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package org.glassfish.enterprise.iiop.api;
import javax.inject.Inject;
import javax.inject.Provider;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.ServiceLocator;
import org.omg.CORBA.ORB;
import org.omg.PortableInterceptor.ServerRequestInfo;
import org.glassfish.api.admin.ProcessEnvironment;
import org.glassfish.api.naming.GlassfishNamingManager;
import org.glassfish.internal.api.ORBLocator;
import java.util.Properties;
import java.rmi.Remote;
import java.nio.channels.SelectableChannel;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.api.event.Events;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.api.event.EventListener;
import com.sun.logging.LogDomains;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class exposes any orb/iiop functionality needed by modules in the app server.
* This prevents modules from needing any direct dependencies on the orb-iiop module.
* @author Mahesh Kannan
* Date: Jan 17, 2009
*/
@Service
public class GlassFishORBHelper implements PostConstruct, ORBLocator {
@Inject
private ServiceLocator services;
@Inject
private ProcessEnvironment processEnv;
private static final Logger _logger =
LogDomains.getLogger(GlassFishORBHelper.class, LogDomains.CORBA_LOGGER);
private volatile ORB orb = null ;
private ProtocolManager protocolManager = null ;
private ORBLazyServiceInitializer lazyServiceInitializer;
private SelectableChannelDelegate selectableChannelDelegate;
@Inject
Provider<ProtocolManager> protocolManagerProvider;
@Inject
Provider<GlassfishNamingManager> glassfishNamingManagerProvider;
@Inject
private Provider<Events> eventsProvider;
//@Inject
private GlassFishORBFactory orbFactory;
public void postConstruct() {
orbFactory = services.getService(GlassFishORBFactory.class);
}
public void onShutdown() {
_logger.log(Level.FINE, ("ORB Shutdown started"));
orb.destroy();
}
public synchronized void setORB( ORB orb ) {
this.orb = orb ;
if (orb != null) {
EventListener glassfishEventListener = new org.glassfish.api.event.EventListener() {
public void event(org.glassfish.api.event.EventListener.Event event) {
if (event.is(EventTypes.SERVER_SHUTDOWN)) {
onShutdown();
}
}
};
eventsProvider.get().register(glassfishEventListener);
}
}
/**
* Get or create the default orb. This can be called for any process type. However,
* protocol manager and CosNaming initialization only take place for the Server.
*/
public ORB getORB() {
// Use a volatile double-checked locking idiom here so that we can publish
// a partly-initialized ORB early, so that lazy init can come into getORB()
// and allow an invocation to the transport to complete.
if (orb == null) {
synchronized( this ) {
if (orb == null) {
try {
final boolean isServer = processEnv.getProcessType().isServer() ;
Properties props = new Properties();
props.setProperty( GlassFishORBFactory.ENV_IS_SERVER_PROPERTY,
Boolean.valueOf( isServer ).toString() ) ;
// Create orb and make it visible. This will allow
// loopback calls to getORB() from
// portable interceptors activated as a side-effect of the
// remaining initialization. If it's a
// server, there's a small time window during which the
// ProtocolManager won't be available. Any callbacks that
// result from the protocol manager initialization itself
// cannot depend on having access to the protocol manager.
orb = orbFactory.createORB(props);
if (isServer) {
if (protocolManager == null) {
ProtocolManager tempProtocolManager =
protocolManagerProvider.get();
tempProtocolManager.initialize(orb);
// Move startup of naming to PEORBConfigurator so it runs
// before interceptors.
// tempProtocolManager.initializeNaming();
tempProtocolManager.initializePOAs();
// Now make protocol manager visible.
protocolManager = tempProtocolManager;
GlassfishNamingManager namingManager =
glassfishNamingManagerProvider.get();
Remote remoteSerialProvider =
namingManager.initializeRemoteNamingSupport(orb);
protocolManager.initializeRemoteNaming(remoteSerialProvider);
}
}
} catch(Exception e) {
orb = null;
protocolManager = null;
throw new RuntimeException("Orb initialization erorr", e);
}
}
}
}
return orb;
}
public void setSelectableChannelDelegate(SelectableChannelDelegate d) {
selectableChannelDelegate = d;
}
public SelectableChannelDelegate getSelectableChannelDelegate() {
return this.selectableChannelDelegate;
}
public static interface SelectableChannelDelegate {
public void handleRequest(SelectableChannel channel);
}
/**
* Get a protocol manager for creating remote references. ProtocolManager is only
* available in the server. Otherwise, this method returns null.
*
* If it's the server and the orb hasn't been already created, calling
* this method has the side effect of creating the orb.
*/
public ProtocolManager getProtocolManager() {
if( !processEnv.getProcessType().isServer() ) {
return null;
}
synchronized (this) {
if (protocolManager == null) {
getORB();
}
return protocolManager;
}
}
public boolean isORBInitialized() {
return (orb != null);
}
public int getOTSPolicyType() {
return orbFactory.getOTSPolicyType();
}
public int getCSIv2PolicyType() {
return orbFactory.getCSIv2PolicyType();
}
public Properties getCSIv2Props() {
return orbFactory.getCSIv2Props();
}
public void setCSIv2Prop(String name, String value) {
orbFactory.setCSIv2Prop(name, value);
}
public int getORBInitialPort() {
return orbFactory.getORBInitialPort();
}
public String getORBHost(ORB orb) {
return orbFactory.getORBHost(orb);
}
public int getORBPort(ORB orb) {
return orbFactory.getORBPort(orb);
}
public boolean isEjbCall(ServerRequestInfo sri) {
return orbFactory.isEjbCall(sri);
}
}