public void addColumn(Column column) {
if (!columns.contains(column)) {
columns.add(column);
}
column.setValue(this);
column.setTypeIndex(columns.size() - 1);
}
/** Shallow copy, the value is not copied */
protected Object clone() {
Column copy = new Column();
copy.setLength(length);
copy.setScale(scale);
copy.setValue(value);
copy.setTypeIndex(typeIndex);
copy.setName(getQuotedName());
copy.setNullable(nullable);
copy.setPrecision(precision);
copy.setUnique(unique);
copy.setSqlType(sqlType);
copy.setSqlTypeCode(sqlTypeCode);
copy.uniqueInteger = uniqueInteger; // usually useless
copy.setCheckConstraint(checkConstraint);
copy.setComment(comment);
copy.setDefaultValue(defaultValue);
copy.setCustomRead(customRead);
copy.setCustomWrite(customWrite);
return copy;
}
/**
* Builds the <code>Join</code> instance for the mapped by side of a <i>OneToOne</i> association
* using a join tables.
*
* <p>Note:<br>
*
* <ul>
* <li>From the mappedBy side we should not create the PK nor the FK, this is handled from the
* other side.
* <li>This method is a dirty dupe of EntityBinder.bindSecondaryTable</i>.
*/
private Join buildJoinFromMappedBySide(
PersistentClass persistentClass, Property otherSideProperty, Join originalJoin) {
Join join = new Join();
join.setPersistentClass(persistentClass);
// no check constraints available on joins
join.setTable(originalJoin.getTable());
join.setInverse(true);
SimpleValue key =
new DependantValue(mappings, join.getTable(), persistentClass.getIdentifier());
// TODO support @ForeignKey
join.setKey(key);
join.setSequentialSelect(false);
// TODO support for inverse and optional
join.setOptional(true); // perhaps not quite per-spec, but a Good Thing anyway
key.setCascadeDeleteEnabled(false);
Iterator mappedByColumns = otherSideProperty.getValue().getColumnIterator();
while (mappedByColumns.hasNext()) {
Column column = (Column) mappedByColumns.next();
Column copy = new Column();
copy.setLength(column.getLength());
copy.setScale(column.getScale());
copy.setValue(key);
copy.setName(column.getQuotedName());
copy.setNullable(column.isNullable());
copy.setPrecision(column.getPrecision());
copy.setUnique(column.isUnique());
copy.setSqlType(column.getSqlType());
copy.setCheckConstraint(column.getCheckConstraint());
copy.setComment(column.getComment());
copy.setDefaultValue(column.getDefaultValue());
key.addColumn(copy);
}
persistentClass.addJoin(join);
return join;
}
@SuppressWarnings({"unchecked"})
public void doSecondPass(Map persistentClasses) throws MappingException {
PersistentClass referencedPersistentClass =
(PersistentClass) persistentClasses.get(referencedEntityName);
// TODO better error names
if (referencedPersistentClass == null) {
throw new AnnotationException("Unknown entity name: " + referencedEntityName);
}
if (!(referencedPersistentClass.getIdentifier() instanceof Component)) {
throw new AssertionFailure(
"Unexpected identifier type on the referenced entity when mapping a @MapsId: "
+ referencedEntityName);
}
Component referencedComponent = (Component) referencedPersistentClass.getIdentifier();
Iterator<Property> properties = referencedComponent.getPropertyIterator();
// prepare column name structure
boolean isExplicitReference = true;
Map<String, Ejb3JoinColumn> columnByReferencedName =
new HashMap<String, Ejb3JoinColumn>(joinColumns.length);
for (Ejb3JoinColumn joinColumn : joinColumns) {
final String referencedColumnName = joinColumn.getReferencedColumn();
if (referencedColumnName == null
|| BinderHelper.isEmptyAnnotationValue(referencedColumnName)) {
break;
}
// JPA 2 requires referencedColumnNames to be case insensitive
columnByReferencedName.put(referencedColumnName.toLowerCase(), joinColumn);
}
// try default column orientation
int index = 0;
if (columnByReferencedName.isEmpty()) {
isExplicitReference = false;
for (Ejb3JoinColumn joinColumn : joinColumns) {
columnByReferencedName.put("" + index, joinColumn);
index++;
}
index = 0;
}
while (properties.hasNext()) {
Property referencedProperty = properties.next();
if (referencedProperty.isComposite()) {
throw new AssertionFailure(
"Unexpected nested component on the referenced entity when mapping a @MapsId: "
+ referencedEntityName);
} else {
Property property = new Property();
property.setName(referencedProperty.getName());
property.setNodeName(referencedProperty.getNodeName());
// FIXME set optional?
