Package javax.persistence
Class Persistence.PersistenceUtilImpl
- java.lang.Object
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- javax.persistence.Persistence.PersistenceUtilImpl
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- All Implemented Interfaces:
PersistenceUtil
- Enclosing class:
- Persistence
private static class Persistence.PersistenceUtilImpl extends java.lang.Object implements PersistenceUtil
Implementation of PersistenceUtil interface- Since:
- Java Persistence 2.0
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Constructor Summary
Constructors Modifier Constructor Description private
PersistenceUtilImpl()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
isLoaded(java.lang.Object entity)
Determine the load state of an entity.boolean
isLoaded(java.lang.Object entity, java.lang.String attributeName)
Determine the load state of a given persistent attribute.
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Method Detail
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isLoaded
public boolean isLoaded(java.lang.Object entity, java.lang.String attributeName)
Description copied from interface:PersistenceUtil
Determine the load state of a given persistent attribute.- Specified by:
isLoaded
in interfacePersistenceUtil
- Parameters:
entity
- entity containing the attributeattributeName
- name of attribute whose load state is to be determined- Returns:
- false if entity's state has not been loaded or if the attribute state has not been loaded, else true
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isLoaded
public boolean isLoaded(java.lang.Object entity)
Description copied from interface:PersistenceUtil
Determine the load state of an entity. This method can be used to determine the load state of an entity passed as a reference. An entity is considered loaded if all attributes for whichFetchType.EAGER
has been specified have been loaded.The
isLoaded(Object, String)
method should be used to determine the load state of an attribute. Not doing so might lead to unintended loading of state.- Specified by:
isLoaded
in interfacePersistenceUtil
- Parameters:
entity
- whose load state is to be determined- Returns:
- false if the entity has not been loaded, else true
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