Class Relationship<EnclosingType, EnclosingBean, RelatedType, RelatedBean>

java.lang.Object

io.kojan.xml.Property<EnclosingType, EnclosingBean, RelatedType>

io.kojan.xml.Relationship<EnclosingType, EnclosingBean, RelatedType, RelatedBean>

Type Parameters:

EnclosingType - data type of entity

EnclosingBean - type of bean associated with the entity

RelatedType - data type of related entity

RelatedBean - type of bean of related entity

public class Relationship<EnclosingType, EnclosingBean, RelatedType, RelatedBean>
extends Property<EnclosingType, EnclosingBean, RelatedType>

Relationship of one Entity type to another. A complex Property with no simple text representation.

When stored in XML form, a relationship is represented by zero or more XML subtrees describing each of related entity instances.

Author:

Mikolaj Izdebski

Constructor Summary

Constructors

Constructor	Description
Relationship(Entity<RelatedType, RelatedBean> relatedEntity, Getter<EnclosingType, Iterable<RelatedType>> getter, Setter<EnclosingBean, RelatedType> setter, boolean optional, boolean unique)	Creates a relationship between two entities.

Method Summary

Modifier and Type	Method	Description
protected void	dump(XMLDumper dumper, RelatedType value)	Serializes the property into XML format, using given XMLDumper.
static <Type, Bean, RelatedType, RelatedBean> Relationship<Type, Bean, RelatedType, RelatedBean>	of(Entity<RelatedType, RelatedBean> relatedEntity, Getter<Type, Iterable<RelatedType>> getter, Setter<Bean, RelatedType> setter)	Creates a non-unique, optional relationship with another entity.
static <Type, Bean, RelatedType, RelatedBean> Relationship<Type, Bean, RelatedType, RelatedBean>	ofSingular(Entity<RelatedType, RelatedBean> relatedEntity, Getter<Type, RelatedType> getter, Setter<Bean, RelatedType> setter)	Creates a unique, optional relationship with another entity.
protected RelatedType	parse(XMLParser parser)	Deserializes the property from XML format, using given XMLParser.

Methods inherited from class Property

getGetter, getSetter, getTag, isOptional, isUnique

Methods inherited from class Object

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

Constructor Details

Relationship

public Relationship(Entity<RelatedType, RelatedBean> relatedEntity,
 Getter<EnclosingType, Iterable<RelatedType>> getter,
 Setter<EnclosingBean, RelatedType> setter,
 boolean optional,
 boolean unique)

Creates a relationship between two entities.

Parameters:

relatedEntity - entity that is related to

getter - relationship getter method

setter - relationship setter method

optional - whether the relationship is optional (see Property.isOptional())

unique - whether the relationship is unique (see Property.isUnique())

Method Details

of

public static <Type, Bean, RelatedType, RelatedBean>
Relationship<Type, Bean, RelatedType, RelatedBean> of(Entity<RelatedType, RelatedBean> relatedEntity,
 Getter<Type, Iterable<RelatedType>> getter,
 Setter<Bean, RelatedType> setter)

Creates a non-unique, optional relationship with another entity.

Type Parameters:

Type - data type of relating entity

Bean - type of bean associated with the relating entity

RelatedType - data type of related entity

RelatedBean - type of bean of related entity

Parameters:

relatedEntity - related entity

getter - entity bean getter method that returns value of the related entity

setter - entity bean setter method that returns value of the related entity

Returns:

created relationship

ofSingular

public static <Type, Bean, RelatedType, RelatedBean>
Relationship<Type, Bean, RelatedType, RelatedBean> ofSingular(Entity<RelatedType, RelatedBean> relatedEntity,
 Getter<Type, RelatedType> getter,
 Setter<Bean, RelatedType> setter)

Creates a unique, optional relationship with another entity.

Type Parameters:

Type - data type of relating entity

Bean - type of bean associated with the relating entity

RelatedType - data type of related entity

RelatedBean - type of bean of related entity

Parameters:

relatedEntity - related entity

getter - entity bean getter method that returns value of the related entity

setter - entity bean setter method that returns value of the related entity

Returns:

created relationship

dump

protected void dump(XMLDumper dumper,
 RelatedType value)
             throws XMLException

Description copied from class: Property

Serializes the property into XML format, using given XMLDumper.

Specified by:

dump in class Property<EnclosingType, EnclosingBean, RelatedType>

Parameters:

dumper - the sink to serialize data to

value - property value to serialize

Throws:

XMLException - in case exception occurs during XML serialization

parse

protected RelatedType parse(XMLParser parser)
                     throws XMLException

Description copied from class: Property

Deserializes the property from XML format, using given XMLParser.

Specified by:

parse in class Property<EnclosingType, EnclosingBean, RelatedType>

Parameters:

parser - the source to deserialize data from

Returns:

deserialized property value

Throws:

XMLException - in case exception occurs during XML deserialization