Swichyard with camel

[vikassahay1]

hi guys

i want help in developing camel in switchyard project but when i am defining a bean it is throwing following error .Although  i have defined the service interface but it is saying like this and i want to know what would be the next step for routing the message  using camel and what would be the better approach whether to go for wsdl or java class please help me and teel what is next step for integration with camel .

Thanks