javax.jdo.identity

Class ByteIdentity

Implemented Interfaces:
Externalizable

public class ByteIdentity
extends SingleFieldIdentity

This class is for identity with a single byte field.
Version:
2.0

Field Summary

Fields inherited from class javax.jdo.identity.SingleFieldIdentity

hashCode, keyAsObject, msg

Constructor Summary

ByteIdentity()
Constructor only for Externalizable.
ByteIdentity(Class pcClass, Byte key)
Constructor with class and key.
ByteIdentity(Class pcClass, String str)
Constructor with class and key.
ByteIdentity(Class pcClass, byte key)
Constructor with class and key.

Method Summary

protected Object
createKeyAsObject()
Create the key as an Object.
boolean
equals(Object obj)
Determine if the other object represents the same object id.
byte
getKey()
Return the key.
void
readExternal(ObjectInput in)
Read this object.
String
toString()
Return the String version of the key.
void
writeExternal(ObjectOutput out)
Write this object.

Methods inherited from class javax.jdo.identity.SingleFieldIdentity

assertKeyNotNull, createKeyAsObject, equals, getKeyAsObject, getTargetClass, getTargetClassName, hashClassName, hashCode, readExternal, setKeyAsObject, writeExternal

Constructor Details

ByteIdentity

public ByteIdentity()
Constructor only for Externalizable.

ByteIdentity

public ByteIdentity(Class pcClass,
                    Byte key)
Constructor with class and key.
Parameters:
pcClass - the target class
key - the key

ByteIdentity

public ByteIdentity(Class pcClass,
                    String str)
Constructor with class and key.
Parameters:
pcClass - the target class
str - the key

ByteIdentity

public ByteIdentity(Class pcClass,
                    byte key)
Constructor with class and key.
Parameters:
pcClass - the target class
key - the key

Method Details

createKeyAsObject

protected Object createKeyAsObject()
Create the key as an Object.
Overrides:
createKeyAsObject in interface SingleFieldIdentity
Returns:
the key as an Object
Since:
2.0

equals

public boolean equals(Object obj)
Determine if the other object represents the same object id.
Overrides:
equals in interface SingleFieldIdentity
Parameters:
obj - the other object
Returns:
true if both objects represent the same object id

getKey

public byte getKey()
Return the key.
Returns:
the key

readExternal

public void readExternal(ObjectInput in)
            throws IOException,
                   ClassNotFoundException
Read this object. Read the superclass first.
Overrides:
readExternal in interface SingleFieldIdentity
Parameters:
in - the input

toString

public String toString()
Return the String version of the key.
Returns:
the key.

writeExternal

public void writeExternal(ObjectOutput out)
            throws IOException
Write this object. Write the superclass first.
Overrides:
writeExternal in interface SingleFieldIdentity
Parameters:
out - the output