org.globus.ogsa
Interface ServiceDataValueCallback

All Known Implementing Classes:
GridServiceImpl, NotificationSourceProvider

public interface ServiceDataValueCallback

The ServiceDataValueCallback interface can be implemented to dynamically provide service data values, at the time of an expression evaluation. It is registered with and called by a ServiceData object, and hence receives callbacks based on a collection of service data values for a particular service data element QName.

See Also:
ServiceData

Method Summary
 java.util.Collection getServiceDataValues(javax.xml.namespace.QName qname)
          Gets service data values requested for a service data element qname.
 

Method Detail

getServiceDataValues

public java.util.Collection getServiceDataValues(javax.xml.namespace.QName qname)
Gets service data values requested for a service data element qname.

Parameters:
qname - name of service data element (all values will be wrapped inside of element tags with this qname)
Returns:
a collection of service data values, if the collection is empty or null, the evaluator will ignore this service data element.


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