Package org.datanucleus.store.types.containers

Class OptionalHandler

java.lang.Object

org.datanucleus.store.types.containers.ElementContainerHandler<C,ElementContainerAdapter<C>>

org.datanucleus.store.types.containers.CollectionHandler<java.util.Optional>

org.datanucleus.store.types.containers.OptionalHandler

All Implemented Interfaces:

ContainerHandler<java.util.Optional,ElementContainerAdapter<java.util.Optional>>

public class OptionalHandler
extends CollectionHandler<java.util.Optional>

Constructor Summary

Constructors

Constructor	Description
OptionalHandler()

Method Summary

Modifier and Type	Method	Description
ElementContainerAdapter<java.util.Optional>	getAdapter(java.util.Optional container)
boolean	isDefaultFetchGroup(ClassLoaderResolver clr, TypeManager typeMgr, AbstractMemberMetaData mmd)	Default fetch group is defined by the type of the element.
java.util.Optional	newContainer(AbstractMemberMetaData mmm)
java.util.Optional	newContainer(AbstractMemberMetaData mmd, java.lang.Object... values)
void	populateMetaData(ClassLoaderResolver clr, java.lang.ClassLoader primary, AbstractMemberMetaData mmd)

Methods inherited from class org.datanucleus.store.types.containers.CollectionHandler

getElementType, getObjectType, isEmbedded, isSerialised, newMetaData

Methods inherited from class org.datanucleus.store.types.containers.ElementContainerHandler

copyMappedByDefinitionFromElement, getElementTypeName, moveColumnsToElement

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalHandler

public OptionalHandler()

Method Detail

newContainer

public java.util.Optional newContainer(AbstractMemberMetaData mmm)

getAdapter

public ElementContainerAdapter<java.util.Optional> getAdapter(java.util.Optional container)

newContainer

public java.util.Optional newContainer(AbstractMemberMetaData mmd,
                                       java.lang.Object... values)

Specified by:

newContainer in class ElementContainerHandler<java.util.Optional,ElementContainerAdapter<java.util.Optional>>

populateMetaData

public void populateMetaData(ClassLoaderResolver clr,
                             java.lang.ClassLoader primary,
                             AbstractMemberMetaData mmd)

Specified by:

populateMetaData in interface ContainerHandler<java.util.Optional,ElementContainerAdapter<java.util.Optional>>

Overrides:

populateMetaData in class CollectionHandler<java.util.Optional>

isDefaultFetchGroup

public boolean isDefaultFetchGroup(ClassLoaderResolver clr,
                                   TypeManager typeMgr,
                                   AbstractMemberMetaData mmd)

Default fetch group is defined by the type of the element.

Specified by:

isDefaultFetchGroup in interface ContainerHandler<java.util.Optional,ElementContainerAdapter<java.util.Optional>>

Overrides:

isDefaultFetchGroup in class CollectionHandler<java.util.Optional>