org.apache.isis.core.metamodel.services.container.query

Enum QueryCardinality

java.lang.Object

java.lang.Enum<QueryCardinality>

org.apache.isis.core.metamodel.services.container.query.QueryCardinality

All Implemented Interfaces:

Serializable, Comparable<QueryCardinality>

public enum QueryCardinality
extends Enum<QueryCardinality>

Enum Constant Summary

Enum Constants

Enum Constant and Description
MULTIPLE Query can return multiple instances.
SINGLE Query should return only a single instance (or possible none).

Method Summary

Methods

Modifier and Type	Method and Description
static QueryCardinality	valueOf(String name) Returns the enum constant of this type with the specified name.
static QueryCardinality[]	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

MULTIPLE

public static final QueryCardinality MULTIPLE

Query can return multiple instances.

SINGLE

public static final QueryCardinality SINGLE

Query should return only a single instance (or possible none).

Method Detail

values

public static QueryCardinality[] 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 (QueryCardinality c : QueryCardinality.values())
    System.out.println(c);

Returns:

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

valueOf

public static QueryCardinality 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