net.esper.event
Interface EventPropertyGetter

All Known Implementing Classes:
CGLibPropertyGetter, EventArrayPropertyGetter, EventKeyedPropertyGetter, EventNestedPropertyGetter, ReflectionPropertyGetter

public interface EventPropertyGetter

Get property values from an event instance for a given event property. Instances that implement this interface are usually bound to a particular EventType and cannot be used to access EventBean instances of a different type.


Method Summary
 java.lang.Object get(EventBean eventBean)
          Return the value for the property in the event object specified when the instance was obtained.
 

Method Detail

get

java.lang.Object get(EventBean eventBean)
                     throws PropertyAccessException
Return the value for the property in the event object specified when the instance was obtained. Useful for fast access to event properties. Throws a PropertyAccessException if the getter instance doesn't match the EventType it was obtained from, and to indicate other property access problems.

Parameters:
eventBean - is the event to get the value of a property from
Returns:
value of property in event
Throws:
PropertyAccessException - to indicate that property access failed