Package javax.jdo.identity
Class LongIdentity
- java.lang.Object
-
- javax.jdo.identity.SingleFieldIdentity
-
- javax.jdo.identity.LongIdentity
-
- All Implemented Interfaces:
java.io.Externalizable
,java.io.Serializable
,java.lang.Comparable
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 Modifier and Type Field Description private long
key
The key.-
Fields inherited from class javax.jdo.identity.SingleFieldIdentity
hashCode, keyAsObject, msg
-
-
Constructor Summary
Constructors Constructor Description 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
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
compareTo(java.lang.Object o)
Determine the ordering of identity objects.private void
construct(long key)
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, compare, getKeyAsObject, getTargetClass, getTargetClassName, hashClassName, hashCode, setKeyAsObject
-
-
-
-
Constructor Detail
-
LongIdentity
public LongIdentity(java.lang.Class pcClass, long key)
Constructor with class and key.- Parameters:
pcClass
- the classkey
- the key
-
LongIdentity
public LongIdentity(java.lang.Class pcClass, java.lang.Long key)
Constructor with class and key.- Parameters:
pcClass
- the classkey
- the key
-
LongIdentity
public LongIdentity(java.lang.Class pcClass, java.lang.String str)
Constructor with class and key.- Parameters:
pcClass
- the classstr
- the key
-
LongIdentity
public LongIdentity()
Constructor only for Externalizable.
-
-
Method Detail
-
construct
private void construct(long key)
-
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 classjava.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 classSingleFieldIdentity
- Parameters:
obj
- the other object- Returns:
- true if both objects represent the same object id
-
compareTo
public int compareTo(java.lang.Object o)
Determine the ordering of identity objects.- Parameters:
o
- Other identity- Returns:
- The relative ordering between the objects
- Since:
- 2.2
-
createKeyAsObject
protected java.lang.Object createKeyAsObject()
Create the key as an Object.- Overrides:
createKeyAsObject
in classSingleFieldIdentity
- 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 interfacejava.io.Externalizable
- Overrides:
writeExternal
in classSingleFieldIdentity
- 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 interfacejava.io.Externalizable
- Overrides:
readExternal
in classSingleFieldIdentity
- Parameters:
in
- the input- Throws:
java.io.IOException
java.lang.ClassNotFoundException
-
-