public Mediator createMediator(OMElement elem) 
{
        ThrottleMediator throttleMediator = new ThrottleMediator();
        OMElement policy = elem.getFirstChildWithName(
                new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "policy"));
        if (policy != null) {
            OMAttribute key = policy.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
            if (key != null) {
                String keyValue = key.getAttributeValue();
                if (keyValue != null && !"".equals(keyValue)) {
                    throttleMediator.setPolicyKey(keyValue);
                } else {
                    handleException("key attribute should have a value ");
                }
            } else {
                OMElement inLine = policy.getFirstElement();
                if (inLine != null) {
                    throttleMediator.setInLinePolicy(inLine);
                }
            }
        }
        // after successfully creating the mediator
        // set its common attributes such as tracing etc
        processTraceState(throttleMediator,elem);
        String id = elem.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "id"));
        if (id != null && !"".equals(id)) {
            throttleMediator.setId(id.trim());
        } else {
           handleException("Idy attribute must have defined ");
        }
        SequenceMediatorFactory mediatorFactory = new SequenceMediatorFactory();
        OMAttribute onReject = elem.getAttribute(
                new QName(XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.ONREJECT));
        if (onReject != null) {
            String onRejectValue = onReject.getAttributeValue();
            if (onRejectValue != null) {
                throttleMediator.setOnRejectSeqKey(onRejectValue.trim());
            }
        } else {
            OMElement onRejectMediatorElement = elem.getFirstChildWithName(
                    new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, XMLConfigConstants.ONREJECT));
            if (onRejectMediatorElement != null) {
                throttleMediator.setOnRejectMediator(mediatorFactory.createAnonymousSequence(
                        onRejectMediatorElement));
            }
        }
        OMAttribute onAccept = elem.getAttribute(
                new QName(XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.ONACCEPT));
        if (onAccept != null) {
            String onAcceptValue = onAccept.getAttributeValue();
            if (onAcceptValue != null) {
                throttleMediator.setOnAcceptSeqKey(onAcceptValue);
            }
        } else {
            OMElement onAcceptMediatorElement = elem.getFirstChildWithName(
                    new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, XMLConfigConstants.ONACCEPT));
            if (onAcceptMediatorElement != null) {
                throttleMediator.setOnAcceptMediator(mediatorFactory.createAnonymousSequence(
                        onAcceptMediatorElement));
            }
        }
        return throttleMediator;
}

 public QName getTagQName() 
{
        return TAG_NAME;
}