下面列出了javax.persistence.Embeddable#javax.persistence.ElementCollection 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
protected boolean isJpaLazy(Collection<Annotation> annotations, boolean isAssociation) {
for (Annotation annotation : annotations) {
if (annotation instanceof OneToMany) {
OneToMany oneToMany = (OneToMany) annotation;
return oneToMany.fetch() == FetchType.LAZY;
}
if (annotation instanceof ManyToOne) {
ManyToOne manyToOne = (ManyToOne) annotation;
return manyToOne.fetch() == FetchType.LAZY;
}
if (annotation instanceof ManyToMany) {
ManyToMany manyToMany = (ManyToMany) annotation;
return manyToMany.fetch() == FetchType.LAZY;
}
if (annotation instanceof ElementCollection) {
ElementCollection elementCollection = (ElementCollection) annotation;
return elementCollection.fetch() == FetchType.LAZY;
}
}
return isAssociation;
}
@Override
public Optional<SerializeType> getSerializeType(BeanAttributeInformation attributeDesc) {
Optional<OneToMany> oneToMany = attributeDesc.getAnnotation(OneToMany.class);
if (oneToMany.isPresent()) {
return toSerializeType(oneToMany.get().fetch());
}
Optional<ManyToOne> manyToOne = attributeDesc.getAnnotation(ManyToOne.class);
if (manyToOne.isPresent()) {
return toSerializeType(manyToOne.get().fetch());
}
Optional<ManyToMany> manyToMany = attributeDesc.getAnnotation(ManyToMany.class);
if (manyToMany.isPresent()) {
return toSerializeType(manyToMany.get().fetch());
}
Optional<ElementCollection> elementCollection = attributeDesc.getAnnotation(ElementCollection.class);
if (elementCollection.isPresent()) {
return toSerializeType(elementCollection.get().fetch());
}
return Optional.empty();
}
private static void bindCollectionSecondPass(
Collection collValue,
PersistentClass collectionEntity,
Ejb3JoinColumn[] joinColumns,
boolean cascadeDeleteEnabled,
XProperty property,
PropertyHolder propertyHolder,
MetadataBuildingContext buildingContext) {
try {
BinderHelper.createSyntheticPropertyReference(
joinColumns,
collValue.getOwner(),
collectionEntity,
collValue,
false,
buildingContext
);
}
catch (AnnotationException ex) {
throw new AnnotationException( "Unable to map collection " + collValue.getOwner().getClassName() + "." + property.getName(), ex );
}
SimpleValue key = buildCollectionKey( collValue, joinColumns, cascadeDeleteEnabled, property, propertyHolder, buildingContext );
if ( property.isAnnotationPresent( ElementCollection.class ) && joinColumns.length > 0 ) {
joinColumns[0].setJPA2ElementCollection( true );
}
TableBinder.bindFk( collValue.getOwner(), collectionEntity, joinColumns, key, false, buildingContext );
}
/**
* As per sections 12.2.3.23.9, 12.2.4.8.9 and 12.2.5.3.6 of the JPA 2.0
* specification, the element-collection subelement completely overrides the
* mapping for the specified field or property. Thus, any methods which
* might in some contexts merge with annotations must not do so in this
* context.
*/
private void getElementCollection(List<Annotation> annotationList, XMLContext.Default defaults) {
for ( Element element : elementsForProperty ) {
if ( "element-collection".equals( element.getName() ) ) {
AnnotationDescriptor ad = new AnnotationDescriptor( ElementCollection.class );
addTargetClass( element, ad, "target-class", defaults );
getFetchType( ad, element );
getOrderBy( annotationList, element );
getOrderColumn( annotationList, element );
getMapKey( annotationList, element );
getMapKeyClass( annotationList, element, defaults );
getMapKeyTemporal( annotationList, element );
getMapKeyEnumerated( annotationList, element );
getMapKeyColumn( annotationList, element );
buildMapKeyJoinColumns( annotationList, element );
Annotation annotation = getColumn( element.element( "column" ), false, element );
addIfNotNull( annotationList, annotation );
getTemporal( annotationList, element );
getEnumerated( annotationList, element );
getLob( annotationList, element );
//Both map-key-attribute-overrides and attribute-overrides
//translate into AttributeOverride annotations, which need
//need to be wrapped in the same AttributeOverrides annotation.
