public String addFromCollection(QueryTranslatorImpl q) throws QueryException {
Type collectionElementType = getPropertyType();
if (collectionElementType == null) {
throw new QueryException(
"must specify 'elements' for collection valued property in from clause: " + path);
}
if (collectionElementType.isEntityType()) {
// an association
QueryableCollection collectionPersister = q.getCollectionPersister(collectionRole);
Queryable entityPersister = (Queryable) collectionPersister.getElementPersister();
String clazz = entityPersister.getEntityName();
final String elementName;
if (collectionPersister.isOneToMany()) {
elementName = collectionName;
// allow index() function:
q.decoratePropertyMapping(elementName, collectionPersister);
} else { // many-to-many
q.addCollection(collectionName, collectionRole);
elementName = q.createNameFor(clazz);
addJoin(elementName, (AssociationType) collectionElementType);
}
q.addFrom(elementName, clazz, joinSequence);
currentPropertyMapping = new CollectionPropertyMapping(collectionPersister);
return elementName;
} else {
// collections of values
q.addFromCollection(collectionName, collectionRole, joinSequence);
return collectionName;
}
}
@Override
@SuppressWarnings("unchecked")
public Iterator getDeletes(CollectionPersister persister, boolean indexIsFormula)
throws HibernateException {
final Type elementType = persister.getElementType();
final java.util.Map sn = (java.util.Map) getSnapshot();
final ArrayList deletes = new ArrayList(sn.size());
Iterator itr = sn.keySet().iterator();
while (itr.hasNext()) {
final Object test = itr.next();
if (!set.contains(test)) {
// the element has been removed from the set
deletes.add(test);
}
}
itr = set.iterator();
while (itr.hasNext()) {
final Object test = itr.next();
final Object oldValue = sn.get(test);
if (oldValue != null && elementType.isDirty(test, oldValue, getSession())) {
// the element has changed
deletes.add(oldValue);
}
}
return deletes.iterator();
}
private Queryable determineAppropriateOwnerPersister(NonScalarReturn ownerDescriptor) {
String entityName = null;
if (ownerDescriptor instanceof RootReturn) {
entityName = ((RootReturn) ownerDescriptor).getEntityName();
} else if (ownerDescriptor instanceof CollectionReturn) {
CollectionReturn collRtn = (CollectionReturn) ownerDescriptor;
String role = collRtn.getOwnerEntityName() + "." + collRtn.getOwnerProperty();
CollectionPersister persister = getFactory().getCollectionPersister(role);
EntityType ownerType = (EntityType) persister.getElementType();
entityName = ownerType.getAssociatedEntityName(getFactory());
} else if (ownerDescriptor instanceof FetchReturn) {
FetchReturn fetchRtn = (FetchReturn) ownerDescriptor;
Queryable persister = determineAppropriateOwnerPersister(fetchRtn.getOwner());
Type ownerType = persister.getPropertyType(fetchRtn.getOwnerProperty());
if (ownerType.isEntityType()) {
entityName = ((EntityType) ownerType).getAssociatedEntityName(getFactory());
} else if (ownerType.isCollectionType()) {
Type ownerCollectionElementType = ((CollectionType) ownerType).getElementType(getFactory());
if (ownerCollectionElementType.isEntityType()) {
entityName =
((EntityType) ownerCollectionElementType).getAssociatedEntityName(getFactory());
}
}
}
if (entityName == null) {
throw new HibernateException("Could not determine fetch owner : " + ownerDescriptor);
}
return (Queryable) getFactory().getEntityPersister(entityName);
}
@Deprecated
public static StandardProperty buildStandardProperty(Property property, boolean lazyAvailable) {
final Type type = property.getValue().getType();
// we need to dirty check collections, since they can cause an owner
// version number increment
// we need to dirty check many-to-ones with not-found="ignore" in order
// to update the cache (not the database), since in this case a null
// entity reference can lose information
boolean alwaysDirtyCheck =
type.isAssociationType() && ((AssociationType) type).isAlwaysDirtyChecked();
return new StandardProperty(
property.getName(),
type,
lazyAvailable && property.isLazy(),
property.isInsertable(),
property.isUpdateable(),
property.getValueGenerationStrategy(),
property.isOptional(),
alwaysDirtyCheck || property.isUpdateable(),
property.isOptimisticLocked(),
property.getCascadeStyle(),
property.getValue().getFetchMode());
}
// TODO we could cache such knowledge in a service if that turns out to be costly
