Package com.saperion.common.lang.id

Class Guid

java.lang.Object

com.saperion.common.lang.id.Guid

All Implemented Interfaces:

Id, Serializable

public class Guid
extends Object
implements Id

A globally unique identifier, as an implementation of a RFC4122 type 4 UUID.

An instance of Guid can be used in several threads concurrently.

Author:

agz

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Guid()	Creates a new Guid, representing an already initialized, valid globally unique id-value.
Guid(String string)	Creates a new Guid, initialized with the id-value represented by the specified string.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
final String	getString()	Returns the string-representation of this Id.
final String	getString32()	Returns a 32 byte representation of this Guid, that is analogous to the standard 36 byte representation but without the separating "-"-characters.
final String	getString36()	Returns the standard 36 byte representation of this Guid.
int	hashCode()
protected Object	readResolve()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Guid

public Guid()

Creates a new Guid, representing an already initialized, valid globally unique id-value.

Guid

public Guid(String string)

Creates a new Guid, initialized with the id-value represented by the specified string.

The specified string may be the standard 36 bytes representation or a reduced 32 bytes representation where the separating "-"-characters are omitted. For letter-characters both upper and lower case is accepted.

The specified string must not be null.

Parameters:

string - string representation of a guid

See Also:

• getString()

Method Details

readResolve

protected Object readResolve()

getString

public final String getString()

Returns the string-representation of this Id.

Returns the standard 36 bytes representation of this Guid.

Specified by:

getString in interface Id

Returns:

the string-representation of this Id

See Also:

• getString36()
• getString32()
• Guid(String)

getString32

public final String getString32()

Returns a 32 byte representation of this Guid, that is analogous to the standard 36 byte representation but without the separating "-"-characters.

Letters are in upper case always.

Returns:

32 byte representation of this Guid

See Also:

• getString36()
• Guid(String)

getString36

public final String getString36()

Returns the standard 36 byte representation of this Guid.

Letters are in upper case always.

Returns:

36 byte standard representation of this Guid

See Also:

• getString32()
• Guid(String)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object