// property.setOptional( property.isOptional() );
property.setPersistentClass(component.getOwner());
property.setPropertyAccessorName(referencedProperty.getPropertyAccessorName());
SimpleValue value = new SimpleValue(mappings, component.getTable());
property.setValue(value);
final SimpleValue referencedValue = (SimpleValue) referencedProperty.getValue();
value.setTypeName(referencedValue.getTypeName());
value.setTypeParameters(referencedValue.getTypeParameters());
final Iterator<Column> columns = referencedValue.getColumnIterator();
if (joinColumns[0].isNameDeferred()) {
joinColumns[0].copyReferencedStructureAndCreateDefaultJoinColumns(
referencedPersistentClass, columns, value);
} else {
// FIXME take care of Formula
while (columns.hasNext()) {
Column column = columns.next();
final Ejb3JoinColumn joinColumn;
String logicalColumnName = null;
if (isExplicitReference) {
final String columnName = column.getName();
logicalColumnName =
mappings.getLogicalColumnName(columnName, referencedPersistentClass.getTable());
// JPA 2 requires referencedColumnNames to be case insensitive
joinColumn = columnByReferencedName.get(logicalColumnName.toLowerCase());
} else {
joinColumn = columnByReferencedName.get("" + index);
index++;
}
if (joinColumn == null && !joinColumns[0].isNameDeferred()) {
throw new AnnotationException(
isExplicitReference
? "Unable to find column reference in the @MapsId mapping: "
+ logicalColumnName
: "Implicit column reference in the @MapsId mapping fails, try to use explicit referenceColumnNames: "
+ referencedEntityName);
}
final String columnName =
joinColumn == null || joinColumn.isNameDeferred()
? "tata_" + column.getName()
: joinColumn.getName();
value.addColumn(new Column(columnName));
column.setValue(value);
}
}
component.addProperty(property);
}
}
}
// TODO refactor this code, there is a lot of duplication in this method
public void doSecondPass(Map persistentClasses) throws MappingException {
org.hibernate.mapping.OneToOne value =
new org.hibernate.mapping.OneToOne(
mappings, propertyHolder.getTable(), propertyHolder.getPersistentClass());
final String propertyName = inferredData.getPropertyName();
value.setPropertyName(propertyName);
String referencedEntityName =
ToOneBinder.getReferenceEntityName(inferredData, targetEntity, mappings);
value.setReferencedEntityName(referencedEntityName);
AnnotationBinder.defineFetchingStrategy(value, inferredData.getProperty());
// value.setFetchMode( fetchMode );
value.setCascadeDeleteEnabled(cascadeOnDelete);
// value.setLazy( fetchMode != FetchMode.JOIN );
if (!optional) value.setConstrained(true);
value.setForeignKeyType(
value.isConstrained()
? ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT
: ForeignKeyDirection.FOREIGN_KEY_TO_PARENT);
PropertyBinder binder = new PropertyBinder();
binder.setName(propertyName);
binder.setValue(value);
binder.setCascade(cascadeStrategy);
binder.setAccessType(inferredData.getDefaultAccess());
Property prop = binder.makeProperty();
if (BinderHelper.isEmptyAnnotationValue(mappedBy)) {
/*
* we need to check if the columns are in the right order
* if not, then we need to create a many to one and formula
* but actually, since entities linked by a one to one need
* to share the same composite id class, this cannot happen in hibernate
*/
boolean rightOrder = true;
if (rightOrder) {
String path = StringHelper.qualify(propertyHolder.getPath(), propertyName);
(new ToOneFkSecondPass(
value,
joinColumns,
!optional, // cannot have nullabe and unique on certain DBs
propertyHolder.getEntityOwnerClassName(),
