javax.jdo.identity
Class LongIdentity

java.lang.Object
  extended by javax.jdo.identity.SingleFieldIdentity
      extended by javax.jdo.identity.LongIdentity
All Implemented Interfaces:
java.io.Externalizable, java.io.Serializable

public class LongIdentity
extends SingleFieldIdentity

This class is for identity with a single long field.

Version:
2.0
See Also:
Serialized Form

Field Summary
 
Fields inherited from class javax.jdo.identity.SingleFieldIdentity
hashCode, keyAsObject, msg
 
Constructor Summary
LongIdentity()
          Constructor only for Externalizable.
LongIdentity(java.lang.Class pcClass, long key)
          Constructor with class and key.
LongIdentity(java.lang.Class pcClass, java.lang.Long key)
          Constructor with class and key.
LongIdentity(java.lang.Class pcClass, java.lang.String str)
          Constructor with class and key.
 
Method Summary
protected  java.lang.Object createKeyAsObject()
          Create the key as an Object.
 boolean equals(java.lang.Object obj)
          Determine if the other object represents the same object id.
 long getKey()
          Return the key.
 void readExternal(java.io.ObjectInput in)
          Read this object.
 java.lang.String toString()
          Return the String form of the key.
 void writeExternal(java.io.ObjectOutput out)
          Write this object.
 
Methods inherited from class javax.jdo.identity.SingleFieldIdentity
assertKeyNotNull, getKeyAsObject, getTargetClass, getTargetClassName, hashClassName, hashCode, setKeyAsObject
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

LongIdentity

public LongIdentity(java.lang.Class pcClass,
                    long key)
Constructor with class and key.

Parameters:
pcClass - the class
key - the key

LongIdentity

public LongIdentity(java.lang.Class pcClass,
                    java.lang.Long key)
Constructor with class and key.

Parameters:
pcClass - the class
key - the key

LongIdentity

public LongIdentity(java.lang.Class pcClass,
                    java.lang.String str)
Constructor with class and key.

Parameters:
pcClass - the class
str - the key

LongIdentity

public LongIdentity()
Constructor only for Externalizable.

Method Detail

getKey

public long getKey()
Return the key.

Returns:
the key

toString

public java.lang.String toString()
Return the String form of the key.

Overrides:
toString in class java.lang.Object
Returns:
the String form of the key

equals

public boolean equals(java.lang.Object obj)
Determine if the other object represents the same object id.

Overrides:
equals in class SingleFieldIdentity
Parameters:
obj - the other object
Returns:
true if both objects represent the same object id

createKeyAsObject

protected java.lang.Object createKeyAsObject()
Create the key as an Object.

Overrides:
createKeyAsObject in class SingleFieldIdentity
Returns:
the key as an Object
Since:
2.0

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException
Write this object. Write the superclass first.

Specified by:
writeExternal in interface java.io.Externalizable
Overrides:
writeExternal in class SingleFieldIdentity
Parameters:
out - the output
Throws:
java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
Read this object. Read the superclass first.

Specified by:
readExternal in interface java.io.Externalizable
Overrides:
readExternal in class SingleFieldIdentity
Parameters:
in - the input
Throws:
java.io.IOException
java.lang.ClassNotFoundException


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