Package com.sap.olingo.jpa.metadata.core.edm.mapper.api

Interface JPACollectionAttribute

All Superinterfaces:

JPAAttribute, JPAElement

public interface JPACollectionAttribute
extends JPAAttribute

Method Summary

Modifier and Type	Method	Description
JPAAssociationPath	asAssociation()
JPAAttribute	getTargetAttribute()	Returns for simple collections attributes the corresponding attribute of the target entity type.

Methods inherited from interface com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAAttribute

getConverter, getEdmType, getProperty, getProtectionClaimNames, getProtectionPath, getStructuredType, getType, hasProtection, isAssociation, isCollection, isComplex, isEnum, isEtag, isKey, isSearchable

Methods inherited from interface com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAElement

getExternalFQN, getExternalName, getInternalName

Method Details

asAssociation

JPAAssociationPath asAssociation()
                          throws ODataJPAModelException

Throws:

ODataJPAModelException

getTargetAttribute

JPAAttribute getTargetAttribute()
                         throws ODataJPAModelException

Returns for simple collections attributes the corresponding attribute of the target entity type. E.g. the following property definition:

@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "\"Comment\"",
joinColumns = @@JoinColumn(name = "\"BusinessPartnerID\""))
@Column(name = "\"Text\"")
private List comment = new ArrayList<>();

creates a simple collection attribute. For this collection attribute jpa processor requires that a corresponding entity exists. This entity has to have a property pointing to the same database column, which is returned.

Returns:

In case of simple collections attributes the corresponding attribute of the target entity type otherwise null.

Throws:

ODataJPAModelException