private String buildCollectionRole(OgmCollectionPersister collectionPersister) {
String otherSidePropertyName = null;
Loadable elementPersister = (Loadable) collectionPersister.getElementPersister();
Type[] propertyTypes = elementPersister.getPropertyTypes();
for (int index = 0; index < propertyTypes.length; index++) {
Type type = propertyTypes[index];
// we try and restrict type search as much as possible
if (type.isAssociationType()) {
boolean matching = false;
// if the main side collection is a one-to-many, the reverse side should be a to-one is not
// a collection
if (collectionPersister.isOneToMany() && !type.isCollectionType()) {
matching = isToOneMatching(elementPersister, index, type);
}
// if the main side collection is not a one-to-many, the reverse side should be a collection
else if (!collectionPersister.isOneToMany() && type.isCollectionType()) {
matching =
isCollectionMatching((CollectionType) type, collectionPersister.getTableName());
}
if (matching) {
otherSidePropertyName = elementPersister.getPropertyNames()[index];
break;
}
}
}
return processOtherSidePropertyName(otherSidePropertyName);
}
public void noCascade(
EventSource session,
Object child,
Object parent,
EntityPersister persister,
int propertyIndex) {
if (child == null) {
return;
}
Type type = persister.getPropertyTypes()[propertyIndex];
if (type.isEntityType()) {
String childEntityName =
((EntityType) type).getAssociatedEntityName(session.getFactory());
if (!isInManagedState(child, session)
&& !(child
instanceof
HibernateProxy) // a proxy cannot be transient and it breaks
// ForeignKeys.isTransient
&& ForeignKeys.isTransient(childEntityName, child, null, session)) {
String parentEntiytName = persister.getEntityName();
String propertyName = persister.getPropertyNames()[propertyIndex];
throw new TransientObjectException(
"object references an unsaved transient instance - "
+ "save the transient instance before flushing: "
+ parentEntiytName
+ "."
+ propertyName
+ " -> "
+ childEntityName);
}
}
}
/**
* Walk the association tree for an entity, adding associations which should be join fetched to
* the {@link #associations} inst var. This form is the entry point into the walking for a given
* entity, starting the recursive calls into {@link
* #walkEntityTree(org.hibernate.persister.entity.OuterJoinLoadable, String, PropertyPath ,int)}.
*
* @param persister The persister representing the entity to be walked.
* @param alias The (root) alias to use for this entity/persister.
* @param path The property path to the entity being walked
* @param currentDepth The current join depth
* @throws org.hibernate.MappingException ???
*/
private void walkEntityTree(
final OuterJoinLoadable persister,
final String alias,
final PropertyPath path,
final int currentDepth)
throws MappingException {
int n = persister.countSubclassProperties();
for (int i = 0; i < n; i++) {
Type type = persister.getSubclassPropertyType(i);
if (type.isAssociationType()) {
walkEntityAssociationTree(
(AssociationType) type,
persister,
i,
alias,
path,
persister.isSubclassPropertyNullable(i),
currentDepth);
} else if (type.isComponentType()) {
walkComponentTree(
(CompositeType) type,
i,
0,
persister,
alias,
path.append(persister.getSubclassPropertyName(i)),
currentDepth);
}
}
}
private FromElement createCollectionJoin(JoinSequence collectionJoinSequence, String tableAlias)
throws SemanticException {
String text = queryableCollection.getTableName();
AST ast = createFromElement(text);
FromElement destination = (FromElement) ast;
Type elementType = queryableCollection.getElementType();
if (elementType.isCollectionType()) {
throw new SemanticException("Collections of collections are not supported!");
}
destination.initializeCollection(fromClause, classAlias, tableAlias);
destination.setType(JOIN_FRAGMENT); // Tag this node as a JOIN.
destination.setIncludeSubclasses(false); // Don't include subclasses in the join.
destination.setCollectionJoin(true); // This is a clollection join.
destination.setJoinSequence(collectionJoinSequence);
destination.setOrigin(origin, false);
destination.setCollectionTableAlias(tableAlias);
// origin.addDestination( destination );
// This was the cause of HHH-242
// origin.setType( FROM_FRAGMENT ); // Set the parent node type so that the AST is properly
// formed.
origin.setText(""); // The destination node will have all the FROM text.
