Examples with Invocation si.ijs.acs.objectexplorer.engine.Invocation used on opensource projects

Example 1 with Invocation

use of si.ijs.acs.objectexplorer.engine.Invocation 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 */
}