Class CharId

java.lang.Object

org.datanucleus.identity.SingleFieldId<Character, CharId>

org.datanucleus.identity.CharId

All Implemented Interfaces:

Externalizable, Serializable, Comparable<CharId>

public class CharId
extends SingleFieldId<Character, CharId>

This class is for identity with a single character field.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private char	key

Fields inherited from class SingleFieldId

hashCode, STRING_DELIMITER, targetClassName

Constructor Summary

Constructors

Constructor	Description
CharId()
CharId(Class<?> pcClass, char key)
CharId(Class<?> pcClass, Character key)
CharId(Class<?> pcClass, String str)

Method Summary

Modifier and Type	Method	Description
int	compareTo(CharId other)
char	getKey()
Character	getKeyAsObject()	Accessor for the key
protected boolean	keyEquals(CharId obj)
void	readExternal(ObjectInput in)	Read this object.
String	toString()	Return the String form of the key.
void	writeExternal(ObjectOutput out)	Write this object.

Methods inherited from class SingleFieldId

assertKeyNotNull, compare, equals, getTargetClassName, hashCode

Methods inherited from class Object

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

Field Details

key

private char key

Constructor Details

CharId

public CharId(Class<?> pcClass,
 char key)

CharId

public CharId(Class<?> pcClass,
 Character key)

CharId

public CharId(Class<?> pcClass,
 String str)

CharId

public CharId()

Method Details

getKey

public char getKey()

getKeyAsObject

public Character getKeyAsObject()

Description copied from class: SingleFieldId

Accessor for the key

Specified by:

getKeyAsObject in class SingleFieldId<Character, CharId>

Returns:

The key

toString

public String toString()

Return the String form of the key.

Overrides:

toString in class Object

Returns:

the String form of the key

keyEquals

protected boolean keyEquals(CharId obj)

Specified by:

keyEquals in class SingleFieldId<Character, CharId>

compareTo

public int compareTo(CharId other)

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Write this object. Write the superclass first.

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class SingleFieldId<Character, CharId>

Parameters:

out - the output

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Read this object. Read the superclass first.

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class SingleFieldId<Character, CharId>

Parameters:

in - the input

Throws:

IOException

ClassNotFoundException