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// Portions Copyright [2016] [Payara Foundation]
//----------------------------------------------------------------------------
//
// Module: DefaultTransactionService.java
//
// Description: The JTS TransactionService class.
//
// Product: com.sun.jts.CosTransactions
//
// Author: Simon Holdsworth
//
// Date: June, 1997
//
// Copyright (c): 1995-1997 IBM Corp.
//
// The source code for this program is not published or otherwise divested
// of its trade secrets, irrespective of what has been deposited with the
// U.S. Copyright Office.
//
// This software contains confidential and proprietary information of
// IBM Corp.
//----------------------------------------------------------------------------
package com.sun.jts.CosTransactions;
// Import required classes.
import java.util.*;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.omg.CORBA.*;
import org.omg.CORBA.ORBPackage.InvalidName;
import org.omg.CosTransactions.*;
import org.omg.CosNaming.*;
import org.omg.PortableServer.*;
import org.omg.CORBA.LocalObject;
import com.sun.corba.ee.spi.presentation.rmi.StubAdapter;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
/**The DefaultTransactionService is our implementation of the
* com.sun.CosTransactions.TransactionService class.
* <p>
* The TransactionService abstract class describes the packaging of a
* Java Transaction Service implementation. Each implementation should be
* packaged as a subclass of the TransactionService class.
*
* @version 0.01
*
* @author Simon Holdsworth, IBM Corporation
* @author mvatkina
*
* @see
*/
//----------------------------------------------------------------------------// CHANGE HISTORY
//
// Version By Change Description
// 0.01 SAJH Initial implementation.
//-----------------------------------------------------------------------------
public class DefaultTransactionService implements ProxyChecker {
private static CurrentImpl currentInstance = null;
private static TransactionFactoryImpl factoryInstance = null;
//private static AdministrationImpl adminInstance = null;
private static NamingContext namingContext = null;
private static ORB orb = null;
private static boolean recoverable = false;
private static boolean poasCreated = false;
private static boolean active = false;
/*
Logger to log transaction messages
*/
static Logger _logger = LogDomains.getLogger(DefaultTransactionService.class, LogDomains.TRANSACTION_LOGGER);
public static final String JTS_SERVER_ID = "com.sun.jts.persistentServerId"; /* FROZEN */
public static final String JTS_XA_SERVER_NAME = "com.sun.jts.xa-servername";
/**Default constructor.
*
* @param
*
* @return
*
* @see
*/
public DefaultTransactionService() {
// We do not set up the Current instance until we know the ORB.
// This method is not traced as trace is not configured until the init method
// is called.
}
/**
* @return true, if transaction manager is available.
*/
public static boolean isActive() {
return active;
}
/**Obtain the implementation of the Current interface provided
* by the transaction service implementation.
*
* @param
*
* @return An instance of the Current class
*
* @see
*/
public org.omg.CosTransactions.Current get_current() {
org.omg.CosTransactions.Current result = null;
result = (org.omg.CosTransactions.Current)currentInstance;
return result;
}
/**Request the transaction service to identify itself with a communication
* manager.
* <p>
* Multiple communication managers may request a transaction
* service to identify itself.
*
* @param orb The ORB to be used for communication.
* @param ident The TSIdentification object with which the Sender and
* Receiver must be registered.
* @param properties The Properties with which the ORB was initialised.
*
* @return
*
* @see
*/
public void identify_ORB(ORB orb,
TSIdentification ident,
Properties properties) {
if( this.orb == null ) {
this.orb = orb;
Configuration.setORB(orb);
Configuration.setProperties(properties);
Configuration.setProxyChecker(this);
}
// We have to wait until this point to trace entry into this method as trace
// is only started by setting the properties in the Configuration class.
