org.hawkular.btm.server.api.task

Interface Processor<T,R>

public interface Processor<T,R>

This interface represents a processor.

Author:

gbrown

Method Summary

Modifier and Type	Method and Description
boolean	isMultiple() This method determines whether the processor results in multiple results per item.
List<R>	processMultiple(T item) This method processes the supplied item to generate zero or more resulting values.
R	processSingle(T item) This method processes the supplied item to optionally generated a new resulting value.

Method Detail

isMultiple

boolean isMultiple()

This method determines whether the processor results in multiple results per item.

Returns:

processSingle

R processSingle(T item)
         throws Exception

This method processes the supplied item to optionally generated a new resulting value.

Parameters:

item - The item

Returns:

The optional value

Throws:

Exception - Failed to process the item

processMultiple

List<R> processMultiple(T item)
                 throws Exception

This method processes the supplied item to generate zero or more resulting values.

Parameters:

item - The item

Returns:

The list of values

Throws:

Exception - Failed to process the item