com.espertech.esper.event.map

Interface MapEventPropertyGetter

All Superinterfaces:

EventPropertyGetter, EventPropertyGetterSPI

All Known Subinterfaces:

MapEventPropertyGetterAndIndexed, MapEventPropertyGetterAndMapped

All Known Implementing Classes:

MapArrayPOJOBeanEntryIndexedPropertyGetter, MapArrayPOJOEntryIndexedPropertyGetter, MapArrayPropertyGetter, MapDynamicPropertyGetter, MapEntryPropertyGetter, MapEventBeanArrayIndexedElementPropertyGetter, MapEventBeanArrayIndexedPropertyGetter, MapEventBeanArrayPropertyGetter, MapEventBeanEntryPropertyGetter, MapEventBeanPropertyGetter, MapFragmentArrayPropertyGetter, MapIndexedPropertyGetter, MapMappedPropertyGetter, MapMapPropertyGetter, MapNestedEntryPropertyGetterArrayMap, MapNestedEntryPropertyGetterArrayObjectArray, MapNestedEntryPropertyGetterBase, MapNestedEntryPropertyGetterMap, MapNestedEntryPropertyGetterObjectArray, MapNestedEntryPropertyGetterPropertyProvidedDynamic, MapNestedPropertyGetterMapOnly, MapNestedPropertyGetterMixedType, MapPOJOEntryPropertyGetter, MapPropertyGetterDefaultBase, MapPropertyGetterDefaultMap, MapPropertyGetterDefaultNoFragment, MapPropertyGetterDefaultObjectArray

public interface MapEventPropertyGetter
extends EventPropertyGetterSPI

Property getter for Map-underlying events.

Method Summary

Modifier and Type	Method and Description
Object	getMap(Map<String,Object> map) Returns a property of an event.
boolean	isMapExistsProperty(Map<String,Object> map) Exists-function for properties in a map-type event.

Methods inherited from interface com.espertech.esper.event.EventPropertyGetterSPI

eventBeanExistsCodegen, eventBeanFragmentCodegen, eventBeanGetCodegen, underlyingExistsCodegen, underlyingFragmentCodegen, underlyingGetCodegen

Methods inherited from interface com.espertech.esper.client.EventPropertyGetter

get, getFragment, isExistsProperty

Method Detail

getMap

Object getMap(Map<String,Object> map)
       throws PropertyAccessException

Returns a property of an event.

Parameters:

map - to interrogate

Returns:

property value

Throws:

PropertyAccessException - for property access errors

isMapExistsProperty

boolean isMapExistsProperty(Map<String,Object> map)

Exists-function for properties in a map-type event.

Parameters:

map - to interrogate

Returns:

indicator