Class ReferenceAdapterV2<T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest>
- java.lang.Object
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- javax.xml.bind.annotation.adapters.XmlAdapter<T,T>
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- org.eclipse.persistence.jpa.rs.util.xmladapters.ReferenceAdapterV2<T>
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- Type Parameters:
T- entity class of this adapter
public class ReferenceAdapterV2<T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest> extends XmlAdapter<T,T>
Reference adapter used in JPARS V2. Main purpose of this adapter is retrieving an entity by link when unmarshalling.- Author:
- Dmitry Kornilov
- Since:
- EclipseLink 2.6.0
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Field Summary
Fields Modifier and Type Field Description protected PersistenceContextcontext
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Constructor Summary
Constructors Constructor Description ReferenceAdapterV2()ReferenceAdapterV2(PersistenceContext context)Instantiates a new reference adapter.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Tmarshal(T o)Marshal just passes through.Tunmarshal(T o)If 'canonical' or 'self' link is present loads entity from the database.
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Field Detail
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context
protected PersistenceContext context
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Constructor Detail
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ReferenceAdapterV2
public ReferenceAdapterV2()
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ReferenceAdapterV2
public ReferenceAdapterV2(PersistenceContext context)
Instantiates a new reference adapter.- Parameters:
context- persistent context (mandatory)
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Method Detail
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marshal
public T marshal(T o) throws java.lang.Exception
Marshal just passes through.- Specified by:
marshalin classXmlAdapter<T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest,T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest>- Parameters:
o-- Returns:
- Throws:
java.lang.Exception
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unmarshal
public T unmarshal(T o) throws java.lang.Exception
If 'canonical' or 'self' link is present loads entity from the database. Otherwise uses data provided.- Specified by:
unmarshalin classXmlAdapter<T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest,T extends org.eclipse.persistence.internal.weaving.PersistenceWeavedRest>- Parameters:
o- The value to be converted. Can be null.- Throws:
java.lang.Exception- if there's an error during the conversion. The caller is responsible for reporting the error to the user throughValidationEventHandler.
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