origin.setCollectionJoin(
true); // The parent node is a collection join too (voodoo - see JoinProcessor)
fromClause.addCollectionJoinFromElementByPath(path, destination);
fromClause.getWalker().addQuerySpaces(queryableCollection.getCollectionSpaces());
return destination;
}
FromElement createCollection(
QueryableCollection queryableCollection,
String role,
int joinType,
boolean fetchFlag,
boolean indexed)
throws SemanticException {
if (!collection) {
throw new IllegalStateException("FromElementFactory not initialized for collections!");
}
this.inElementsFunction = indexed;
FromElement elem;
this.queryableCollection = queryableCollection;
collectionType = queryableCollection.getCollectionType();
String roleAlias = fromClause.getAliasGenerator().createName(role);
// Correlated subqueries create 'special' implied from nodes
// because correlated subselects can't use an ANSI-style join
boolean explicitSubqueryFromElement = fromClause.isSubQuery() && !implied;
if (explicitSubqueryFromElement) {
String pathRoot = StringHelper.root(path);
FromElement origin = fromClause.getFromElement(pathRoot);
if (origin == null || origin.getFromClause() != fromClause) {
implied = true;
}
}
// super-duper-classic-parser-regression-testing-mojo-magic...
if (explicitSubqueryFromElement && DotNode.useThetaStyleImplicitJoins) {
implied = true;
}
Type elementType = queryableCollection.getElementType();
if (elementType.isEntityType()) { // A collection of entities...
elem = createEntityAssociation(role, roleAlias, joinType);
} else if (elementType.isComponentType()) { // A collection of components...
JoinSequence joinSequence = createJoinSequence(roleAlias, joinType);
elem = createCollectionJoin(joinSequence, roleAlias);
} else { // A collection of scalar elements...
JoinSequence joinSequence = createJoinSequence(roleAlias, joinType);
elem = createCollectionJoin(joinSequence, roleAlias);
}
elem.setRole(role);
elem.setQueryableCollection(queryableCollection);
// Don't include sub-classes for implied collection joins or subquery joins.
if (implied) {
elem.setIncludeSubclasses(false);
}
if (explicitSubqueryFromElement) {
elem.setInProjectionList(true); // Treat explict from elements in sub-queries properly.
}
if (fetchFlag) {
elem.setFetch(true);
}
return elem;
}
FromElement createElementJoin(QueryableCollection queryableCollection) throws SemanticException {
FromElement elem;
implied =
true; // TODO: always true for now, but not if we later decide to support elements() in the
// from clause
inElementsFunction = true;
Type elementType = queryableCollection.getElementType();
if (!elementType.isEntityType()) {
throw new IllegalArgumentException(
"Cannot create element join for a collection of non-entities!");
}
this.queryableCollection = queryableCollection;
SessionFactoryHelper sfh = fromClause.getSessionFactoryHelper();
FromElement destination = null;
String tableAlias = null;
EntityPersister entityPersister = queryableCollection.getElementPersister();
tableAlias = fromClause.getAliasGenerator().createName(entityPersister.getEntityName());
String associatedEntityName = entityPersister.getEntityName();
EntityPersister targetEntityPersister = sfh.requireClassPersister(associatedEntityName);
// Create the FROM element for the target (the elements of the collection).
destination =
createAndAddFromElement(
associatedEntityName,
classAlias,
targetEntityPersister,
(EntityType) queryableCollection.getElementType(),
tableAlias);
// If the join is implied, then don't include sub-classes on the element.
if (implied) {
destination.setIncludeSubclasses(false);
}
fromClause.addCollectionJoinFromElementByPath(path, destination);
// origin.addDestination(destination);
// Add the query spaces.
fromClause.getWalker().addQuerySpaces(entityPersister.getQuerySpaces());
CollectionType type = queryableCollection.getCollectionType();
String role = type.getRole();
String roleAlias = origin.getTableAlias();
String[] targetColumns = sfh.getCollectionElementColumns(role, roleAlias);
AssociationType elementAssociationType = sfh.getElementAssociationType(type);
// Create the join element under the from element.
int joinType = JoinFragment.INNER_JOIN;
JoinSequence joinSequence =
sfh.createJoinSequence(
implied, elementAssociationType, tableAlias, joinType, targetColumns);
elem = initializeJoin(path, destination, joinSequence, targetColumns, origin, false);
elem.setUseFromFragment(
true); // The associated entity is implied, but it must be included in the FROM.
