org.javagen.agile.db.model
Enum Cardinality

java.lang.Object
  java.lang.Enum<Cardinality>
      org.javagen.agile.db.model.Cardinality

All Implemented Interfaces:

Serializable, Comparable<Cardinality>

public enum Cardinality
extends Enum<Cardinality>

Cardinality of database relationships. Single sided and reverse perspectives are supported through utility methods.

Author:

Richard Easterling

Nested Class Summary

static class

Cardinality.Side Cardinality for one end of a reference

Enum Constant Summary

MANY_TO_MANY

MANY_TO_ONE

ONE_TO_MANY

ONE_TO_ONE

Field Summary

static EnumSet<Cardinality>	ONE_TO_X
static EnumSet<Cardinality>	X_TO_ONE

Method Summary

String	getMapping() text representation of cardinality
Cardinality	getReverse() reverse relationship cardinality
static Cardinality	lookup(String mapping) lookup cardinality given text representation
static Cardinality.Side	otherSide(Cardinality card)
static String	otherSide(String card)
static Cardinality.Side	thisSide(Cardinality card)
static String	thisSide(String card)
static Cardinality	valueOf(String name) Returns the enum constant of this type with the specified name.
static Cardinality[]	values() Returns an array containing the constants of this enum type, in the order they're declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

ONE_TO_ONE

public static final Cardinality ONE_TO_ONE

ONE_TO_MANY

public static final Cardinality ONE_TO_MANY

MANY_TO_ONE

public static final Cardinality MANY_TO_ONE

MANY_TO_MANY

public static final Cardinality MANY_TO_MANY

Field Detail

ONE_TO_X

public static EnumSet<Cardinality> ONE_TO_X

X_TO_ONE

public static EnumSet<Cardinality> X_TO_ONE

Method Detail

values

public static final Cardinality[] values()

Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants as follows:

for(Cardinality c : Cardinality.values())
        System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they're declared

valueOf

public static Cardinality valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

thisSide

public static Cardinality.Side thisSide(Cardinality card)

otherSide

public static Cardinality.Side otherSide(Cardinality card)

thisSide

public static String thisSide(String card)

otherSide

public static String otherSide(String card)

getMapping

public String getMapping()

text representation of cardinality

lookup

public static Cardinality lookup(String mapping)

lookup cardinality given text representation

getReverse

public Cardinality getReverse()

reverse relationship cardinality