com.edorasware.commons.core.entity

Class GroupId

java.lang.Object

com.edorasware.commons.core.id.BaseId

com.edorasware.commons.core.entity.GroupId

All Implemented Interfaces:

Id, Serializable

public final class GroupId
extends BaseId

This class represents a group id.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static GroupId	UNDEFINED A type-safe and null-safe undefined group id.

Fields inherited from class com.edorasware.commons.core.id.BaseId

UNDEFINED_VALUE

Method Summary

Modifier and Type	Method and Description
static GroupId	from(Id id) Returns a type-safe group id for the specified id or null if the given id is null.
static GroupId	from(Identifiable<?> identifiable) Returns a type-safe group id derived from the id of the specified identifiable or null if the id of the identifiable is null.
static GroupId	get(String value) Returns a type-safe group id for the specified value.
static GroupId	nullSafeGet(String value) Returns a type-safe group id for the specified value or null if the given value is null.
GroupId	withValue(String value) Returns a new group-id with the given value.

Methods inherited from class com.edorasware.commons.core.id.BaseId

equals, getValue, hashCode, isUndefined, toString

Methods inherited from class java.lang.Object

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

Field Detail

UNDEFINED

public static final GroupId UNDEFINED

A type-safe and null-safe undefined group id.

Method Detail

withValue

public GroupId withValue(String value)

Returns a new group-id with the given value.

Specified by:

withValue in interface Id

Overrides:

withValue in class BaseId

Parameters:

value - the value of the new group id

Returns:

the new group id

get

public static GroupId get(String value)

Returns a type-safe group id for the specified value.

Parameters:

value - the value that represents the group id

Returns:

the type-safe group id

nullSafeGet

public static GroupId nullSafeGet(String value)

Returns a type-safe group id for the specified value or null if the given value is null.

Parameters:

value - the value that represents the group id or null

Returns:

the type-safe group id or null

from

public static GroupId from(Id id)

Returns a type-safe group id for the specified id or null if the given id is null.

Parameters:

id - the id from which to derive the group id

Returns:

the type-safe group id or null

from

public static GroupId from(Identifiable<?> identifiable)

Returns a type-safe group id derived from the id of the specified identifiable or null if the id of the identifiable is null.

Parameters:

identifiable - the identifiable whose id is taken to derive the group id

Returns:

the type-safe group id or null