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// Portions Copyright [2016] [Payara Foundation]
package com.sun.enterprise.connectors.inbound;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.inject.Inject;
import javax.inject.Provider;
import javax.resource.spi.ActivationSpec;
import javax.transaction.xa.XAResource;
import com.sun.appserv.connectors.internal.api.ConnectorConstants;
import com.sun.appserv.connectors.internal.api.ConnectorRuntime;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import com.sun.enterprise.config.serverbeans.Application;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.config.serverbeans.ConfigBeansUtilities;
import com.sun.enterprise.connectors.ConnectorRegistry;
import com.sun.enterprise.connectors.service.ConnectorAdminServiceUtils;
import com.sun.enterprise.connectors.util.RARUtils;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.connectors.util.SetMethodAction;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbMessageBeanDescriptor;
import com.sun.enterprise.transaction.spi.RecoveryResourceHandler;
import com.sun.logging.LogDomains;
import org.glassfish.internal.data.ApplicationInfo;
import org.glassfish.internal.data.ApplicationRegistry;
import org.jvnet.hk2.annotations.Service;
/**
* Recovery handler for Inbound transactions
*
* @author Jagadish Ramu
*/
@Service
public class InboundRecoveryHandler implements RecoveryResourceHandler {
@Inject
private Applications deployedApplications;
@Inject
private ApplicationRegistry appsRegistry;
@Inject
private Provider connectorRuntimeProvider;
@Inject
private ConfigBeansUtilities configBeansUtilities;
private static Logger _logger = LogDomains.getLogger(InboundRecoveryHandler.class, LogDomains.RSR_LOGGER);
/**
* {@inheritDoc}
*/
public void loadXAResourcesAndItsConnections(List xaresList, List connList) {
Vector xaResources = new Vector();
recoverInboundTransactions(xaResources);
}
/**
* {@inheritDoc}
*/
public void closeConnections(List connList) {
// do nothing
}
private void recoverInboundTransactions(List xaresList) {
List applications = deployedApplications.getApplications();
try {
_logger.log(Level.INFO, "Recovery of Inbound Transactions started.");
if (applications.size() == 0) {
_logger.log(Level.FINE, "No applications deployed.");
return;
}
// List of CMT enabled MDB descriptors on the application server instance.
List xaEnabledMDBList = new ArrayList();
//Done so as to initialize connectors-runtime before loading inbound active RA. need a better way ?
ConnectorRuntime cr = connectorRuntimeProvider.get();
for (Application application : applications) {
Vector ejbDescVec = getEjbDescriptors(application, appsRegistry);
for (int j = 0; j < ejbDescVec.size(); j++) {
EjbDescriptor desc = (EjbDescriptor) ejbDescVec.elementAt(j);
// If EjbDescriptor is an instance of a CMT enabled MDB descriptor,
// add it to the list of xaEnabledMDBList.
if (desc instanceof EjbMessageBeanDescriptor &&
desc.getTransactionType().
equals(EjbDescriptor.CONTAINER_TRANSACTION_TYPE)) {
xaEnabledMDBList.add(desc);
_logger.log(Level.FINE, "Found a CMT MDB: "
+ desc.getEjbClassName());
}
}
}
if (xaEnabledMDBList.size() == 0) {
_logger.log(Level.FINE, "Found no CMT MDBs in all applications");
return;
}
ConnectorRegistry creg = ConnectorRegistry.getInstance();
// for each RA (key in the map) get the list (value) of MDB Descriptors
Map> mappings = createRAEjbMapping(xaEnabledMDBList);
//For each RA
for (Map.Entry entry : mappings.entrySet()) {
String raMid = (String) entry.getKey();
List respectiveDesc = mappings.get(raMid);
try {
createActiveResourceAdapter(raMid);
} catch (Exception ex) {
_logger.log(Level.SEVERE, "error.loading.connector.resources.during.recovery", raMid);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, ex.toString(), ex);
}
}
ActiveInboundResourceAdapter activeInboundRA = (ActiveInboundResourceAdapter) creg
.getActiveResourceAdapter(raMid);
//assert activeInboundRA instanceof ActiveInboundResourceAdapter;
boolean isSystemJmsRA = false;
if (ConnectorsUtil.isJMSRA(activeInboundRA.getModuleName())) {
isSystemJmsRA = true;
}
javax.resource.spi.ResourceAdapter resourceAdapter = activeInboundRA
.getResourceAdapter();
// activationSpecList represents the ActivationSpec[] that would be
// sent to the getXAResources() method.
