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public interface EventHandlerIF
An EventHandlerIF represents an event handler - the basic unit of computation in SandStorm. This is the basic interface which all application modules implement.
Method Summary | |
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void |
destroy()
Called when an event handler is destroyed. |
void |
handleEvent(QueueElementIF elem)
Handle the event corresponding to the given QueueElementIF. |
void |
handleEvents(QueueElementIF[] elemarr)
Handle the events corresponding to the given QueueElementIF array. |
void |
init(ConfigDataIF config)
Called when an event handler is initialized. |
Method Detail |
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void handleEvent(QueueElementIF elem) throws EventHandlerException
EventHandlerException
- The application may throw an
exception to indicate an error condition during event processing.void handleEvents(QueueElementIF[] elemarr) throws EventHandlerException
EventHandlerException
- The application may throw an
exception to indicate an error condition during event processing.void init(ConfigDataIF config) throws java.lang.Exception
config
- The set of configuration parameters for the stage.
java.lang.Exception
- The EventHandler can indicate an
error to the runtime during initialization by throwing an
Exception.void destroy() throws java.lang.Exception
java.lang.Exception
- The EventHandler can indicate an
error to the runtime during shutdown by throwing an
Exception.
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