com.espertech.esper.event.property

Class NestedProperty

java.lang.Object

com.espertech.esper.event.property.NestedProperty

All Implemented Interfaces:

Property

public class NestedProperty
extends Object
implements Property

This class represents a nested property, each nesting level made up of a property instance that can be of type indexed, mapped or simple itself.

The syntax for nested properties is as follows.

 a.n
 a[1].n
 a('1').n
 

Constructor Summary

Constructors

Constructor and Description
NestedProperty(List<Property> properties) Ctor.

Method Summary

Modifier and Type	Method and Description
EventPropertyGetterSPI	getGetter(BeanEventType eventType, EventAdapterService eventAdapterService) Returns value getter for the property of an event of the given event type.
EventPropertyGetterSPI	getGetterDOM() Returns the getter-method for use with XML DOM event representations.
EventPropertyGetterSPI	getGetterDOM(SchemaElementComplex parentComplexProperty, EventAdapterService eventAdapterService, BaseXMLEventType eventType, String propertyExpression) Returns the getter-method for use with XML DOM event representations.
MapEventPropertyGetter	getGetterMap(Map optionalMapPropTypes, EventAdapterService eventAdapterService) Returns the getter-method for use with Map event representations.
ObjectArrayEventPropertyGetter	getGetterObjectArray(Map<String,Integer> indexPerProperty, Map<String,Object> nestableTypes, EventAdapterService eventAdapterService)
List<Property>	getProperties() Returns the list of property instances making up the nesting levels.
String	getPropertyNameAtomic()
Class	getPropertyType(BeanEventType eventType, EventAdapterService eventAdapterService) Returns the property type.
GenericPropertyDesc	getPropertyTypeGeneric(BeanEventType eventType, EventAdapterService eventAdapterService) Returns the property type plus its generic type parameter, if any.
Class	getPropertyTypeMap(Map optionalMapPropTypes, EventAdapterService eventAdapterService) Returns the property type for use with Map event representations.
SchemaItem	getPropertyTypeSchema(SchemaElementComplex parentComplexProperty, EventAdapterService eventAdapterService) Returns the property type for use with DOM event representations.
boolean	isDynamic() Returns true for dynamic properties.
String[]	toPropertyArray() Return a String-array of atomic property names.
void	toPropertyEPL(StringWriter writer) Write the EPL-representation of the property.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NestedProperty

public NestedProperty(List<Property> properties)

Ctor.

Parameters:

properties - is the list of Property instances representing each nesting level

Method Detail

getProperties

public List<Property> getProperties()

Returns the list of property instances making up the nesting levels.

Returns:

list of Property instances

isDynamic

public boolean isDynamic()

Description copied from interface: Property

Returns true for dynamic properties.

Specified by:

isDynamic in interface Property

Returns:

false for not-dynamic properties, true for dynamic properties.

getGetter

public EventPropertyGetterSPI getGetter(BeanEventType eventType,
                                        EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns value getter for the property of an event of the given event type.

Specified by:

getGetter in interface Property

Parameters:

eventType - is the type of event to make a getter for

eventAdapterService - factory for event beans and event types

Returns:

fast property value getter for property

getPropertyType

public Class getPropertyType(BeanEventType eventType,
                             EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns the property type.

Specified by:

getPropertyType in interface Property

Parameters:

eventType - is the event type representing the JavaBean

eventAdapterService - for event adapters

Returns:

property type class

getPropertyTypeGeneric

public GenericPropertyDesc getPropertyTypeGeneric(BeanEventType eventType,
                                                  EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns the property type plus its generic type parameter, if any.

Specified by:

getPropertyTypeGeneric in interface Property

Parameters:

eventType - is the event type representing the JavaBean

eventAdapterService - for event adapters

Returns:

type and generic descriptor

getPropertyTypeMap

public Class getPropertyTypeMap(Map optionalMapPropTypes,
                                EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns the property type for use with Map event representations.

Specified by:

getPropertyTypeMap in interface Property

Parameters:

optionalMapPropTypes - a map-within-map type definition, if supplied, or null if not supplied

eventAdapterService - for resolving further map event types that are property types

Returns:

property type @param optionalMapPropTypes

getGetterMap

public MapEventPropertyGetter getGetterMap(Map optionalMapPropTypes,
                                           EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns the getter-method for use with Map event representations.

Specified by:

getGetterMap in interface Property

Parameters:

optionalMapPropTypes - a map-within-map type definition, if supplied, or null if not supplied

eventAdapterService - for resolving further map event types that are property types

Returns:

getter for maps

toPropertyEPL

public void toPropertyEPL(StringWriter writer)

Description copied from interface: Property

Write the EPL-representation of the property.

Specified by:

toPropertyEPL in interface Property

Parameters:

writer - to write to

toPropertyArray

public String[] toPropertyArray()

Description copied from interface: Property

Return a String-array of atomic property names.

Specified by:

toPropertyArray in interface Property

Returns:

array of atomic names in a property expression

getGetterDOM

public EventPropertyGetterSPI getGetterDOM()

Description copied from interface: Property

Returns the getter-method for use with XML DOM event representations.

Specified by:

getGetterDOM in interface Property

Returns:

getter

getGetterDOM

public EventPropertyGetterSPI getGetterDOM(SchemaElementComplex parentComplexProperty,
                                           EventAdapterService eventAdapterService,
                                           BaseXMLEventType eventType,
                                           String propertyExpression)

Description copied from interface: Property

Returns the getter-method for use with XML DOM event representations.

Specified by:

getGetterDOM in interface Property

Parameters:

parentComplexProperty - a element-within-element type definition

eventAdapterService - for resolving or creating further event types that are property types

eventType - the event type

propertyExpression - the full property expression

Returns:

getter

getPropertyTypeSchema

public SchemaItem getPropertyTypeSchema(SchemaElementComplex parentComplexProperty,
                                        EventAdapterService eventAdapterService)

Description copied from interface: Property

Returns the property type for use with DOM event representations.

Specified by:

getPropertyTypeSchema in interface Property

Parameters:

parentComplexProperty - a element-within-element type definition

eventAdapterService - for resolving further element event types if defined

Returns:

property type

getGetterObjectArray

public ObjectArrayEventPropertyGetter getGetterObjectArray(Map<String,Integer> indexPerProperty,
                                                           Map<String,Object> nestableTypes,
                                                           EventAdapterService eventAdapterService)

Specified by:

getGetterObjectArray in interface Property

getPropertyNameAtomic

public String getPropertyNameAtomic()

Specified by:

getPropertyNameAtomic in interface Property