Examples with Request org.omg.CORBA.Request used on opensource projects

Example 1 with Request

use of org.omg.CORBA.Request in project ACS by ACS-Community.

the class BACIRemoteAccess method internalInvokeTrivial.

/**
	 * Insert the method's description here.
	 * Creation date: (2.11.2000 18:08:01)
	 * @return si.ijs.acs.objectexplorer.engine.Invocation
	 * @param target si.ijs.acs.objectexplorer.engine.BACI.BACIRemoteNode
	 * @param op si.ijs.acs.objectexplorer.engine.Operation
	 */
private BACIRemoteCall internalInvokeTrivial(BACIRemote target, Operation op, java.lang.Object[] params) {
    if (target.getCORBARef() == null)
        throw new RemoteException("Cannot invoke operation '" + op.getName() + "' on object '" + target.getName() + "' because it is not connected.");
    notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Preparing DII parameters for '" + target.getName() + "." + op.getName() + "()'.");
    java.lang.Object[] allArguments = baciIntrospector.prepareDIIparameters(((BACIOperation) op).getOperationDesc(), params);
    org.omg.CORBA.Object remote = target.getCORBARef();
    OperationDescription desc = ((BACIOperation) op).getOperationDesc();
    if (allArguments.length != desc.parameters.length)
        throw new IllegalStateException("BACI introspector returned an array of values the length of which does not match CORBA parameter list, object = '" + target.getName() + "', operation = '" + op.getName() + "'.");
    StringBuffer buf = new StringBuffer(200);
    for (int i = 0; i < params.length; i++) {
        buf.append("'");
        buf.append(op.getParameterNames()[i]);
        buf.append("' = '");
        buf.append(params[i]);
        buf.append("' ");
    }
    notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Parameters for '" + op.getName() + "': " + buf.toString());
    notifier.reportMessage("Invoking '" + target.getName() + "." + op.getName() + "()', parameters: " + buf.toString());
    /* begin DII stanza */
    Request req = remote._request(op.getName());
    req.set_return_type(desc.result);
    /* set exceptions */
    org.omg.CORBA.ExceptionList exceptions = req.exceptions();
    org.omg.CORBA.ExceptionDescription[] exceptionsDesc = desc.exceptions;
    for (int i = 0; i < exceptionsDesc.length; i++) {
        // TAO IFR bug workaround
        if (exceptionsDesc[i].type.kind().value() != TCKind._tk_except) {
            // System.out.println("--> Invalid user exception kind, fixing...");
            Class c = null;
            String className = null;
            try {
                className = baciIntrospector.IDtoClassName(exceptionsDesc[i].type.id()) + "Helper";
                c = Class.forName(className);
            } catch (Exception e) {
                throw new JavaIDLIntrospectionException("Failed to load class '" + className + "'. Introspection failed on typedef argument: " + e);
            }
            Class[] paramTypes = {};
            java.lang.Object[] paramVals = {};
            try {
                java.lang.Object retVal = c.getMethod("type", paramTypes).invoke(null, paramVals);
                exceptions.add((TypeCode) retVal);
            } catch (Exception e1) {
                throw new JavaIDLIntrospectionException("Dynamic invocation of 'internalInvokeTrivial' failed on a typedef argument. Class instance: " + c.getName() + ". Exception:" + e1);
            }
        } else
            exceptions.add(exceptionsDesc[i].type);
    }
    for (int i = 0; i < allArguments.length; i++) {
        Any argument = orb.create_any();
        argument.type(desc.parameters[i].type);
        if (desc.parameters[i].mode != ParameterMode.PARAM_OUT) {
            argument = baciIntrospector.insertAny(desc.parameters[i].type, argument, allArguments[i]);
        //baciIntrospector.displayAny(argument);
        }
        //org.omg.CORBA.ParameterMode.PARAM_xxx is defined in [0-2] and in org.jacorb.orb.ARG_xxx is defined in [1-3].
        req.arguments().add_value(desc.parameters[i].name, argument, desc.parameters[i].mode.value() + 1);
    }
    // invoke request
    if (desc.mode == OperationMode.OP_ONEWAY) {
        notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Sending oneway request '" + target.getName() + "." + op.getName() + "()'...");
        try {
            req.send_oneway();
            return new BACIRemoteCall(target, (BACIOperation) op, params, null, null);
        } catch (Exception e) {
            notifier.reportError("Exception during oneway remote invocation.", e);
            return new BACIRemoteCall(target, (BACIOperation) op, params, e);
        }
    } else {
        int time = 0;
        boolean errorResponse = false;
        notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Sending deferred request '" + target.getName() + "." + op.getName() + "()'.");
        try {
            req.send_deferred();
            while (!req.poll_response()) {
                try {
                    Thread.sleep(POLL_SLEEP);
                    time += POLL_SLEEP;
                } catch (InterruptedException ie) {
                }
                if (time > POLL_TIMEOUT) {
                    notifier.reportError("Timeout (" + POLL_TIMEOUT + " ms) while polling for response from '" + op.getName() + "' on '" + target.getName() + "'.");
                    return new BACIRemoteCall(target, (BACIOperation) op, params, true);
                }
            }
            // check exception
            checkException(target, req);
            notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Received response for '" + target.getName() + "." + op.getName() + "()'.");
            //	req.get_response();
            Any anyRet = req.return_value();
            java.lang.Object oRet = null;
            if (anyRet != null)
                oRet = baciIntrospector.extractAny(anyRet);
            java.lang.Object[] outs = baciIntrospector.extractOuts(req, desc);
            // check for error-type ACSCompletion-s
            errorResponse = checkFromACSCompletion(oRet);
            for (int i = 0; i < outs.length; i++) errorResponse |= checkFromACSCompletion(outs[i]);
            if (target instanceof Invocation && baciIntrospector.isInvocationDestroyMethod(op.getName()))
                new CBTimer((BACIInvocation) target).start();
            notifier.reportDebug("BACIRemoteAccess::internalInvokeTrivial", "Successfully unpacked response for '" + target.getName() + "." + op.getName() + "()'.");
            BACIRemoteCall remoteCall = new BACIRemoteCall(target, (BACIOperation) op, params, oRet, outs);
            remoteCall.setErrorResponse(errorResponse);
            return remoteCall;
        } catch (Exception e) {
            notifier.reportError("Exception during deferred remote invocation.", e);
            return new BACIRemoteCall(target, (BACIOperation) op, params, e);
        }
    }
/* end DII stanza */
}