elem.setCollectionTableAlias(roleAlias); // The collection alias is the role.
return elem;
}
public boolean equalsSnapshot(CollectionPersister persister) throws HibernateException {
Type elementType = persister.getElementType();
Serializable snapshot = getSnapshot();
int xlen = Array.getLength(snapshot);
if (xlen != Array.getLength(array)) return false;
for (int i = 0; i < xlen; i++) {
if (elementType.isDirty(Array.get(snapshot, i), Array.get(array, i), getSession()))
return false;
}
return true;
}
private boolean indicatesCollection(Type type) {
if (type.isCollectionType()) {
return true;
} else if (type.isComponentType()) {
Type[] subtypes = ((CompositeType) type).getSubtypes();
for (int i = 0; i < subtypes.length; i++) {
if (indicatesCollection(subtypes[i])) {
return true;
}
}
}
return false;
}
private void initAssociationKeyMetadata() {
for (int index = 0; index < getPropertySpan(); index++) {
final Type uniqueKeyType = getPropertyTypes()[index];
if (uniqueKeyType.isEntityType()) {
String[] propertyColumnNames = getPropertyColumnNames(index);
AssociationKeyMetadata metadata =
new AssociationKeyMetadata(getTableName(), propertyColumnNames);
metadata.setRowKeyColumnNames(
buildRowKeyColumnNamesForStarToOne(this, propertyColumnNames));
associationKeyMetadataPerPropertyName.put(getPropertyNames()[index], metadata);
}
}
}
/**
* Construct a new key for a caching natural identifier resolutions into the second level cache.
* Note that an entity name should always be the root entity name, not a subclass entity name.
*
* @param naturalIdValues The naturalIdValues associated with the cached data
* @param persister The persister for the entity
* @param session The originating session
*/
public NaturalIdCacheKey(
final Object[] naturalIdValues,
final EntityPersister persister,
final SessionImplementor session) {
this.entityName = persister.getRootEntityName();
this.tenantId = session.getTenantIdentifier();
this.naturalIdValues = new Serializable[naturalIdValues.length];
final SessionFactoryImplementor factory = session.getFactory();
final int[] naturalIdPropertyIndexes = persister.getNaturalIdentifierProperties();
final Type[] propertyTypes = persister.getPropertyTypes();
final int prime = 31;
int result = 1;
result = prime * result + ((this.entityName == null) ? 0 : this.entityName.hashCode());
result = prime * result + ((this.tenantId == null) ? 0 : this.tenantId.hashCode());
for (int i = 0; i < naturalIdValues.length; i++) {
final Type type = propertyTypes[naturalIdPropertyIndexes[i]];
final Object value = naturalIdValues[i];
result = prime * result + (value != null ? type.getHashCode(value, factory) : 0);
this.naturalIdValues[i] = type.disassemble(value, session, null);
}
this.hashCode = result;
this.toString =
new ValueHolder<String>(
new ValueHolder.DeferredInitializer<String>() {
@Override
public String initialize() {
// Complex toString is needed as naturalIds for entities are not simply based on a
// single value like primary keys
// the only same way to differentiate the keys is to included the disassembled
// values in the string.
final StringBuilder toStringBuilder =
new StringBuilder(entityName).append("##NaturalId[");
for (int i = 0; i < naturalIdValues.length; i++) {
toStringBuilder.append(naturalIdValues[i]);
if (i + 1 < naturalIdValues.length) {
toStringBuilder.append(", ");
}
}
toStringBuilder.append("]");
return toStringBuilder.toString();
}
});
}
private void determineKeySelectExpressions(
QueryableCollection collectionPersister, List selections) {
AliasGenerator aliasGenerator = new LocalAliasGenerator(0);
appendSelectExpressions(collectionPersister.getIndexColumnNames(), selections, aliasGenerator);
Type keyType = collectionPersister.getIndexType();
if (keyType.isAssociationType()) {
EntityType entityType = (EntityType) keyType;
Queryable keyEntityPersister =
(Queryable) sfi().getEntityPersister(entityType.getAssociatedEntityName(sfi()));
SelectFragment fragment =
keyEntityPersister.propertySelectFragmentFragment(collectionTableAlias(), null, false);
appendSelectExpressions(fragment, selections, aliasGenerator);
}
}
/**
* Walk the association tree for an entity, adding associations which should be join fetched to
* the {@link #associations} inst var. This form is the entry point into the walking for a given
* entity, starting the recursive calls into {@link
* #walkEntityTree(org.hibernate.persister.entity.OuterJoinLoadable, String, PropertyPath ,int)}.
