JOPALazyUtils (JOPA 2.7.2 API)

java.lang.Object

cz.cvut.kbss.jopa.utils.JOPALazyUtils

public class JOPALazyUtils extends Object

Utilities related to lazy loading.

Method Summary

Modifier and Type

Method

Description

static Class<?>

getClass(Object proxy)

Gets the class represented by the specified lazy loading proxy.

static boolean

isLazyLoadingProxy(Object object)

Checks if this specified object is a lazy loading proxy (instance of LazyLoadingProxy).

static boolean

isLoaded(Object proxy)

Checks whether the specified object has been loaded or is still a lazy loading proxy.

static void

load(Object proxy)

Triggers loading on the specified lazy loading proxy.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- isLazyLoadingProxy
  
  public static boolean isLazyLoadingProxy(Object object)
  
  Checks if this specified object is a lazy loading proxy (instance of LazyLoadingProxy).
  
  Parameters:
  
  object - Object to investigate
  
  Returns:
  
  true if argument is lazy loading proxy, false otherwise
- load
  
  public static void load(Object proxy)
  
  Triggers loading on the specified lazy loading proxy.
  If the specified object is not a LazyLoadingProxy or is a proxy that is already loaded, nothing happens.
  
  Parameters:
  
  proxy - Proxy to load
- isLoaded
  
  public static boolean isLoaded(Object proxy)
  
  Checks whether the specified object has been loaded or is still a lazy loading proxy.
  
  Parameters:
  
  proxy - Proxy to check
  
  Returns:
  
  true if the object is a LazyLoadingProxy and is not loaded, false otherwise
- getClass
  
  public static Class<?> getClass(Object proxy)
  
  Gets the class represented by the specified lazy loading proxy.
  If the specified object proxies an entity, the corresponding entity class is returned. If the object proxies a collection, the corresponding interface is returned. If the specified object is not a LazyLoadingProxy, its runtime class is returned.
  
  Parameters:
  
  proxy - Proxy whose class to get
  
  Returns:
  
  Runtime class unwrapped from a lazy loading proxy