Class StringId

java.lang.Object

org.datanucleus.identity.SingleFieldId<String,StringId>

org.datanucleus.identity.StringId

All Implemented Interfaces:

Externalizable, Serializable, Comparable<StringId>

public class StringId
extends SingleFieldId<String,StringId>

This class is for identity with a single String field.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private String	key

Fields inherited from class SingleFieldId

hashCode, STRING_DELIMITER, targetClassName

Constructor Summary

Constructors

Constructor	Description
StringId()
StringId(Class<?> pcClass, String key)

Method Summary

Modifier and Type	Method	Description
int	compareTo(StringId other)
String	getKey()
String	getKeyAsObject()	Accessor for the key
protected boolean	keyEquals(StringId 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 String key

Constructor Details

StringId

public StringId(Class<?> pcClass,
 String key)

StringId

public StringId()

Method Details

getKey

public String getKey()

getKeyAsObject

public String getKeyAsObject()

Description copied from class: SingleFieldId

Accessor for the key

Specified by:

getKeyAsObject in class SingleFieldId<String,StringId>

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(StringId obj)

Specified by:

keyEquals in class SingleFieldId<String,StringId>

compareTo

public int compareTo(StringId 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<String,StringId>

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<String,StringId>

Parameters:

in - the input

Throws:

IOException

ClassNotFoundException