org.entityfs.support.lang
Enum TriState

java.lang.Object
  java.lang.Enum<TriState>
      org.entityfs.support.lang.TriState

All Implemented Interfaces:

Serializable, Comparable<TriState>

public enum TriState
extends Enum<TriState>

The TriState is an enumeration with three states: NO, YES and DONT_CARE.

Since:

1.0

Author:

Karl Gustafsson

In_jar:

entityfs-core

Enum Constant Summary

DONT_CARE

NO

YES

Method Summary

String	toString()
static TriState	valueOf(boolean b) Return the tristate value for the boolean (YES or NO).
static TriState	valueOf(String name) Returns the enum constant of this type with the specified name.
static TriState[]	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NO

public static final TriState NO

YES

public static final TriState YES

DONT_CARE

public static final TriState DONT_CARE

Method Detail

values

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

Returns:

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

valueOf

public static TriState 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

valueOf

public static TriState valueOf(boolean b)

Return the tristate value for the boolean (YES or NO).

Parameters:

b - The boolean

Returns:

YES if the boolean is true, NO if it is false.

toString

public String toString()

Overrides:

toString in class Enum<TriState>