javax.jdo.identity.CharIdentity - JDO class

javax.jdo.identity
Class CharIdentity

java.lang.Object
    javax.jdo.identity.SingleFieldIdentity
        javax.jdo.identity.CharIdentity
Implemented Interfaces:
Externalizable, Serializable, Comparable
This class is for identity with a single character field.
Since:
JDO 1.0
CharIdentity()
Constructor only for Externalizable.
Constructor only for Externalizable.
Since:
JDO 1.0
CharIdentity(Class pcClass, char key)
Constructor with class and key.
Constructor with class and key.
Parameters:
pcClass - the target class
key - the key
Since:
JDO 1.0
CharIdentity(Class pcClass, String str)
Constructor with class and key.
Constructor with class and key. The String must have exactly one character.
Parameters:
pcClass - the target class
str - the key
Since:
JDO 1.0
CharIdentity(Class pcClass, Character key)
Constructor with class and key.
Constructor with class and key.
Parameters:
pcClass - the target class
key - the key
Since:
JDO 1.0
int compareTo(T arg0)
Parameters:
arg0 -
int compareTo(Object o)
Determine the ordering of identity objects.
Determine the ordering of identity objects.
Parameters:
o - Other identity
Returns:
The relative ordering between the objects
Since:
JDO 2.2
boolean equals(Object obj)
Determine if the other object represents the same object id.
Determine if the other object represents the same object id.
Parameters:
obj - the other object
Returns:
true if both objects represent the same object id
Since:
JDO 1.0
boolean equals(Object obj)
Check the class and class name and object type.
Check the class and class name and object type. If restored from serialization, class will be null so compare class name.
Parameters:
obj - the other object
Returns:
true if the class or class name is the same
Since:
JDO 1.0
char getKey()
Return the key.
Return the key.
Returns:
the key
Since:
JDO 1.0
Object getKeyAsObject()
Return the key as an Object.
Return the key as an Object. The method is synchronized to avoid race conditions in multi-threaded environments.
Returns:
the key as an Object.
Since:
JDO 2.0
Class getTargetClass()
Return the target class.
Return the target class.
Returns:
the target class.
Since:
JDO 2.0
String getTargetClassName()
Return the target class name.
Return the target class name.
Returns:
the target class name.
Since:
JDO 2.0
int hashCode()
Return the cached hash code.
Return the cached hash code.
Returns:
the cached hash code.
Since:
JDO 1.0
void readExternal(ObjectInput in)throws IOException, ClassNotFoundException
Read this object.
Read this object. Read the superclass first.
Parameters:
in - the input
Since:
JDO 1.0
String toString()
Return the String form of the key.
Return the String form of the key.
Returns:
the String form of the key
Since:
JDO 1.0
void writeExternal(ObjectOutput out)
Write this object.
Write this object. Write the superclass first.
Parameters:
out - the output
Since:
JDO 1.0
void readExternal(ObjectInput arg0)throws IOException, ClassNotFoundException
Parameters:
arg0 -
void writeExternal(ObjectOutput arg0)
Parameters:
arg0 -
^ Predefined ID ClassesIntIdentity >