// Get the persistent server id of the server. If it does not represent a
// transient server, then the server is recoverable.
if( !poasCreated ) {
setServerName(properties);
// Set up the POA objects for transient and persistent references.
try {
if (orb != null)
createPOAs();
} catch( Exception exc ) {
_logger.log(Level.WARNING,"jts.unexpected_error_when_creating_poa",exc);
throw new INTERNAL(MinorCode.TSCreateFailed,CompletionStatus.COMPLETED_NO);
}
}
// Set up the instance of the Current object now that we know the ORB.
if( currentInstance == null )
try {
currentInstance = new CurrentImpl();
} catch( Exception exc ) {
_logger.log(Level.WARNING,"jts.unexpected_error_when_creating_current",exc);
throw new INTERNAL(MinorCode.TSCreateFailed,CompletionStatus.COMPLETED_NO);
}
// Identify Sender and Receiver objects to the Comm Manager.
if (ident != null)
SenderReceiver.identify(ident);
// If the server is recoverable, create a NamingContext with which to
// register the factory and admin objects.
if( recoverable && namingContext == null )
try {
namingContext = NamingContextHelper.narrow(orb.resolve_initial_references("NameService"/*#Frozen*/));
} catch( InvalidName inexc ) {
// _logger.log(Level.WARNING,"jts.orb_not_running");
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,"jts.orb_not_running");
}
} catch( Exception exc ) {
// _logger.log(Level.WARNING,"jts.orb_not_running");
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,"jts.orb_not_running");
}
}
// Create a TransactionFactory object and register it with the naming service
// if recoverable.
if( factoryInstance == null )
try {
boolean localFactory = true;
TransactionFactory factory = null;
factoryInstance = new TransactionFactoryImpl();
if (localFactory) {
factory = (TransactionFactory) factoryInstance;
} else {
factory = factoryInstance.object();
}
// Since we are instantiating the TransactionFactory object
// locally, we have a local transaction factory.
Configuration.setFactory(factory, /*local factory*/ localFactory);
if (Configuration.isLocalFactory() == false && namingContext != null) {
NameComponent nc = new NameComponent(TransactionFactoryHelper.id(),"");
NameComponent path[] = {nc};
namingContext.rebind(path,factory);
}
// Commented out by TN
//if( !recoverable )
//_logger.log(Level.WARNING,"jts.non_persistent_server");
} catch( Exception exc ) {
_logger.log(Level.WARNING,"jts.cannot_register_with_orb","TransactionFactory");
}
active = true; // transaction manager is alive and available
}
public static void setServerName(Properties properties) {
if( !poasCreated ) {
Configuration.setProperties(properties);
//String serverId = properties.getProperty("com.sun.corba.ee.internal.POA.ORBServerId"/*#Frozen*/);
String serverId = properties.getProperty(JTS_SERVER_ID);
if (serverId == null) {
serverId =
properties.getProperty("com.sun.CORBA.POA.ORBServerId"/*#Frozen*/);
}
if (serverId != null) {
_logger.log(Level.INFO,"jts.startup_msg",serverId);
}
String serverName = "UnknownHost"/*#Frozen*/;
if(properties.getProperty(JTS_XA_SERVER_NAME) != null) {
serverName = properties.getProperty(JTS_XA_SERVER_NAME);
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"DTR: Got serverName from JTS_XA_SERVER_NAME");
} else {
try {
serverName = InetAddress.getLocalHost().getHostName();
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"DTR: Got serverName from InetAddress.getLocalHost().getHostName()");
} catch (UnknownHostException ex) {
}
}
if( serverId != null ) {
Configuration.setServerName(getAdjustedServerName(serverName + "," +
Configuration.getPropertyValue(Configuration.INSTANCE_NAME) +
",P" + serverId/*#Frozen*/), true);
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"DTR: Recoverable Server");
recoverable = true;
} else {
long timestamp = System.currentTimeMillis();
Configuration.setServerName(getAdjustedServerName(serverName +
",T" + String.valueOf(timestamp)/*#Frozen*/), false);
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"DTR: Non-Recoverable Server");
}
}
}
/**Request the transaction service to stop any further transactional activity.
*
* @param immediate Indicates whether to ignore running transactions.
*
* @return
*
* @see
*/
public static void shutdown( boolean immediate ) {
// Remove the admin and factory objects from the naming service.
if( namingContext != null )
try {
NameComponent nc = new NameComponent(TransactionFactoryHelper.id(),"");
NameComponent path[] = {nc};
namingContext.unbind(path);
namingContext = null;
} catch( Exception exc ) {}
// Inform the local TransactionFactory and CurrentImpl classes that no more
// transactional activity may occur.
TransactionFactoryImpl.deactivate();
CurrentImpl.deactivate();
// Shut down the basic transaction services.
currentInstance.shutdown(immediate);
// Discard the factory and current instances.
currentInstance = null;
factoryInstance = null;
//adminInstance = null;
active = false;
}
/**Determines whether the given object is a proxy.