*
* @param persister The persister representing the entity to be walked.
* @param alias The (root) alias to use for this entity/persister.
* @param path The property path to the entity being walked
* @param currentDepth The current join depth
* @throws org.hibernate.MappingException ???
*/
private void walkEntityTree(
final OuterJoinLoadable persister,
final String alias,
final PropertyPath path,
final int currentDepth)
throws MappingException {
int n = persister.countSubclassProperties();
for (int i = 0; i < n; i++) {
Type type = persister.getSubclassPropertyType(i);
if (type.isAssociationType()) {
walkEntityAssociationTree(
(AssociationType) type,
persister,
i,
alias,
path,
persister.isSubclassPropertyNullable(i),
currentDepth);
} else if (type.isComponentType()) {
walkComponentTree(
(CompositeType) type,
i,
0,
persister,
alias,
path.append(persister.getSubclassPropertyName(i)),
currentDepth);
}
}
// if the entity has a composite identifier, see if we need to handle
// its sub-properties separately
final Type idType = persister.getIdentifierType();
if (idType.isComponentType()) {
final CompositeType cidType = (CompositeType) idType;
if (cidType.isEmbedded()) {
// we have an embedded composite identifier. Most likely we need to process the composite
// properties separately, although there is an edge case where the identifier is really
// a simple identifier (single value) wrapped in a JPA @IdClass or even in the case of a
// a simple identifier (single value) wrapped in a Hibernate composite type.
//
// We really do not have a built-in method to determine that. However, generally the
// persister would report that there is single, physical identifier property which is
// explicitly at odds with the notion of "embedded composite". So we use that for now
if (persister.getEntityMetamodel().getIdentifierProperty().isEmbedded()) {
walkComponentTree(cidType, -1, 0, persister, alias, path.append(""), currentDepth);
}
}
}
}
private void determineValueSelectExpressions(
QueryableCollection collectionPersister, List selections) {
AliasGenerator aliasGenerator = new LocalAliasGenerator(1);
appendSelectExpressions(
collectionPersister.getElementColumnNames(), selections, aliasGenerator);
Type valueType = collectionPersister.getElementType();
if (valueType.isAssociationType()) {
EntityType valueEntityType = (EntityType) valueType;
Queryable valueEntityPersister =
(Queryable) sfi().getEntityPersister(valueEntityType.getAssociatedEntityName(sfi()));
SelectFragment fragment =
valueEntityPersister.propertySelectFragmentFragment(elementTableAlias(), null, false);
appendSelectExpressions(fragment, selections, aliasGenerator);
}
}
protected String generateTableAlias(int n, PropertyPath path, Joinable joinable) {
// TODO: deal with side-effects (changes to includeInResultRowList, userAliasList,
// resultTypeList)!!!
// for collection-of-entity, we are called twice for given "path"
// once for the collection Joinable, once for the entity Joinable.
// the second call will/must "consume" the alias + perform side effects according to
// consumesEntityAlias()
// for collection-of-other, however, there is only one call
// it must "consume" the alias + perform side effects, despite what consumeEntityAlias() return
// says
//
// note: the logic for adding to the userAliasList is still strictly based on
// consumesEntityAlias return value
boolean checkForSqlAlias = joinable.consumesEntityAlias();
if (!checkForSqlAlias && joinable.isCollection()) {
// is it a collection-of-other (component or value) ?
