Package com.espertech.esper.common.client

Interface EventPropertyGetterMapped

All Known Subinterfaces:

EventPropertyGetterAndMapped, EventPropertyGetterMappedSPI, MapEventPropertyGetterAndMapped, ObjectArrayEventPropertyGetterAndMapped

All Known Implementing Classes:

JsonGetterMapRuntimeKeyedProvided, JsonGetterMapRuntimeKeyedSchema, KeyedMapFieldPropertyGetter, KeyedMapMethodPropertyGetter, KeyedMethodPropertyGetter, MapMappedPropertyGetter, ObjectArrayMappedPropertyGetter, WrapperGetterMapped

public interface EventPropertyGetterMapped

Get property values from an event instance for a given mapped event property by passing the map string key. 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

Modifier and Type	Method	Description
Object	get(EventBean eventBean, String mapKey)	Return the value for the property in the event object specified when the instance was obtained.

Method Details

get

Object get(EventBean eventBean,
 String mapKey)
    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

mapKey - the map key value

Returns:

value of property in event

Throws:

PropertyAccessException - to indicate that property access failed