Example 2 with Request

use of org.omg.CORBA.Request in project ACS by ACS-Community.

the class BACIRemoteAccess method internalParentConnect.

/**
	 * Insert the method's description here.
	 * Creation date: (2.11.2000 0:35:23)
	 * @param baciNode si.ijs.acs.objectexplorer.engine.BACI.BACIRemoteNode
	 */
private void internalParentConnect(BACIRemoteNode baciNode, boolean doSync) {
    /* we are using the parent to query the object as either an IDL attribute or
			   Java property accessor design pattern (returns Object type, takes no parameters)
		*/
    //	System.out.println("IPC");
    String targetName = null;
    TypeCode retType = null;
    String id = null;
    if (baciNode.getNodeType() == ATTRIBUTE) {
        AttributeDescription ad = (AttributeDescription) baciNode.getUserObject();
        try {
            id = ad.type.id();
        } catch (org.omg.CORBA.TypeCodePackage.BadKind bk) {
            throw new RemoteException("IDL: BadKind thrown on type id lookup for PROPERTY child of the remote node: " + bk);
        }
        targetName = BACIIntrospector.attributeNameToMethodName(ad.name);
        retType = ad.type;
        notifier.reportDebug("BACIRemoteAccess::internalParentConnect", "Obtaining IDL attribute reference for '" + ad.name + "'.");
    } else if (baciNode.getNodeType() == PROPERTY) {
        OperationDescription od = (OperationDescription) baciNode.getUserObject();
        try {
            id = od.result.id();
        } catch (org.omg.CORBA.TypeCodePackage.BadKind bk) {
            throw new RemoteException("IDL: BadKind thrown on type id lookup for PROPERTY child of the remote node: " + bk);
        }
        targetName = od.name;
        retType = od.result;
        notifier.reportDebug("BACIRemoteAccess::internalParentConnect", "Obtaining reference to contained object through property accessor design pattern for '" + od.name + ".");
    } else
        throw new IntrospectionInconsistentException("Devices can contain objects only as IDL attributes or property accessor design patterns. Failed on '" + baciNode + "'.");
    BACIRemoteNode parentNode = (BACIRemoteNode) baciNode.getParent();
    if (parentNode.getCORBARef() == null) {
        parentNode.connect();
        if (parentNode.getCORBARef() == null)
            throw new RemoteException("Child node is accessible although the parent node CORBA reference is null. Failed on '" + baciNode + ".");
    }
    /* begin DII stanza */
    Request req = parentNode.getCORBARef()._request(targetName);
    req.set_return_type(retType);
    notifier.reportDebug("BACIRemoteAccess::internalParentConnect", "Invoking remote call...");
    req.invoke();
    Any returnValue = req.return_value();
    if (returnValue.type().kind() != TCKind.tk_objref)
        throw new IntrospectionInconsistentException("Return type of '" + targetName + "' is not of type object reference, expected object reference because of BACI containment specifications.");
    baciNode.setCORBARef(returnValue.extract_Object());
    //
    baciNode.setIFDesc(getIFDesc(id));
    //
    if (baciNode.getCORBARef() != null)
        notifier.reportDebug("BACIRemoteAccess::internalParentConnect", "Connection to contained object OK.");
    else
        notifier.reportError("Reference returned when resolving contained object '" + targetName + "' is null.");
/* end DII stanza */
}

Example 3 with Request

use of org.omg.CORBA.Request in project cxf by apache.

the class CorbaConduit method getRequest.

