
this.webServiceContext = (WebServiceContext) webServiceContext;
}
}
/**
* @return Returns the contextMetaData.
*/
@Override
public Map getContextData() {
if (this.contextData == null) {
if (webServiceContext != null) {
this.contextData = webServiceContext.getMessageContext();
} else {
this.contextData = new HashMap<>();
}
}
return contextData;
}
/**
* This is for EJB JAXWS only.
* @param message an unconsumed message
*/
@Override
public void setMessage(T message) {
this.message = message;
}
/**
* This is for EJB JAXWS only.
* @return the JAXWS message
*/
@Override
public Object getMessage() {
return this.message;
}
/**
* This is for EJB JAXWS only.
*/
public SOAPMessage getSOAPMessage() {
if (message != null && soapMessage == null) {
try {
//FIXME: soapMessage = message.readAsSOAPMessage();
soapMessage = (SOAPMessage) message;
} catch(Exception e) {
throw new RuntimeException(e);
}
//message consumed, set it to null
message = null;
}
return soapMessage;
}
@Override
public Object proceed() throws Exception {
try {
//TODO: Internal error if getInterceptorChain() is null
interceptorIndex++;
return getInterceptorChain().invokeNext(interceptorIndex, this);
} catch (Exception ex) {
throw ex;
} catch (Error error) {
throw error;
} catch (Throwable t) {
// This shouldn't be possible since we specifically catch
// Exception and Error before this, but ...
throw new RuntimeException(t);
} finally {
interceptorIndex--;
}
}
/**
* Print most useful fields. Don't do all of them (yet) since there
* are a large number.
*/
@Override
public String toString() {
StringBuilder sbuf = new StringBuilder();
sbuf.append("EjbInvocation ");
sbuf.append("componentId="+getComponentId());
sbuf.append(",isLocal="+isLocal);
sbuf.append(",isRemote="+isRemote);
sbuf.append(",isBusinessInterface="+isBusinessInterface);
sbuf.append(",isWebService="+isWebService);
sbuf.append(",isMessageDriven="+isMessageDriven);
sbuf.append(",isHome="+isHome);
sbuf.append(",clientInterface="+clientInterface);
sbuf.append(",method="+method);
sbuf.append(",ejb="+ejb);
sbuf.append(",exception="+exception);
sbuf.append(",exceptionFromBeanMethod="+exceptionFromBeanMethod);
sbuf.append(",invId="+invId);
sbuf.append(",wasCancelCalled="+wasCancelCalled);
sbuf.append(",yetToSubmitStatus="+yetToSubmitStatus);
return sbuf.toString();
}
// Implementation of AroundInvokeContext
@Override
public Object[] getInterceptorInstances() {
return ((EJBContextImpl)context).getInterceptorInstances();
}
@Override
public Object invokeBeanMethod() throws Throwable {
return ((BaseContainer) container).invokeBeanMethod(this);
}
public com.sun.enterprise.security.SecurityManager getEjbSecurityManager() {
return ((BaseContainer)container).getSecurityManager();
}
@Override
public boolean isAWebService() {
return this.isWebService;
}
@Override
public Object[] getMethodParams() {
return this.methodParams;
}
@Override
public boolean authorizeWebService(Method m) throws Exception {
if (!isAWebService()) {
setWebServiceMethod(null);
return true;
}
final Exception ie = authorizeWebServiceAndSetMethod(m);
if (ie == null) {
return true;
}
exception = ie;
throw ie;
}
private Exception authorizeWebServiceAndSetMethod(Method m) {
try {
this.method = m;
if (((com.sun.ejb.Container) container).authorize(this)) {
// Record the method on which the successful
// authorization check was performed.
setWebServiceMethod(m);
return null;
}
return new Exception("Client not authorized for invocation of method {" + method + "}");
} catch (Exception e) {
String errorMsg = "Error unmarshalling method {" + method + "} for ejb ";
// note: this exception is undeclared, but catched!
return new UnmarshalException(errorMsg, e);
}
}
/**
* @return true if the SecurityManager reports that the caller is in role
*/
@Override
public boolean isCallerInRole(String role) {
return getEjbSecurityManager().isCallerInRole(role);
}
public void setWebServiceMethod(Method method) {
webServiceMethod = method;
}
@Override
public Method getWebServiceMethod() {
return webServiceMethod;
}
@Override
public ResourceHandler getResourceHandler() {
ResourceHandler rh = super.getResourceHandler();
if (rh == null) {
rh = context;
}
return rh;
}
public boolean isContainerStartsTx() {
return containerStartsTx;
}
public void setContainerStartsTx(boolean containerStartsTx) {
this.containerStartsTx = containerStartsTx;
}
/**
* Checks if the client interface is not null and is assignable to at least one of classes
* in parameter.
*
* @param classes must not be null
* @return true if the client interface is assignable to at least one of classes in parameter
*/
public boolean isClientInterfaceAssignableToOneOf(final Class... classes) {
Objects.requireNonNull(classes, "classes");
if (this.clientInterface == null) {
return false;
}
final Predicate> predicate = c -> c.isAssignableFrom(this.clientInterface);
return Arrays.stream(classes).anyMatch(predicate);
}
}
