| 1 |
//---PACKAGE DECLARATION--- |
| 2 |
|
| 3 |
//---IMPORTS--- |
| 4 |
import core.*; |
| 5 |
import org.omg.CORBA.*; |
| 6 |
import org.omg.CosNaming.*; |
| 7 |
import org.omg.PortableServer.*; |
| 8 |
|
| 9 |
/** |
| 10 |
* The main class for the CORE of the I-Scream system. |
| 11 |
* The main method of this class initialises the ORB |
| 12 |
* and then starts and registers CORE I-Scream services |
| 13 |
* with the name service. At which point it essentially |
| 14 |
* finishs its role and the started services continue to |
| 15 |
* serve requests from the I-Scream system. |
| 16 |
* |
| 17 |
* @author $Author: ajm4 $ |
| 18 |
* @version $Id: TemplateClass.java,v 1.2 2000/11/08 18:18:07 ajm4 Exp $ |
| 19 |
*/ |
| 20 |
class Core { |
| 21 |
|
| 22 |
//---FINAL ATTRIBUTES--- |
| 23 |
|
| 24 |
/** |
| 25 |
* The current CVS revision of this class |
| 26 |
*/ |
| 27 |
public static final String REVISION = "$Revision: 1.2 $"; |
| 28 |
|
| 29 |
//---STATIC METHODS--- |
| 30 |
|
| 31 |
/** |
| 32 |
* The main method which starts the CORE |
| 33 |
* Currently the args are passed direct to the ORB, |
| 34 |
* so any ORB paramaters could go there. |
| 35 |
* |
| 36 |
* @param args the command line arguments |
| 37 |
*/ |
| 38 |
public static void main(String[] args) { |
| 39 |
System.out.println("I-Scream CORE:" + REVISION + " - coming up."); |
| 40 |
try { |
| 41 |
// start the ORB |
| 42 |
ORB orb = ORB.init(args, null); |
| 43 |
|
| 44 |
// get the Root POA |
| 45 |
org.omg.CORBA.Object objRef = orb.resolve_initial_references("RootPOA"); |
| 46 |
POA poa = POAHelper.narrow(objRef); |
| 47 |
|
| 48 |
// get a hook to the name service |
| 49 |
objRef = orb.resolve_initial_references("NameService"); |
| 50 |
NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef); |
| 51 |
|
| 52 |
// get a ref to our servers |
| 53 |
// first the Configurator |
| 54 |
ConfiguratorServant configuratorRef = new ConfiguratorServant(poa); |
| 55 |
|
| 56 |
// then the logger |
| 57 |
// **** PUT THE LOGGER HERE TIM **** |
| 58 |
|
| 59 |
// advertise them to the naming context |
| 60 |
// Configurator |
| 61 |
objRef = poa.servant_to_reference(configuratorRef); |
| 62 |
ncRef.bind(ncRef.to_name("iscream.Configurator"), objRef); |
| 63 |
|
| 64 |
// Logger |
| 65 |
// **** REGISTER THE LOGGER WITH THE NAME SERVICE TIM **** |
| 66 |
|
| 67 |
// start the POA off |
| 68 |
poa.the_POAManager().activate(); |
| 69 |
|
| 70 |
|
| 71 |
System.out.println("I-Scream CORE:" + REVISION + " - started."); |
| 72 |
|
| 73 |
// now we are running, we just need to serve |
| 74 |
// so we ask the orb to block for us until it has finished |
| 75 |
orb.run(); |
| 76 |
|
| 77 |
// if there was a problem then we'll get to here |
| 78 |
} catch (Exception e) { |
| 79 |
|
| 80 |
// there is already another CORE of the same name registered |
| 81 |
if ( e instanceof org.omg.CosNaming.NamingContextPackage.AlreadyBound) { |
| 82 |
System.err.println("ERROR: Another I-Scream CORE is already registered under the same name."); |
| 83 |
|
| 84 |
// otherwise we don't know what happened |
| 85 |
// so print the error and do a stack trace |
| 86 |
} else { |
| 87 |
System.err.println("CORE ERROR: " + e); |
| 88 |
e.printStackTrace(System.out); |
| 89 |
} |
| 90 |
} |
| 91 |
} |
| 92 |
|
| 93 |
//---CONSTRUCTORS--- |
| 94 |
|
| 95 |
//---PUBLIC METHODS--- |
| 96 |
|
| 97 |
//---PRIVATE METHODS--- |
| 98 |
|
| 99 |
//---ACCESSOR/MUTATOR METHODS--- |
| 100 |
|
| 101 |
//---ATTRIBUTES--- |
| 102 |
|
| 103 |
//---STATIC ATTRIBUTES--- |
| 104 |
|
| 105 |
} |