path,
mappings))
.doSecondPass(persistentClasses);
// no column associated since its a one to one
propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
} else {
// this is a many to one with Formula
}
} else {
PersistentClass otherSide =
(PersistentClass) persistentClasses.get(value.getReferencedEntityName());
Property otherSideProperty;
try {
if (otherSide == null) {
throw new MappingException("Unable to find entity: " + value.getReferencedEntityName());
}
otherSideProperty = BinderHelper.findPropertyByName(otherSide, mappedBy);
} catch (MappingException e) {
throw new AnnotationException(
"Unknown mappedBy in: "
+ StringHelper.qualify(ownerEntity, ownerProperty)
+ ", referenced property unknown: "
+ StringHelper.qualify(value.getReferencedEntityName(), mappedBy));
}
if (otherSideProperty == null) {
throw new AnnotationException(
"Unknown mappedBy in: "
+ StringHelper.qualify(ownerEntity, ownerProperty)
+ ", referenced property unknown: "
+ StringHelper.qualify(value.getReferencedEntityName(), mappedBy));
}
if (otherSideProperty.getValue() instanceof OneToOne) {
propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
} else if (otherSideProperty.getValue() instanceof ManyToOne) {
Iterator it = otherSide.getJoinIterator();
Join otherSideJoin = null;
while (it.hasNext()) {
Join otherSideJoinValue = (Join) it.next();
if (otherSideJoinValue.containsProperty(otherSideProperty)) {
otherSideJoin = otherSideJoinValue;
break;
}
}
if (otherSideJoin != null) {
// @OneToOne @JoinTable
Join mappedByJoin =
buildJoinFromMappedBySide(
(PersistentClass) persistentClasses.get(ownerEntity),
otherSideProperty,
otherSideJoin);
ManyToOne manyToOne = new ManyToOne(mappings, mappedByJoin.getTable());
// FIXME use ignore not found here
manyToOne.setIgnoreNotFound(ignoreNotFound);
manyToOne.setCascadeDeleteEnabled(value.isCascadeDeleteEnabled());
manyToOne.setEmbedded(value.isEmbedded());
manyToOne.setFetchMode(value.getFetchMode());
manyToOne.setLazy(value.isLazy());
manyToOne.setReferencedEntityName(value.getReferencedEntityName());
manyToOne.setUnwrapProxy(value.isUnwrapProxy());
prop.setValue(manyToOne);
Iterator otherSideJoinKeyColumns = otherSideJoin.getKey().getColumnIterator();
while (otherSideJoinKeyColumns.hasNext()) {
Column column = (Column) otherSideJoinKeyColumns.next();
Column copy = new Column();
copy.setLength(column.getLength());
copy.setScale(column.getScale());
copy.setValue(manyToOne);
copy.setName(column.getQuotedName());
copy.setNullable(column.isNullable());
copy.setPrecision(column.getPrecision());
copy.setUnique(column.isUnique());
copy.setSqlType(column.getSqlType());
copy.setCheckConstraint(column.getCheckConstraint());
copy.setComment(column.getComment());
copy.setDefaultValue(column.getDefaultValue());
manyToOne.addColumn(copy);
}
mappedByJoin.addProperty(prop);
} else {
propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
}
value.setReferencedPropertyName(mappedBy);
String propertyRef = value.getReferencedPropertyName();
if (propertyRef != null) {
mappings.addUniquePropertyReference(value.getReferencedEntityName(), propertyRef);
}
} else {
throw new AnnotationException(
"Referenced property not a (One|Many)ToOne: "
+ StringHelper.qualify(otherSide.getEntityName(), mappedBy)
+ " in mappedBy of "
+ StringHelper.qualify(ownerEntity, ownerProperty));
}
}
ForeignKey fk = inferredData.getProperty().getAnnotation(ForeignKey.class);
String fkName = fk != null ? fk.name() : "";
if (!BinderHelper.isEmptyAnnotationValue(fkName)) value.setForeignKeyName(fkName);
}