*
* @param obj The potential proxy.
*
* @return Indicates whether the object is a proxy.
*
* @see
*/
public final boolean isProxy( org.omg.CORBA.Object obj ) {
// TN POA changes
return !( StubAdapter.isStub(obj) && StubAdapter.isLocal(obj) );
}
/**Creates the POA objects which are used for objects within the JTS.
*
* @param
*
* @return
*
* @exception Exception The operation failed.
*
* @see
*/
final static void createPOAs()
throws Exception {
POA rootPOA = (POA)orb.resolve_initial_references("RootPOA"/*#Frozen*/);
// Create the POA used for CoordinatorResource objects.
POA CRpoa = null;
if( recoverable ) {
// Create the POA with PERSISTENT and USE_SERVANT_MANAGER policies.
Policy[] tpolicy = new Policy[2];
tpolicy[0] = rootPOA.create_lifespan_policy(LifespanPolicyValue.PERSISTENT);
tpolicy[1] = rootPOA.create_request_processing_policy(RequestProcessingPolicyValue.USE_SERVANT_MANAGER);
CRpoa = rootPOA.create_POA("com.sun.jts.CosTransactions.CoordinatorResourcePOA"/*#Frozen*/, null, tpolicy);
// Register the ServantActivator with the POA, then activate POA.
CoordinatorResourceServantActivator crsa = new CoordinatorResourceServantActivator(orb);
CRpoa.set_servant_manager(crsa);
}
// If the process is not recoverable, then we do not create a persistent POA.
else
CRpoa = rootPOA;
Configuration.setPOA("CoordinatorResource"/*#Frozen*/,CRpoa);
// Create the POA used for RecoveryCoordinator objects.
POA RCpoa = null;
if( recoverable ) {
// Create the POA with PERSISTENT and USE_SERVANT_MANAGER policies.
Policy[] tpolicy = new Policy[2];
tpolicy[0] = rootPOA.create_lifespan_policy(LifespanPolicyValue.PERSISTENT);
tpolicy[1] = rootPOA.create_request_processing_policy(RequestProcessingPolicyValue.USE_SERVANT_MANAGER);
RCpoa = rootPOA.create_POA("com.sun.jts.CosTransactions.RecoveryCoordinatorPOA"/*#Frozen*/, null, tpolicy);
// Register the ServantActivator with the POA, then activate POA.
RecoveryCoordinatorServantActivator rcsa = new RecoveryCoordinatorServantActivator(orb);
RCpoa.set_servant_manager(rcsa);
}
// If the process is not recoverable, then we do not create a persistent POA.
else
RCpoa = rootPOA;
Configuration.setPOA("RecoveryCoordinator"/*#Frozen*/,RCpoa);
// Create the POA used for Coordinator objects.
POA Cpoa = rootPOA.create_POA("CoordinatorPOA"/*#Frozen*/, null, null);
// POA Cpoa = rootPOA;
Configuration.setPOA("Coordinator"/*#Frozen*/,Cpoa);
// Create the POA used for transient objects.
Configuration.setPOA("transient"/*#Frozen*/,rootPOA);
// rootPOA.the_activator(new JTSAdapterActivator(orb));
CRpoa.the_POAManager().activate();
RCpoa.the_POAManager().activate();
Cpoa.the_POAManager().activate();
rootPOA.the_POAManager().activate();
poasCreated = true;
}
public static boolean isORBAvailable() {
return (orb != null);
}
private static String getAdjustedServerName(String originalName) {
String tempServerName = originalName;
if (tempServerName.length() > 56) {
int hc = tempServerName.hashCode();
String newString = Integer.toString(hc);
if (hc < 0) {
newString = newString.replace("-", "R");
}
int hcLength = (56 - newString.length());
tempServerName = tempServerName.substring(0, hcLength) + newString;
}
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE,"DTR: Adjusted serverName " + originalName + " to: " + tempServerName );
return tempServerName;
}
}
/**The RecoveryCoordinatorServantActivator class provides the means to locate
* instances of the RecoveryCoordinator class using the transaction identifier
* and the RecoveryManager.
