javax.rmi.CORBA.Tie Java Examples

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

public void unregisterTargetsForORB(org.omg.CORBA.ORB orb)
{
    for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); )
    {
        java.lang.Object key = e.nextElement();
        Remote target = (Remote)(key instanceof Tie ? ((Tie)key).getTarget() : key);

        // Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set.
        // We can ignore this because it means the tie is not connected to an ORB.
        try {
            if (orb == getTie(target).orb()) {
                try {
                    unexportObject(target);
                } catch( java.rmi.NoSuchObjectException ex ) {
                    // We neglect this exception if at all if it is
                    // raised. It is not harmful.
                }
            }
        } catch (BAD_OPERATION bad) {
            /* Ignore */
        }
    }
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

/**
 * Registers a target for a tie. Adds the tie to an internal table and calls
 * {@link Tie#setTarget} on the tie object.
 * @param tie the tie to register.
 * @param target the target for the tie.
 */
public void registerTarget(javax.rmi.CORBA.Tie tie, java.rmi.Remote target)
{
    synchronized (exportedServants) {
        // Do we already have this target registered?
        if (lookupTie(target) == null) {
            // No, so register it and set the target...
            exportedServants.put(target,tie);
            tie.setTarget(target);

            // Do we need to instantiate our keep-alive thread?
            if (keepAlive == null) {
                // Yes. Instantiate our keep-alive thread and start
                // it up...
                keepAlive = (KeepAlive)AccessController.doPrivileged(new PrivilegedAction() {
                    public java.lang.Object run() {
                        return new KeepAlive();
                    }
                });
                keepAlive.start();
            }
        }
    }
}
 

/**
 * Registers a target for a tie. Adds the tie to an internal table and calls
 * {@link Tie#setTarget} on the tie object.
 * @param tie the tie to register.
 * @param target the target for the tie.
 */
public void registerTarget(javax.rmi.CORBA.Tie tie, java.rmi.Remote target)
{
    synchronized (exportedServants) {
        // Do we already have this target registered?
        if (lookupTie(target) == null) {
            // No, so register it and set the target...
            exportedServants.put(target,tie);
            tie.setTarget(target);

            // Do we need to instantiate our keep-alive thread?
            if (keepAlive == null) {
                // Yes. Instantiate our keep-alive thread and start
                // it up...
                keepAlive = (KeepAlive)AccessController.doPrivileged(new PrivilegedAction() {
                    public java.lang.Object run() {
                        return new KeepAlive();
                    }
                });
                keepAlive.start();
            }
        }
    }
}
 

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

public void unregisterTargetsForORB(org.omg.CORBA.ORB orb)
{
    for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); )
    {
        java.lang.Object key = e.nextElement();
        Remote target = (Remote)(key instanceof Tie ? ((Tie)key).getTarget() : key);

        // Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set.
        // We can ignore this because it means the tie is not connected to an ORB.
        try {
            if (orb == getTie(target).orb()) {
                try {
                    unexportObject(target);
                } catch( java.rmi.NoSuchObjectException ex ) {
                    // We neglect this exception if at all if it is
                    // raised. It is not harmful.
                }
            }
        } catch (BAD_OPERATION bad) {
            /* Ignore */
        }
    }
}
 

/**
 * Registers a target for a tie. Adds the tie to an internal table and calls
 * {@link Tie#setTarget} on the tie object.
 * @param tie the tie to register.
 * @param target the target for the tie.
 */
public void registerTarget(javax.rmi.CORBA.Tie tie, java.rmi.Remote target)
{
    synchronized (exportedServants) {
        // Do we already have this target registered?
        if (lookupTie(target) == null) {
            // No, so register it and set the target...
            exportedServants.put(target,tie);
            tie.setTarget(target);

            // Do we need to instantiate our keep-alive thread?
            if (keepAlive == null) {
                // Yes. Instantiate our keep-alive thread and start
                // it up...
                keepAlive = (KeepAlive)AccessController.doPrivileged(new PrivilegedAction() {
                    public java.lang.Object run() {
                        return new KeepAlive();
                    }
                });
                keepAlive.start();
            }
        }
    }
}
 

public void unregisterTargetsForORB(org.omg.CORBA.ORB orb)
{
    for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); )
    {
        java.lang.Object key = e.nextElement();
        Remote target = (Remote)(key instanceof Tie ? ((Tie)key).getTarget() : key);

        // Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set.
        // We can ignore this because it means the tie is not connected to an ORB.
        try {
            if (orb == getTie(target).orb()) {
                try {
                    unexportObject(target);
                } catch( java.rmi.NoSuchObjectException ex ) {
                    // We neglect this exception if at all if it is
                    // raised. It is not harmful.
                }
            }
        } catch (BAD_OPERATION bad) {
            /* Ignore */
        }
    }
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

public void unregisterTargetsForORB(org.omg.CORBA.ORB orb)
{
    for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); )
    {
        java.lang.Object key = e.nextElement();
        Remote target = (Remote)(key instanceof Tie ? ((Tie)key).getTarget() : key);

        // Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set.
        // We can ignore this because it means the tie is not connected to an ORB.
        try {
            if (orb == getTie(target).orb()) {
                try {
                    unexportObject(target);
                } catch( java.rmi.NoSuchObjectException ex ) {
                    // We neglect this exception if at all if it is
                    // raised. It is not harmful.
                }
            }
        } catch (BAD_OPERATION bad) {
            /* Ignore */
        }
    }
}
 

