/**
* 一対一の関連を処理します。
*
* @param propertyMeta プロパティメタデータ
* @param field フィールド
* @param entityMeta エンティティメタデータ
* @param oneToOne 一対一関連
*/
protected void doOneToOne(
PropertyMeta propertyMeta, Field field, EntityMeta entityMeta, OneToOne oneToOne) {
propertyMeta.setRelationshipType(RelationshipType.ONE_TO_ONE);
Class<?> relationshipClass = field.getType();
if (relationshipClass.getAnnotation(Entity.class) == null) {
throw new RelationshipNotEntityRuntimeException(
entityMeta.getName(), propertyMeta.getName(), relationshipClass);
}
propertyMeta.setRelationshipClass(relationshipClass);
String mappedBy = oneToOne.mappedBy();
if (!StringUtil.isEmpty(mappedBy)) {
if (propertyMeta.getJoinColumnMetaList().size() > 0) {
throw new BothMappedByAndJoinColumnRuntimeException(
entityMeta.getName(), propertyMeta.getName());
}
propertyMeta.setMappedBy(mappedBy);
}
}
public void initializeClassMapping(
Class javaClass, MappingContext context, ClassMapping mapping) {
if (properties.containsKey(javaClass)) {
return;
}
List<PersistentProperty> persistentProperties = new ArrayList<PersistentProperty>();
Set<Class> owners = new HashSet<Class>();
properties.put(javaClass, persistentProperties);
owningEntities.put(javaClass, owners);
final ClassPropertyFetcher cpf = ClassPropertyFetcher.forClass(javaClass);
final PersistentEntity owner = getPersistentEntity(javaClass, context, mapping);
for (PropertyDescriptor propertyDescriptor : cpf.getPropertyDescriptors()) {
if (propertyDescriptor.getReadMethod() != null
&& propertyDescriptor.getWriteMethod() != null) {
Field field;
try {
field = cpf.getDeclaredField(propertyDescriptor.getName());
} catch (Exception e) {
continue;
}
if (field != null) {
if (field.getAnnotation(Basic.class) != null
|| field.getAnnotation(Temporal.class) != null
|| field.getAnnotation(Version.class) != null) {
persistentProperties.add(
propertyFactory.createSimple(owner, context, propertyDescriptor));
} else if (field.getAnnotation(Id.class) != null) {
identities.put(
javaClass, propertyFactory.createIdentity(owner, context, propertyDescriptor));
} else if (field.getAnnotation(Embedded.class) != null) {
final org.grails.datastore.mapping.model.types.Embedded embeddedProperty =
propertyFactory.createEmbedded(owner, context, propertyDescriptor);
embeddedProperty.setAssociatedEntity(
getOrCreateAssociatedEntity(context, field.getType()));
persistentProperties.add(embeddedProperty);
} else if (field.getAnnotation(OneToOne.class) != null) {
OneToOne one2one = field.getAnnotation(OneToOne.class);
if (one2one.mappedBy() != null && one2one.targetEntity() != null) {
owners.add(one2one.targetEntity());
}
final ToOne oneToOneProperty =
propertyFactory.createOneToOne(owner, context, propertyDescriptor);
oneToOneProperty.setAssociatedEntity(
getOrCreateAssociatedEntity(context, field.getType()));
persistentProperties.add(oneToOneProperty);
} else if (field.getAnnotation(OneToMany.class) != null) {
OneToMany one2m = field.getAnnotation(OneToMany.class);
if (one2m.mappedBy() != null && one2m.targetEntity() != null) {
owners.add(one2m.targetEntity());
}
final org.grails.datastore.mapping.model.types.OneToMany oneToManyProperty =
propertyFactory.createOneToMany(owner, context, propertyDescriptor);
oneToManyProperty.setAssociatedEntity(
getOrCreateAssociatedEntity(context, one2m.targetEntity()));
persistentProperties.add(oneToManyProperty);
} else if (field.getAnnotation(ManyToMany.class) != null) {
ManyToMany m2m = field.getAnnotation(ManyToMany.class);
if (m2m.mappedBy() != null && m2m.targetEntity() != null) {
owners.add(m2m.targetEntity());
}
final org.grails.datastore.mapping.model.types.ManyToMany manyToManyProperty =
propertyFactory.createManyToMany(owner, context, propertyDescriptor);
manyToManyProperty.setAssociatedEntity(
getOrCreateAssociatedEntity(context, m2m.targetEntity()));
persistentProperties.add(manyToManyProperty);
} else if (field.getAnnotation(ManyToOne.class) != null) {
final ToOne manyToOneProperty =
propertyFactory.createManyToOne(owner, context, propertyDescriptor);
manyToOneProperty.setAssociatedEntity(
getOrCreateAssociatedEntity(context, field.getType()));
persistentProperties.add(manyToOneProperty);
} else if (field.getAnnotation(Transient.class) == null) {
persistentProperties.add(
propertyFactory.createSimple(owner, context, propertyDescriptor));
}
}
}
}
}