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JPAIdentityGenerator (JBoss Seam API Documentation) - JBoss Seam 1.1.1 API 英文版文档


org.jboss.seam.security.acl
Class JPAIdentityGenerator

java.lang.Object
  extended by org.jboss.seam.security.acl.JPAIdentityGenerator
All Implemented Interfaces:
IdentityGenerator

public class JPAIdentityGenerator
extends Object
implements IdentityGenerator

Generates ACL identities for JPA entity classes. The toString() method of the value returned by the identifier method (or field) should return an accurate representation of the identifier's value. In the case of composite identifiers, a recommended approach is to return the constituent values in delimited form.

Author:
Shane Bryzak

Constructor Summary
JPAIdentityGenerator()
           
 
Method Summary
 String generateIdentity(Object obj)
          Returns a String representation of an object's identity.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JPAIdentityGenerator

public JPAIdentityGenerator()
Method Detail

generateIdentity

public String generateIdentity(Object obj)
Returns a String representation of an object's identity. If the object has no identity, null is returned.

Specified by:
generateIdentity in interface IdentityGenerator
Parameters:
obj - Object The object to return an identity for.
Returns:
String The generated identity for the specified object, or null if the object has no identity.