public Request getRequest(CorbaMessage message, String opName, org.omg.CORBA.NVList nvlist, org.omg.CORBA.NamedValue ret, org.omg.CORBA.ExceptionList exList) throws Exception {
    Request request = null;
    if (orb == null) {
        prepareOrb();
    }
    ContextList ctxList = orb.create_context_list();
    Context ctx = null;
    try {
        ctx = orb.get_default_context();
    } catch (Exception ex) {
    // ignore?
    }
    org.omg.CORBA.Object targetObj = (org.omg.CORBA.Object) message.get(CorbaConstants.CORBA_ENDPOINT_OBJECT);
    if (targetObj != null) {
        request = targetObj._create_request(ctx, opName, nvlist, ret, exList, ctxList);
    }
    return request;
}

Example 4 with Request

use of org.omg.CORBA.Request in project cxf by apache.

the class CorbaConduit method buildRequest.

public void buildRequest(CorbaMessage message, OperationType opType) throws Exception {
    ServiceInfo service = message.getExchange().getEndpoint().getEndpointInfo().getService();
    NVList nvlist = getArguments(message);
    NamedValue ret = getReturn(message);
    Map<TypeCode, RaisesType> exceptions = getOperationExceptions(opType, typeMap);
    ExceptionList exList = getExceptionList(exceptions, message, opType);
    Request request = getRequest(message, opType.getName(), nvlist, ret, exList);
    if (request == null) {
        throw new CorbaBindingException("Couldn't build the corba request");
    }
    Exception ex;
    try {
        request.invoke();
        ex = request.env().exception();
    } catch (SystemException sysex) {
        ex = sysex;
    }
    if (ex != null) {
        if (ex instanceof SystemException) {
            message.setContent(Exception.class, new Fault(ex));
            message.setSystemException((SystemException) ex);
            return;
        }
        if (ex instanceof UnknownUserException) {
            UnknownUserException userEx = (UnknownUserException) ex;
            Any except = userEx.except;
            RaisesType raises = exceptions.get(except.type());
            if (raises == null) {
                throw new CorbaBindingException("Couldn't find the exception type code to unmarshall");
            }
            QName elName = new QName("", raises.getException().getLocalPart());
            CorbaObjectHandler handler = CorbaHandlerUtils.initializeObjectHandler(orb, elName, raises.getException(), typeMap, service);
            CorbaStreamable exStreamable = message.createStreamableObject(handler, elName);
            exStreamable._read(except.create_input_stream());
            message.setStreamableException(exStreamable);
            message.setContent(Exception.class, new Fault(userEx));
        } else {
            message.setContent(Exception.class, new Fault(ex));
        }
    }
}

Example 5 with Request

use of org.omg.CORBA.Request in project ACS by ACS-Community.

the class BACIRemoteAccess method invokeAccessor.

/**
	 * Insert the method's description here.
	 * Creation date: (7.11.2000 22:52:30)
	 * @return si.ijs.acs.objectexplorer.engine.BACI.BACIRemoteCall
	 * @param att si.ijs.acs.objectexplorer.engine.BACI.BACIAttribute
	 */
BACIRemoteCall invokeAccessor(BACIAttribute att) {
    if (att == null)
        throw new NullPointerException("att");
    BACIRemote target = (BACIRemote) att.getIntrospectable();
    if (target.getCORBARef() == null)
        throw new RemoteException("Cannot invoke attribute accessor '" + att + "' on object '" + target.getName() + "' because it is not connected.");
    org.omg.CORBA.Object remote = target.getCORBARef();
    AttributeDescription desc = att.getAttributeDesc();
    /* begin DII stanza */
    Request req = remote._request(BACIIntrospector.attributeNameToMethodName(desc.name));
    req.set_return_type(desc.type);
    java.lang.Object[] params = new java.lang.Object[0];
    int time = 0;
    notifier.reportMessage("Invoking accessor '" + target.getName() + "." + att + "()'.");
    notifier.reportDebug("BACIRemoteAccess::invokeAccessor", "Sending deferred attribute accessor '" + target.getName() + "." + att + "()'.");
    try {
        req.send_deferred();
        while (!req.poll_response()) {
            try {
                Thread.sleep(POLL_SLEEP);
                time += POLL_SLEEP;
            } catch (InterruptedException ie) {
            }
            if (time > POLL_TIMEOUT) {
                notifier.reportError("Timeout (" + POLL_TIMEOUT + " ms) while polling for response from '" + att + "' on '" + target.getName() + "'.");
                return new BACIRemoteCall(target, att, params, null, true, null);
            }
        }
        // check exception
        checkException(target, req);
        notifier.reportDebug("BACIRemoteAccess::invokeAccessor", "Received response for '" + target.getName() + "." + att + "()'.");
        //	req.get_response();
        Any anyRet = req.return_value();
        java.lang.Object oRet = null;
        if (anyRet != null)
            oRet = baciIntrospector.extractAny(anyRet);
        notifier.reportDebug("BACIRemoteAccess::invokeAccessor", "Successfully unpacked response for '" + target.getName() + "." + att + "()'.");
        return new BACIRemoteCall(target, att, params, oRet, false, null);
    } catch (Exception e) {
        notifier.reportError("Exception during deferred remote invocation.", e);
        return new BACIRemoteCall(target, att, params, null, false, e);
    }
/* end DII stanza */
}