Package com.aquima.interactions.metamodel

Class RelationType

java.lang.Object

com.aquima.interactions.metamodel.RelationType

All Implemented Interfaces:

Serializable

public class RelationType
extends Object
implements Serializable

This class is used as an enumerated type for the possible types of relations.

Since:

5.0

Author:

O. Kerpershoek, F. v.d. Meer

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final RelationType	AGGREGATE	This relation type implies a parent-child relation (part-of relation) between to objects.
static final RelationType	ASSOCIATIVE	This relation type is generic.
static final RelationType	COMPOSITE	A composite relation is a specific kind of aggregation, as the child object of the relation cannot exist without the parent.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RelationType(String name, boolean directed, boolean exclusive)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
String	getType()	This method returns the name of the relation type.
int	hashCode()
boolean	isDirected()	This method returns a boolean indicating if the relation type represents a parent-child relation.
boolean	isExclusive()	This method returns a boolean indicating if the child object a directed relation belongs exclusively to the parent.
static RelationType	valueOf(String name)

Methods inherited from class java.lang.Object

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

Field Details

ASSOCIATIVE

public static final RelationType ASSOCIATIVE

This relation type is generic. Two objects related with an associative relation are considered equal to each other, and can exist independently.

AGGREGATE

public static final RelationType AGGREGATE

This relation type implies a parent-child relation (part-of relation) between to objects. Objects that are related to each other by aggregation may exist independent of each other.

COMPOSITE

public static final RelationType COMPOSITE

A composite relation is a specific kind of aggregation, as the child object of the relation cannot exist without the parent.

Constructor Details

RelationType

protected RelationType(String name,
 boolean directed,
 boolean exclusive)

Method Details

valueOf

public static RelationType valueOf(String name)

getType

public String getType()

This method returns the name of the relation type.

Returns:

String containing the name of the relation type.

isDirected

public boolean isDirected()

This method returns a boolean indicating if the relation type represents a parent-child relation.

Returns:

boolean indicating if the relation type represents a parent-child relation.

isExclusive

public boolean isExclusive()

This method returns a boolean indicating if the child object a directed relation belongs exclusively to the parent.

Returns:

boolean indicating if the child object a directed relation belongs exclusively to the parent.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object