Package com.blazebit.persistence.spi

Interface JpaMetamodelAccessor

public interface JpaMetamodelAccessor

Since:

1.3.0

Author:

Jan-Willem Gmelig Meyling

Method Summary

Modifier and Type	Method	Description
AttributePath	getAttributePath(javax.persistence.metamodel.Metamodel metamodel, javax.persistence.metamodel.ManagedType<?> type, String attributePath)	Construct an AttributePath for a particular attribute in type.
AttributePath	getBasicAttributePath(javax.persistence.metamodel.Metamodel metamodel, javax.persistence.metamodel.ManagedType<?> type, String attributePath)	Construct an AttributePath for a particular basic attribute in type.
AttributePath	getJoinTableCollectionAttributePath(javax.persistence.metamodel.Metamodel metamodel, javax.persistence.metamodel.EntityType<?> type, String attributePath, String collectionName)	Construct an AttributePath for a particular collection attribute in type.
boolean	isCompositeNode(javax.persistence.metamodel.Attribute<?,?> attr)	Returns true if the attribute is composite (i.e. embeddable).
boolean	isElementCollection(javax.persistence.metamodel.Attribute<?,?> attribute)	Returns whether the given attribute is an element collection.
boolean	isJoinable(javax.persistence.metamodel.Attribute<?,?> attr)	Returns true if the attribute is joinable (i.e. association).

Method Detail

getAttributePath

AttributePath getAttributePath(javax.persistence.metamodel.Metamodel metamodel,
                               javax.persistence.metamodel.ManagedType<?> type,
                               String attributePath)

Construct an AttributePath for a particular attribute in type.

Parameters:

metamodel - JPA metamodel

type - Owning type

attributePath - The attribute path

Returns:

The created attribute path

getBasicAttributePath

AttributePath getBasicAttributePath(javax.persistence.metamodel.Metamodel metamodel,
                                    javax.persistence.metamodel.ManagedType<?> type,
                                    String attributePath)

Construct an AttributePath for a particular basic attribute in type.

Parameters:

metamodel - JPA metamodel

type - Owning type

attributePath - The attribute path

Returns:

The created attribute path

getJoinTableCollectionAttributePath

AttributePath getJoinTableCollectionAttributePath(javax.persistence.metamodel.Metamodel metamodel,
                                                  javax.persistence.metamodel.EntityType<?> type,
                                                  String attributePath,
                                                  String collectionName)

Construct an AttributePath for a particular collection attribute in type.

Parameters:

metamodel - JPA metamodel

type - Owning type

attributePath - The attribute path

collectionName - The name of the collection

Returns:

The created attribute path

isJoinable

boolean isJoinable(javax.persistence.metamodel.Attribute<?,?> attr)

Returns true if the attribute is joinable (i.e. association).

Parameters:

attr - The attribute

Returns:

Whether the attribute is joinable

isCompositeNode

boolean isCompositeNode(javax.persistence.metamodel.Attribute<?,?> attr)

Returns true if the attribute is composite (i.e. embeddable).

Parameters:

attr - The attribute

Returns:

Whether the attribute is composite

isElementCollection

boolean isElementCollection(javax.persistence.metamodel.Attribute<?,?> attribute)

Returns whether the given attribute is an element collection.

Parameters:

attribute - The attribute to check

Returns:

true if the attribute is an element collection, false otherwise