ArrayList activationSpecList = new ArrayList();
try {
for (int i = 0; i < respectiveDesc.size(); i++) {
try {
// Get a MessageBeanDescriptor from respectiveDesc ArrayList
EjbMessageBeanDescriptor descriptor =
(EjbMessageBeanDescriptor) respectiveDesc.get(i);
// A descriptor using 1.3 System JMS RA style properties needs
// to be updated J2EE 1.4 style props.
if (isSystemJmsRA) {
//XXX: Find out the pool descriptor corres to MDB and update
//MDBRuntimeInfo with that.
activeInboundRA.updateMDBRuntimeInfo(descriptor, null);
}
// Get the ActivationConfig Properties from the MDB Descriptor
Set activationConfigProps =
RARUtils.getMergedActivationConfigProperties(descriptor);
// get message listener type
String msgListenerType = descriptor.getMessageListenerType();
// start resource adapter and get ActivationSpec class for
// the given message listener type from the ConnectorRuntime
ActivationSpec aspec = (ActivationSpec) (Class.forName(
cr.getActivationSpecClass(raMid,
msgListenerType), false,
resourceAdapter.getClass().getClassLoader()).newInstance());
aspec.setResourceAdapter(resourceAdapter);
// Populate ActivationSpec class with ActivationConfig properties
SetMethodAction sma =
new SetMethodAction(aspec, activationConfigProps);
sma.run();
activationSpecList.add(aspec);
} catch (Exception e) {
_logger.log(Level.WARNING, "error.creating.activationspec", e.getMessage());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, e.toString(), e);
}
}
}
// Get XA resources from RA.
ActivationSpec[] activationSpecArray = activationSpecList.toArray(new ActivationSpec[activationSpecList.size()]);
XAResource[] xar = resourceAdapter.getXAResources(activationSpecArray);
// Add the resources to the xaresList which is used by the RecoveryManager
if(xar != null){
for (int p = 0; p < xar.length; p++) {
xaresList.add(xar[p]);
}
}
// Catch UnsupportedOperationException if a RA does not support XA
// which is fine.
} catch (UnsupportedOperationException uoex) {
_logger.log(Level.FINE, uoex.getMessage());
// otherwise catch the unexpected exception
} catch (Exception e) {
_logger.log(Level.SEVERE, "exception.during.inbound.resource.acqusition", e);
}
}
} catch (Exception e) {
_logger.log(Level.SEVERE,"exception.during.inbound.recovery", e);
}
}
private Vector getEjbDescriptors(Application application, ApplicationRegistry appsRegistry) {
Vector ejbDescriptors = new Vector();
if(ResourcesUtil.createInstance().isEnabled(application)){
ApplicationInfo appInfo = appsRegistry.get(application.getName());
// non java-ee apps do not have ejbs, and they dont't have Application entry, leading to NPE
if(appInfo != null && appInfo.isJavaEEApp()){
com.sun.enterprise.deployment.Application app =
appInfo.getMetaData(com.sun.enterprise.deployment.Application.class);
Set descriptors = app.getBundleDescriptors();
for (BundleDescriptor descriptor : descriptors) {
if (descriptor instanceof EjbBundleDescriptor) {
EjbBundleDescriptor ejbBundleDescriptor = (EjbBundleDescriptor) descriptor;
Set ejbDescriptorsSet = ejbBundleDescriptor.getEjbs();
for (EjbDescriptor ejbDescriptor : ejbDescriptorsSet) {
ejbDescriptors.add(ejbDescriptor);
}
}
}
}else{
//application is enabled, but still not found in app-registry
_logger.log(Level.WARNING, "application.not.started.skipping.recovery", application.getName());
}
}
return ejbDescriptors;
}
private Map> createRAEjbMapping(List ejbDescriptors) {
Map> map = new HashMap>();
for (EjbDescriptor ejbDescriptor : ejbDescriptors) {
List ejbmdbd = new ArrayList();
String ramid =
((EjbMessageBeanDescriptor) ejbDescriptor).getResourceAdapterMid();
if ((ramid == null) || (ramid.equalsIgnoreCase(""))) {
ramid = ConnectorConstants.DEFAULT_JMS_ADAPTER;
}
// If Hashtable contains the RAMid key, get the list of MDB descriptors
// and add the current MDB Descriptor (list[i]) to the list and put the
// pair back into hashtable.
// Otherwise, add the RAMid and the current MDB Descriptor to the hashtable
if (map.containsKey(ramid)) {
ejbmdbd = map.get(ramid);
map.remove(ramid);
}
ejbmdbd.add(ejbDescriptor);
map.put(ramid, ejbmdbd);
}
return map;
}
private void createActiveResourceAdapter(String rarModuleName) throws ConnectorRuntimeException {
ConnectorRuntime cr = connectorRuntimeProvider.get();
ConnectorRegistry creg = ConnectorRegistry.getInstance();
if (creg.isRegistered(rarModuleName))
return;
if (ConnectorAdminServiceUtils.isEmbeddedConnectorModule(rarModuleName)) {
cr.createActiveResourceAdapterForEmbeddedRar(rarModuleName);
} else {
String moduleDir ;
if (ConnectorsUtil.belongsToSystemRA(rarModuleName)) {
moduleDir = ConnectorsUtil.getSystemModuleLocation(rarModuleName);
}else{
moduleDir = configBeansUtilities.getLocation(rarModuleName);
}
ClassLoader loader = cr.createConnectorClassLoader(moduleDir, null, rarModuleName);
cr.createActiveResourceAdapter(moduleDir, rarModuleName, loader);
}
}
}