CollectionPersister collectionPersister = (CollectionPersister) joinable;
Type elementType = collectionPersister.getElementType();
if (elementType.isComponentType() || !elementType.isEntityType()) {
checkForSqlAlias = true;
}
}
String sqlAlias = null;
if (checkForSqlAlias) {
final Criteria subcriteria = translator.getCriteria(path.getFullPath());
sqlAlias = subcriteria == null ? null : translator.getSQLAlias(subcriteria);
if (joinable.consumesEntityAlias() && !translator.hasProjection()) {
includeInResultRowList.add(subcriteria != null && subcriteria.getAlias() != null);
if (sqlAlias != null) {
if (subcriteria.getAlias() != null) {
userAliasList.add(subcriteria.getAlias());
resultTypeList.add(translator.getResultType(subcriteria));
}
}
}
}
if (sqlAlias == null) {
sqlAlias = super.generateTableAlias(n + translator.getSQLAliasCount(), path, joinable);
}
return sqlAlias;
}
/** For a collection role, return a list of associations to be fetched by outerjoin */
private void walkCollectionTree(
final QueryableCollection persister,
final String alias,
final PropertyPath path,
final int currentDepth)
throws MappingException {
if (persister.isOneToMany()) {
walkEntityTree(
(OuterJoinLoadable) persister.getElementPersister(), alias, path, currentDepth);
} else {
Type type = persister.getElementType();
if (type.isAssociationType()) {
// a many-to-many;
// decrement currentDepth here to allow join across the association table
// without exceeding MAX_FETCH_DEPTH (i.e. the "currentDepth - 1" bit)
AssociationType associationType = (AssociationType) type;
String[] aliasedLhsColumns = persister.getElementColumnNames(alias);
String[] lhsColumns = persister.getElementColumnNames();
// if the current depth is 0, the root thing being loaded is the
// many-to-many collection itself. Here, it is alright to use
// an inner join...
boolean useInnerJoin = currentDepth == 0;
final JoinType joinType =
getJoinType(
associationType,
persister.getFetchMode(),
path,
persister.getTableName(),
lhsColumns,
!useInnerJoin,
currentDepth - 1,
null // operations which cascade as far as the collection also cascade to collection
// elements
);
addAssociationToJoinTreeIfNecessary(
associationType, aliasedLhsColumns, alias, path, currentDepth - 1, joinType);
} else if (type.isComponentType()) {
walkCompositeElementTree(
(CompositeType) type,
persister.getElementColumnNames(),
persister,
alias,
path,
currentDepth);
}
}
}
public boolean needsUpdating(Object entry, int i, Type elemType) throws HibernateException {
Serializable sn = getSnapshot();
return i < Array.getLength(sn)
&& Array.get(sn, i) != null
&& Array.get(array, i) != null
&& elemType.isDirty(Array.get(array, i), Array.get(sn, i), getSession());
}
public int generateHashCode(SessionFactoryImplementor factory) {
int result = 17;
result = 37 * result + entityName.hashCode();
result = 37 * result + uniqueKeyName.hashCode();
result = 37 * result + keyType.getHashCode(key, factory);
return result;
}
private GridType getUniqueKeyTypeFromAssociatedEntity(int propertyIndex, String propertyName) {
GridType
gridUniqueKeyType; // get the unique key type and if it's an entity type, get it's
// identifier type
final Type uniqueKeyType = getPropertyTypes()[propertyIndex];
if (uniqueKeyType.isEntityType()) {
// we run under the assumption that we are fully in an OGM world
EntityType entityType = (EntityType) uniqueKeyType;
final OgmEntityPersister entityPersister =
(OgmEntityPersister) entityType.getAssociatedJoinable(getFactory());
gridUniqueKeyType = entityPersister.getGridIdentifierType();
} else {
throw new AssertionFailure("loadByUniqueKey on a non EntityType:" + propertyName);
}
return gridUniqueKeyType;
}
@Override
public boolean equalsSnapshot(CollectionPersister persister) throws HibernateException {
final Type elementType = persister.getElementType();
final java.util.Map sn = (java.util.Map) getSnapshot();
if (sn.size() != set.size()) {
return false;
} else {
for (Object test : set) {
final Object oldValue = sn.get(test);
if (oldValue == null || elementType.isDirty(oldValue, test, getSession())) {
return false;
}
}
return true;
}
}
private String getElementName(
PathExpressionParser.CollectionElement element, QueryTranslatorImpl q) throws QueryException {
String name;
if (element.isOneToMany) {
name = element.alias;
} else {
Type type = element.elementType;
if (type.isEntityType()) { // ie. a many-to-many
String entityName = ((EntityType) type).getAssociatedEntityName();
name = pathExpressionParser.continueFromManyToMany(entityName, element.elementColumns, q);
} else {
throw new QueryException("illegally dereferenced collection element");
}
}
return name;
}
public void end(QueryTranslatorImpl q) throws QueryException {
ignoreInitialJoin = false;
Type propertyType = getPropertyType();
if (propertyType != null && propertyType.isCollectionType()) {
collectionRole = ((CollectionType) propertyType).getRole();
collectionName = q.createNameForCollection(collectionRole);
prepareForIndex(q);
} else {
columns = currentColumns();
setType();
}
// important!!
