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javax.jdo.identity

Class StringIdentity

Implemented Interfaces:
Externalizable
public class StringIdentity
extends SingleFieldIdentity
This class is for identity with a single String field.
Version:
2.0

Field Summary

Fields inherited from class javax.jdo.identity.SingleFieldIdentity

hashCode, keyAsObject, msg

Constructor Summary

StringIdentity()
Constructor only for Externalizable.
StringIdentity(Class pcClass, String key)
Constructor with class and key.

Method Summary

boolean
equals(Object obj)
Determine if the other object represents the same object id.
String
getKey()
Return the key.
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 javax.jdo.identity.SingleFieldIdentity

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

Constructor Details

StringIdentity

public StringIdentity()
Constructor only for Externalizable.

StringIdentity

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

Method Details

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 String 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 form of the key.
Returns:
the String form of 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

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