*
* @version 0.01
*
* @author Simon Holdsworth, IBM Corporation
*
* @see
*/
//----------------------------------------------------------------------------
// CHANGE HISTORY
//
// Version By Change Description
// 0.01 SAJH Initial implementation.
//------------------------------------------------------------------------------
class RecoveryCoordinatorServantActivator extends LocalObject implements ServantActivator {
private ORB orb = null;
/*
* COMMENT(Ram J) The _ids() method needs to be removed/modified
* (along with LocalObjectImpl) once OMG standardizes the local
* object interfaces.
*
* TN - removed ids after switching to LocalObject
*/
// Type-specific CORBA::Object operations
/*
private static String[] __ids = {
"IDL:omg.org/PortableServer/ServantActivator:1.0",
"IDL:omg.org/PortableServer/ServantManager:1.0"
};
public String[] _ids () {
return __ids;
}
*/
/**Creates the servant activator for the RecoveryCoordinator class.
*
* @param orb The ORB.
*
* @return
*
* @see
*/
RecoveryCoordinatorServantActivator(ORB orb) {
this.orb = orb;
}
/**Returns the servant object which corresponds to the given object identity
* for the given POA.
*
* @param oid The object identifier.
* @param adapter The POA.
*
* @return The servant.
*
* @see
*/
public Servant incarnate( byte[] oid, POA adapter )
throws org.omg.PortableServer.ForwardRequest {
Servant servant = new RecoveryCoordinatorImpl(oid);
return servant;
}
/**Does nothing.
*
* @param
*
* @return
*
* @see
*/
public void etherealize( byte[] oid,
POA adapter,
Servant servant,
boolean cleanup_in_progress,
boolean remaining_activations ) {
}
}
/**The CoordinatorResourceServantActivator class provides the means to locate
* instances of the CoordinatorResource class after a failure, using the
* transaction identifier and the RecoveryManager.
*
* @version 0.01
*
* @author Simon Holdsworth, IBM Corporation
*
* @see
*/
//----------------------------------------------------------------------------
// CHANGE HISTORY
//
// Version By Change Description
// 0.01 SAJH Initial implementation.
//------------------------------------------------------------------------------
class CoordinatorResourceServantActivator extends LocalObject implements ServantActivator {
private ORB orb = null;
/*
* COMMENT(Ram J) The _ids() method needs to be removed/modified
* (along with LocalObjectImpl) once OMG standardizes the local
* object interfaces.
*
* TN - removed ids after switching to LocalObject
*/
/*
// Type-specific CORBA::Object operations
private static String[] __ids = {
"IDL:omg.org/PortableServer/ServantActivator:1.0",
"IDL:omg.org/PortableServer/ServantManager:1.0"
};
public String[] _ids () {
return __ids;
}
*/
/**Creates the servant activator for the CoordinatorResource class.
*
* @param orb The ORB.
*
* @return
*
* @see
*/
CoordinatorResourceServantActivator(ORB orb) {
this.orb = orb;
}
/**Returns the servant object which corresponds to the given object identity
* for the given POA.
*
* @param oid The object identifier.
* @param adapter The POA.
*
* @return The servant.
*
* @see
*/
public Servant incarnate( byte[] oid, POA adapter )
throws org.omg.PortableServer.ForwardRequest {
Servant servant = new CoordinatorResourceImpl(oid);
return servant;
}
/**Does nothing.
*
* @param
*
* @return
*
* @see
*/
public void etherealize( byte[] oid,
POA adapter,
Servant servant,
boolean cleanup_in_progress,
boolean remaining_activations ) {
}
}
class JTSAdapterActivator extends LocalObject implements AdapterActivator {
private ORB orb;
/*
* COMMENT(Ram J) The _ids() method needs to be removed/modified
* (along with LocalObjectImpl) once OMG standardizes the local
* object interfaces.
*
* TN - removed ids after switching to LocalObject
*/
/*
// Type-specific CORBA::Object operations
private static String[] __ids = {
"IDL:omg.org/PortableServer/AdapterActivator:1.0"
};
public String[] _ids() {
return __ids;
}
*/
JTSAdapterActivator(ORB orb) {
this.orb = orb;
}
public boolean unknown_adapter(POA parent, String name) {
try {
DefaultTransactionService.createPOAs();
} catch( Exception exc ) {
}
return true;
}
}