@Override
    public void setConnectorInterceptor(IConnectorInterceptor connectorInterceptor) throws InterceptorAlreadyRegisteredException {
        if (this.connectorInterceptor != null) {
            throw new InterceptorAlreadyRegisteredException(connectorInterceptor.getClass());
        }
        this.connectorInterceptor = connectorInterceptor;
    }
@see io.apiman.gateway.engine.policy.IPolicyContext#setConnectorInterceptor(IConnectorInterceptor)
gateway/engine/core/src/main/java/io/apiman/gateway/engine/policy/PolicyContextImpl.java