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java.lang.Objectorg.apache.openjpa.persistence.OpenJPAPersistenceUtil
public class OpenJPAPersistenceUtil
Constructor Summary | |
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OpenJPAPersistenceUtil()
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Method Summary | |
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static Object |
getIdentifier(Object entity)
Returns the identifier of the persistent entity. |
static Object |
getIdentifier(OpenJPAEntityManagerFactory emf,
Object entity)
Get the object identifier for a persistent entity managed by one of the entity managers of the specified entity manager factory. |
static LoadState |
isLoaded(Object obj,
String attr)
Determines whether the attribute on the specified object is loaded. |
static LoadState |
isLoaded(OpenJPAEntityManagerFactory emf,
Object obj,
String attr)
Determines whether the attribute on the specified object is loaded and is managed by one of the entity managers of the specified entity manager factory. |
static boolean |
isManagedBy(OpenJPAEntityManagerFactory emf,
Object entity)
Determines whether the specified state manager is managed by a broker within the persistence unit of this utility instance. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public OpenJPAPersistenceUtil()
Method Detail |
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public static Object getIdentifier(Object entity)
entity
-
public static Object getIdentifier(OpenJPAEntityManagerFactory emf, Object entity)
public static boolean isManagedBy(OpenJPAEntityManagerFactory emf, Object entity)
sm
- StateManager
public static LoadState isLoaded(Object obj, String attr)
public static LoadState isLoaded(OpenJPAEntityManagerFactory emf, Object obj, String attr)
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