com.thinkaurelius.titan.core

Enum Cardinality

java.lang.Object

java.lang.Enum<Cardinality>

com.thinkaurelius.titan.core.Cardinality

All Implemented Interfaces:

Serializable, Comparable<Cardinality>

public enum Cardinality
extends Enum<Cardinality>

The cardinality of the values associated with given key for a particular element.

Author:

Matthias Broecheler (me@matthiasb.com)

Enum Constant Summary

Enum Constants

Enum Constant and Description
LIST Multiple values and duplicate values may be associated with the given key.
SET Multiple but distinct values may be associated with the given key.
SINGLE Only a single value may be associated with the given key.

Method Summary

Methods

Modifier and Type	Method and Description
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 are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

SINGLE

public static final Cardinality SINGLE

Only a single value may be associated with the given key.

LIST

public static final Cardinality LIST

Multiple values and duplicate values may be associated with the given key.

SET

public static final Cardinality SET

Multiple but distinct values may be associated with the given key.

Method Detail

values

public static Cardinality[] values()

Returns an array containing the constants of this enum type, in the order they are 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 are 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

NullPointerException - if the argument is null