Package io.jmix.core.impl

Class CachingLoadedPropertiesInfo

java.lang.Object

io.jmix.core.impl.CachingLoadedPropertiesInfo

All Implemented Interfaces:

LoadedPropertiesInfo, Serializable

public class CachingLoadedPropertiesInfo
extends Object
implements LoadedPropertiesInfo

Implementation of LoadedPropertiesInfo that caches information about loaded properties to avoid expensive operations for the same instance and property.

Used by default for JPA entities.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
CachingLoadedPropertiesInfo()

Method Summary

Modifier and Type	Method	Description
LoadedPropertiesInfo	copy()
boolean	isLoaded(Object entity, String property, PersistentAttributesLoadChecker checker)	Checks whether the property is loaded from the data store.
EntityStates.PropertyLoadedState	isLoadedSafe(Object entity, String property, PersistentAttributesLoadChecker checker)	Checks whether the property is loaded from the data store without risking fetching it.
void	registerProperty(String name, boolean loaded)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CachingLoadedPropertiesInfo

public CachingLoadedPropertiesInfo()

Method Details

isLoaded

public boolean isLoaded(Object entity,
 String property,
 PersistentAttributesLoadChecker checker)

Description copied from interface: LoadedPropertiesInfo

Checks whether the property is loaded from the data store. This may trigger fetching of the property if its state cannot be determined using standard mechanisms.

Specified by:

isLoaded in interface LoadedPropertiesInfo

See Also:

• EntityStates.isLoaded(Object, String)

isLoadedSafe

public EntityStates.PropertyLoadedState isLoadedSafe(Object entity,
 String property,
 PersistentAttributesLoadChecker checker)

Description copied from interface: LoadedPropertiesInfo

Checks whether the property is loaded from the data store without risking fetching it.

Specified by:

isLoadedSafe in interface LoadedPropertiesInfo

See Also:

• EntityStates.isLoaded(Object, String)

registerProperty

public void registerProperty(String name,
 boolean loaded)

Specified by:

registerProperty in interface LoadedPropertiesInfo

copy

public LoadedPropertiesInfo copy()

Specified by:

copy in interface LoadedPropertiesInfo