List<AttributeOverride> attributes = new ArrayList<>();
attributes.addAll( buildAttributeOverrides( element, "map-key-attribute-override" ) );
attributes.addAll( buildAttributeOverrides( element, "attribute-override" ) );
annotation = mergeAttributeOverrides( defaults, attributes, false );
addIfNotNull( annotationList, annotation );
annotation = getAssociationOverrides( element, defaults, false );
addIfNotNull( annotationList, annotation );
getCollectionTable( annotationList, element, defaults );
annotationList.add( AnnotationFactory.create( ad ) );
getAccessType( annotationList, element );
}
}
}
@ElementCollection
@MapKeyColumn(name = "parameters_idx")
@Column(name = "parameters_elt")
@CollectionTable(name = "info_parameters")
public Map<String, String> getParameters() {
return parameters;
}
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(name = "MCRUserAttr",
joinColumns = @JoinColumn(name = "id"),
indexes = { @Index(name = "MCRUserAttributes", columnList = "name, value"),
@Index(name = "MCRUserValues", columnList = "value") })
@SortNatural
@XmlElementWrapper(name = "attributes")
@XmlElement(name = "attribute")
public SortedSet<MCRUserAttribute> getAttributes() {
return this.attributes;
}
/**
* Returns all set parameters of the job.
*
* @return the job parameters
*/
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(name = "MCRJobParameter", joinColumns = @JoinColumn(name = "jobID"))
@MapKeyColumn(name = "paramKey", length = 128)
@Column(name = "paramValue", length = 255)
public Map<String, String> getParameters() {
return parameters;
}
@Override
@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "MCRCategoryLabels",
joinColumns = @JoinColumn(name = "category"),
uniqueConstraints = {
@UniqueConstraint(columnNames = { "category", "lang" }) })
public Set<MCRLabel> getLabels() {
return super.getLabels();
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute", insertable=false,updatable=false)
@Column(name="value")
@CollectionTable(name="timing_location_input_attributes", [email protected](name="tli_id"))
@OrderColumn(name = "index_id")
public Map<String, String> getAttributes() {
//System.out.println("TLI.getAttributes called, returning " + attributes.size() + " attributes");
return attributes;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="chip", insertable=false,updatable=false)
@Column(name="bib")
@CollectionTable(name="bib2chipmap", [email protected](name="bib2chip_id"))
public Map<String, String> getChip2BibMap() {
//System.out.println("TLI.getAttributes called, returning " + attributes.size() + " attributes");
return chip2bibMap;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute_id")
@Column(name="attribute_value")
@CollectionTable(name="participant_attributes", [email protected](name="participant_id"))
public Map<Integer,String> getCustomAttributes(){
return customAttributeMap;
}
@ElementCollection(fetch = FetchType.EAGER)
@Column(name="wave_id", nullable=false)
@CollectionTable(name="part2wave", [email protected](name="participant_id"))
// @OrderColumn(name = "index_id")
public Set<Integer> getWaveIDs() {
return waveIDSet;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute", insertable=false,updatable=false)
@Column(name="value")
@CollectionTable(name="event_options_attributes", [email protected](name="event_id"))
//@OrderColumn(name = "index_id")
private Map<String, String> getAttributes() {
System.out.println("EventOptions::getAttributes()");
attributes.keySet().forEach(k -> {
System.out.println(" " + k + " -> " + attributes.get(k));
});
return attributes;
}
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(
name="race_award_category_depths",
[email protected](name="ac_id")
)
protected List<AwardDepth> getCustomDepthList(){
return customDepthList;
}
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(
name="race_award_category_filters",
[email protected](name="ac_id")
)
protected List<AwardFilter> getFilterList(){
return filters;
}
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(
name="race_award_category_subdivide_list",
[email protected](name="ac_id")
)
@Column(name="attribute")
protected Set<String> getSubDivideList(){
return splitBy;
}
@ElementCollection(fetch = FetchType.EAGER)
@OneToMany(mappedBy="raceAward",cascade={CascadeType.PERSIST, CascadeType.REMOVE},fetch = FetchType.EAGER)
@Fetch(FetchMode.SELECT)
@OrderColumn(name = "category_priority")
public List<AwardCategory> getAwardCategories(){
return awardCategories;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute", insertable=false,updatable=false)
@Column(name="value")
