本文整理匯總了Java中javax.persistence.OneToMany.mappedBy方法的典型用法代碼示例。如果您正苦於以下問題：Java OneToMany.mappedBy方法的具體用法？Java OneToMany.mappedBy怎麽用？Java OneToMany.mappedBy使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.persistence.OneToMany的用法示例。
在下文中一共展示了OneToMany.mappedBy方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getMappedBy
import javax.persistence.OneToMany; //導入方法依賴的package包/類
private String getMappedBy(MetaAttribute attr) {
ManyToMany manyManyAnnotation = attr.getAnnotation(ManyToMany.class);
OneToMany oneManyAnnotation = attr.getAnnotation(OneToMany.class);
OneToOne oneOneAnnotation = attr.getAnnotation(OneToOne.class);
String mappedBy = null;
if (manyManyAnnotation != null) {
mappedBy = manyManyAnnotation.mappedBy();
}
if (oneManyAnnotation != null) {
mappedBy = oneManyAnnotation.mappedBy();
}
if (oneOneAnnotation != null) {
mappedBy = oneOneAnnotation.mappedBy();
}
if (mappedBy != null && mappedBy.length() == 0) {
mappedBy = null;
}
return mappedBy;
}
示例2: extractMetadata
import javax.persistence.OneToMany; //導入方法依賴的package包/類
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(), mappings
);
}
else if ( property.isAnnotationPresent( Columns.class ) ) {
Columns anns = property.getAnnotation( Columns.class );
columns = Ejb3Column.buildColumnFromAnnotation(
anns.columns(), null,
nullability, propertyHolder, inferredData, entityBinder.getSecondaryTables(),
mappings
);
}
//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(), mappings
);
}
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(), mappings
);
}
if ( nullability == Nullability.FORCED_NOT_NULL ) {
//force columns to not null
for (Ejb3Column col : columns ) {
col.forceNotNull();
}
}
return this;
}