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

/** Given any Tie, return the corresponding object refernce, activating
 * the Servant if necessary.
 */
public static org.omg.CORBA.Object activateTie( Tie tie )
{
    /** Any implementation of Tie should be either a Servant or an ObjectImpl,
     * depending on which style of code generation is used.  rmic -iiop by
     * default results in an ObjectImpl-based Tie, while rmic -iiop -poa
     * results in a Servant-based Tie.  Dynamic RMI-IIOP also uses Servant-based
     * Ties (see impl.presentation.rmi.ReflectiveTie).
     */
    if (tie instanceof ObjectImpl) {
        return tie.thisObject() ;
    } else if (tie instanceof Servant) {
        Servant servant = (Servant)tie ;
        return activateServant( servant ) ;
    } else {
        throw wrapper.badActivateTieCall() ;
    }
}
 

public static void purgeStubForTie (Tie tie) {
    StubEntry entry;
    synchronized (tieToStubCache) {
        entry = (StubEntry)tieToStubCache.remove(tie);
    }
    if (entry != null) {
        synchronized (stubToTieCache) {
            stubToTieCache.remove(entry.stub);
        }
    }
}
 

/**
 * Returns a stub for the given server object.
 * @param obj the server object for which a stub is required. Must either be a subclass
 * of PortableRemoteObject or have been previously the target of a call to
 * {@link #exportObject}.
 * @return the most derived stub for the object.
 * @exception NoSuchObjectException if a stub cannot be located for the given server object.
 */
public Remote toStub (Remote obj)
    throws NoSuchObjectException
{
    Remote result = null;
    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    // If the class is already an IIOP stub then return it.
    if (StubAdapter.isStub( obj )) {
        return obj;
    }

    // If the class is already a JRMP stub then return it.
    if (obj instanceof java.rmi.server.RemoteStub) {
        return obj;
    }

    // Has it been exported to IIOP?
    Tie theTie = Util.getTie(obj);

    if (theTie != null) {
        result = Utility.loadStub(theTie,null,null,true);
    } else {
        if (Utility.loadTie(obj) == null) {
            result = java.rmi.server.RemoteObject.toStub(obj);
        }
    }

    if (result == null) {
        throw new NoSuchObjectException("object not exported");
    }

    return result;
}
 

public void setServant(Object servant)
{
    servantContainer = servant ;
    if (servant instanceof Tie)
        this.servant = ((Tie)servant).getTarget() ;
    else
        this.servant = servant;
}
 

public static void purgeTieAndServant (Tie tie) {
    synchronized (tieCache) {
        Object target = tie.getTarget();
        if (target != null)
            tieCache.remove(target);
    }
}
 

/**
 * Registers a target for a tie. Adds the tie to an internal table and calls
 * {@link Tie#setTarget} on the tie object.
 * @param tie the tie to register.
 * @param target the target for the tie.
 */
public static void registerTarget(javax.rmi.CORBA.Tie tie,
                                  java.rmi.Remote target) {

    if (utilDelegate != null) {
        utilDelegate.registerTarget(tie, target);
    }

}
 

/** This also gets the delegate from a Servant by
 * using Servant._this_object()
 */
public static Delegate getDelegate( Object stub )
{
    if (stub instanceof DynamicStub)
        return ((DynamicStub)stub).getDelegate() ;
    else if (stub instanceof ObjectImpl)
        return ((ObjectImpl)stub)._get_delegate() ;
    else if (stub instanceof Tie) {
        Tie tie = (Tie)stub ;
        org.omg.CORBA.Object ref = activateTie( tie ) ;
        return getDelegate( ref ) ;
    } else
        throw wrapper.getDelegateRequiresStub() ;
}
 

/**
 * Registers a target for a tie. Adds the tie to an internal table and calls
 * {@link Tie#setTarget} on the tie object.
 * @param tie the tie to register.
 * @param target the target for the tie.
 */
public static void registerTarget(javax.rmi.CORBA.Tie tie,
                                  java.rmi.Remote target) {

    if (utilDelegate != null) {
        utilDelegate.registerTarget(tie, target);
    }

}
 

/** This also gets the delegate from a Servant by
 * using Servant._this_object()
 */
public static Delegate getDelegate( Object stub )
{
    if (stub instanceof DynamicStub)
        return ((DynamicStub)stub).getDelegate() ;
    else if (stub instanceof ObjectImpl)
        return ((ObjectImpl)stub)._get_delegate() ;
    else if (stub instanceof Tie) {
        Tie tie = (Tie)stub ;
        org.omg.CORBA.Object ref = activateTie( tie ) ;
        return getDelegate( ref ) ;
    } else
        throw wrapper.getDelegateRequiresStub() ;
}
 

/**
 * Returns the tie (if any) for a given target object.
 * @return the tie or null if no tie is registered for the given target.
 */
public Tie getTie (Remote target)
{
    synchronized (exportedServants) {
        return lookupTie(target);
    }
}
 

public void setServant(Object servant)
{
    servantContainer = servant ;
    if (servant instanceof Tie)
        this.servant = ((Tie)servant).getTarget() ;
    else
        this.servant = servant;
}
 

/**
 * Returns the tie (if any) for a given target object.
 * @return the tie or null if no tie is registered for the given target.
 */
public static Tie getTie (Remote target) {

    if (utilDelegate != null) {
        return utilDelegate.getTie(target);
    }
    return null;
}
 

/**
 * Returns the tie (if any) for a given target object.
 * @return the tie or null if no tie is registered for the given target.
 */
public static Tie getTie (Remote target) {

    if (utilDelegate != null) {
        return utilDelegate.getTie(target);
    }
    return null;
}