@CollectionTable(name="race_awards_attributes", [email protected](name="race_id"))
@OrderColumn(name = "index_id")
private Map<String, String> getAttributes() {
return attributes;
}
@ElementCollection(fetch = FetchType.EAGER)
@CollectionTable(
name="race_age_group_increments",
[email protected](name="ag_id")
)
protected List<AgeGroupIncrement> getCustomIncrementsList(){
return customIncrementList;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute", insertable=false,updatable=false)
@Column(name="value")
@CollectionTable(name="race_attributes", [email protected](name="race_id"))
private Map<String, String> getAttributes() {
return attributes;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="attribute", insertable=false,updatable=false)
@Column(name="value")
@CollectionTable(name="race_output_attributes", [email protected](name="output_id"))
@OrderColumn(name = "id")
private Map<String, String> getAttributes() {
return attributes;
}
@ElementCollection(fetch = FetchType.EAGER)
@MapKeyColumn(name="split_id", insertable=false,updatable=false)
@Column(name="split_time",nullable=false)
@CollectionTable(name="split_results", [email protected](name="result_id"))
public Map<Integer,Long> getSplitMap(){
return splitMap;
}
private boolean hasJpaAnnotations(MetaAttribute attribute) {
List<Class<? extends Annotation>> annotationClasses = Arrays.asList(Id.class, EmbeddedId.class, Column.class,
ManyToMany.class, ManyToOne.class, OneToMany.class, OneToOne.class, Version.class,
ElementCollection.class);
for (Class<? extends Annotation> annotationClass : annotationClasses) {
if (attribute.getAnnotation(annotationClass) != null) {
return true;
}
}
return false;
}
@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "TASK_DATA_DEPENDENCIES", joinColumns = { @JoinColumn(name = "JOB_ID", referencedColumnName = "TASK_ID_JOB"),
@JoinColumn(name = "TASK_ID", referencedColumnName = "TASK_ID_TASK") }, indexes = { @Index(name = "TASK_DATA_DEP_JOB_ID", columnList = "JOB_ID"),
@Index(name = "TASK_DATA_DEP_TASK_ID_JOB_ID", columnList = "TASK_ID,JOB_ID"),
@Index(name = "TASK_DATA_DEP_TASK_ID", columnList = "TASK_ID"), })
@BatchSize(size = 100)
public List<DBTaskId> getDependentTasks() {
return dependentTasks;
}
@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "TASK_DATA_JOINED_BRANCHES", joinColumns = { @JoinColumn(name = "JOB_ID", referencedColumnName = "TASK_ID_JOB"),
@JoinColumn(name = "TASK_ID", referencedColumnName = "TASK_ID_TASK") }, indexes = { @Index(name = "TASK_DATA_JB_JOB_ID", columnList = "JOB_ID"),
@Index(name = "TASK_DATA_JB_TASK_ID_JOB_ID", columnList = "TASK_ID,JOB_ID"),
@Index(name = "TASK_DATA_JB_TASK_ID", columnList = "TASK_ID"), })
@BatchSize(size = 100)
public List<DBTaskId> getJoinedBranches() {
return joinedBranches;
}
@ElementCollection(targetClass = Role.class, fetch = FetchType.EAGER)
@CollectionTable(name = "USER_ROLES", joinColumns = @JoinColumn(name = "USER_ID"))
@Enumerated(EnumType.STRING)
@Column(name = "role", nullable = false)
public Set<Role> getRoles() {
return roles;
}
@ElementCollection(targetClass = Permission.class, fetch = FetchType.EAGER)
@CollectionTable(name = "USER_PERMISSIONS", joinColumns = @JoinColumn(name = "USER_ID"))
@Enumerated(EnumType.STRING)
@Column(name = "permission", nullable = false)
public Set<Permission> getPermissions() {
return permissions;
}
public ColumnsBuilder extractMetadata() {
columns = null;
joinColumns = buildExplicitJoinColumns(property, inferredData);
if ( property.isAnnotationPresent( Column.class ) || property.isAnnotationPresent( Formula.class ) ) {
Column ann = property.getAnnotation( Column.class );
Formula formulaAnn = property.getAnnotation( Formula.class );
columns = Ejb3Column.buildColumnFromAnnotation(
new Column[] { ann },
formulaAnn,
nullability,
propertyHolder,
inferredData,
entityBinder.getSecondaryTables(),
buildingContext
);
}
else if ( property.isAnnotationPresent( Columns.class ) ) {
Columns anns = property.getAnnotation( Columns.class );
columns = Ejb3Column.buildColumnFromAnnotation(
anns.columns(),
null,
nullability,
propertyHolder,
inferredData,
entityBinder.getSecondaryTables(),
buildingContext
);
}
//set default values if needed
if ( joinColumns == null &&
( property.isAnnotationPresent( ManyToOne.class )
|| property.isAnnotationPresent( OneToOne.class ) )
) {
joinColumns = buildDefaultJoinColumnsForXToOne(property, inferredData);
}
else if ( joinColumns == null &&
( property.isAnnotationPresent( OneToMany.class )
|| property.isAnnotationPresent( ElementCollection.class )
) ) {
OneToMany oneToMany = property.getAnnotation( OneToMany.class );
String mappedBy = oneToMany != null ?