continuation = false;
}
public static void processDynamicFilterParameters(
final String sqlFragment, final ParameterContainer container, final HqlSqlWalker walker) {
if (walker.getEnabledFilters().isEmpty()
&& (!hasDynamicFilterParam(sqlFragment))
&& (!(hasCollectionFilterParam(sqlFragment)))) {
return;
}
Dialect dialect = walker.getSessionFactoryHelper().getFactory().getDialect();
String symbols =
new StringBuffer()
.append(ParserHelper.HQL_SEPARATORS)
.append(dialect.openQuote())
.append(dialect.closeQuote())
.toString();
StringTokenizer tokens = new StringTokenizer(sqlFragment, symbols, true);
StringBuffer result = new StringBuffer();
while (tokens.hasMoreTokens()) {
final String token = tokens.nextToken();
if (token.startsWith(ParserHelper.HQL_VARIABLE_PREFIX)) {
final String filterParameterName = token.substring(1);
final String[] parts = LoadQueryInfluencers.parseFilterParameterName(filterParameterName);
final FilterImpl filter = (FilterImpl) walker.getEnabledFilters().get(parts[0]);
final Object value = filter.getParameter(parts[1]);
final Type type = filter.getFilterDefinition().getParameterType(parts[1]);
final String typeBindFragment =
StringHelper.join(
",",
ArrayHelper.fillArray(
"?", type.getColumnSpan(walker.getSessionFactoryHelper().getFactory())));
final String bindFragment =
(value != null && Collection.class.isInstance(value))
? StringHelper.join(
",", ArrayHelper.fillArray(typeBindFragment, ((Collection) value).size()))
: typeBindFragment;
result.append(bindFragment);
container.addEmbeddedParameter(
new DynamicFilterParameterSpecification(parts[0], parts[1], type));
} else {
result.append(token);
}
}
container.setText(result.toString());
}
@Override
public void setHibernateType(Type type) {
if (type == null) {
throw new IllegalArgumentException("Type cannot be null");
}
this.hibernateType = type;
this.sqlTypes = hibernateType.sqlTypes(session().getFactory());
}
protected Serializable getResult(SessionImplementor session, ResultSet rs, Object entity)
throws SQLException {
if (!rs.next()) {
throw new IdentifierGenerationException(
"the inserted row could not be located by the unique key: " + uniqueKeyPropertyName);
}
return (Serializable)
idType.nullSafeGet(rs, persister.getRootTableKeyColumnNames(), session, entity);
}
@Override
@SuppressWarnings("unchecked")
public boolean needsInserting(Object entry, int i, Type elemType) throws HibernateException {
final Object oldValue = ((java.util.Map) getSnapshot()).get(entry);
// note that it might be better to iterate the snapshot but this is safe,
// assuming the user implements equals() properly, as required by the Set
// contract!
return oldValue == null || elemType.isDirty(oldValue, entry, getSession());
}
protected void initPropertyPaths(
final String path,
final Type type,
String[] columns,
final String[] formulaTemplates,
final Mapping factory)
throws MappingException {
if (columns.length != type.getColumnSpan(factory)) {
throw new MappingException("broken column mapping for: " + path + " of: " + getEntityName());
}
if (type.isAssociationType()) {
AssociationType actype = (AssociationType) type;
if (actype.useLHSPrimaryKey()) {
columns = getIdentifierColumnNames();
} else {
String foreignKeyProperty = actype.getLHSPropertyName();
if (foreignKeyProperty != null && !path.equals(foreignKeyProperty)) {
// TODO: this requires that the collection is defined after the
// referenced property in the mapping file (ok?)
columns = (String[]) columnsByPropertyPath.get(foreignKeyProperty);
if (columns == null) return; // get em on the second pass!
}
}
}
if (path != null) addPropertyPath(path, type, columns, formulaTemplates);
if (type.isComponentType()) {
AbstractComponentType actype = (AbstractComponentType) type;
initComponentPropertyPaths(path, actype, columns, formulaTemplates, factory);
if (actype.isEmbedded()) {
initComponentPropertyPaths(
path == null ? null : StringHelper.qualifier(path),
actype,
columns,
formulaTemplates,
factory);
}
} else if (type.isEntityType()) {
initIdentifierPropertyPaths(path, (EntityType) type, columns, factory);
}
}
