org.jpox.metadata
Class Relation

java.lang.Object
  org.jpox.metadata.Relation

All Implemented Interfaces:

java.io.Serializable

public class Relation
extends java.lang.Object
implements java.io.Serializable

Utility class providing enums for the different relation types. TODO Consider adding the other subtypes of relations ... join table, foreign key etc

Version:

$Revision: 1.2 $

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Serialized Form

Field Summary

static int	MANY_TO_MANY_BI Many to Many bidirectional (collection/map at both sides).
static int	MANY_TO_ONE_BI Many to One bidirectional (reference back to a collection of the object).
static int	NONE No relation.
static int	ONE_TO_MANY_BI One to Many bidirectional (collection/map of object with reference back).
static int	ONE_TO_MANY_UNI One to Many unidirectional (collection/map of object with no reference back).
static int	ONE_TO_ONE_BI One to One bidirectional (object reference at both sides).
static int	ONE_TO_ONE_UNI One to One bidirectional (object reference at one side only).

Constructor Summary

Relation()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final int NONE

No relation.

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Constant Field Values

ONE_TO_ONE_UNI

public static final int ONE_TO_ONE_UNI

One to One bidirectional (object reference at one side only).

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Constant Field Values

ONE_TO_ONE_BI

public static final int ONE_TO_ONE_BI

One to One bidirectional (object reference at both sides).

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Constant Field Values

ONE_TO_MANY_UNI

public static final int ONE_TO_MANY_UNI

One to Many unidirectional (collection/map of object with no reference back).

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Constant Field Values

ONE_TO_MANY_BI

public static final int ONE_TO_MANY_BI

One to Many bidirectional (collection/map of object with reference back).

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Constant Field Values

MANY_TO_MANY_BI

public static final int MANY_TO_MANY_BI

Many to Many bidirectional (collection/map at both sides).

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Constant Field Values

MANY_TO_ONE_BI

public static final int MANY_TO_ONE_BI

Many to One bidirectional (reference back to a collection of the object).

See Also:

Constant Field Values

Constructor Detail

Relation

public Relation()