oneToMany.mappedBy() :
"";
joinColumns = Ejb3JoinColumn.buildJoinColumns(
null,
mappedBy,
entityBinder.getSecondaryTables(),
propertyHolder,
inferredData.getPropertyName(),
buildingContext
);
}
else if ( joinColumns == null && property.isAnnotationPresent( org.hibernate.annotations.Any.class ) ) {
throw new AnnotationException( "@Any requires an explicit @JoinColumn(s): "
+ BinderHelper.getPath( propertyHolder, inferredData ) );
}
if ( columns == null && !property.isAnnotationPresent( ManyToMany.class ) ) {
//useful for collection of embedded elements
columns = Ejb3Column.buildColumnFromAnnotation(
null,
null,
nullability,
propertyHolder,
inferredData,
entityBinder.getSecondaryTables(),
buildingContext
);
}
if ( nullability == Nullability.FORCED_NOT_NULL ) {
//force columns to not null
for (Ejb3Column col : columns ) {
col.forceNotNull();
}
}
return this;
}
private void defineFetchingStrategy() {
LazyCollection lazy = property.getAnnotation( LazyCollection.class );
Fetch fetch = property.getAnnotation( Fetch.class );
OneToMany oneToMany = property.getAnnotation( OneToMany.class );
ManyToMany manyToMany = property.getAnnotation( ManyToMany.class );
ElementCollection elementCollection = property.getAnnotation( ElementCollection.class );
ManyToAny manyToAny = property.getAnnotation( ManyToAny.class );
FetchType fetchType;
if ( oneToMany != null ) {
fetchType = oneToMany.fetch();
}
else if ( manyToMany != null ) {
fetchType = manyToMany.fetch();
}
else if ( elementCollection != null ) {
fetchType = elementCollection.fetch();
}
else if ( manyToAny != null ) {
fetchType = FetchType.LAZY;
}
else {
throw new AssertionFailure(
"Define fetch strategy on a property not annotated with @ManyToOne nor @OneToMany nor @CollectionOfElements"
);
}
if ( lazy != null ) {
collection.setLazy( !( lazy.value() == LazyCollectionOption.FALSE ) );
collection.setExtraLazy( lazy.value() == LazyCollectionOption.EXTRA );
}
else {
collection.setLazy( fetchType == FetchType.LAZY );
collection.setExtraLazy( false );
}
if ( fetch != null ) {
if ( fetch.value() == org.hibernate.annotations.FetchMode.JOIN ) {
collection.setFetchMode( FetchMode.JOIN );
collection.setLazy( false );
}
else if ( fetch.value() == org.hibernate.annotations.FetchMode.SELECT ) {
collection.setFetchMode( FetchMode.SELECT );
}
else if ( fetch.value() == org.hibernate.annotations.FetchMode.SUBSELECT ) {
collection.setFetchMode( FetchMode.SELECT );
collection.setSubselectLoadable( true );
collection.getOwner().setSubselectLoadableCollections( true );
}
else {
throw new AssertionFailure( "Unknown FetchMode: " + fetch.value() );
}
}
else {
collection.setFetchMode( AnnotationBinder.getFetchMode( fetchType ) );
}
}
/**
* look for @OneToMany, @ManyToMany and @ElementCollection annotations
*/
@Override
public boolean isMappedCollection(UnloadedField field) {
return field.hasAnnotation( OneToMany.class ) || field.hasAnnotation( ManyToMany.class ) || field.hasAnnotation( ElementCollection.class );
}