/** INTERNAL: Prepare the receiver for execution in a session. */
protected void prepare() {
super.prepare();
if (this.name == null) {
this.name = "insert" + this.descriptor.getJavaClass().getSimpleName();
}
getQueryMechanism().prepareInsertObject();
}
/** INTERNAL: If any of the references objects has changed, write out all the keys. */
public void writeFromObjectIntoRowForUpdate(WriteObjectQuery writeQuery, AbstractRecord row)
throws DescriptorException {
if (!this.isAttributeValueInstantiatedOrChanged(writeQuery.getObject())) {
return;
}
AbstractSession session = writeQuery.getSession();
if (session.isUnitOfWork()) {
// PRS2074 fix for "traditional" Indirection
Object collection1 =
this.getRealCollectionAttributeValueFromObject(writeQuery.getObject(), session);
Object collection2 =
this.getRealCollectionAttributeValueFromObject(writeQuery.getBackupClone(), session);
if (this.compareObjectsWithoutPrivateOwned(collection1, collection2, session)) {
return; // nothing has changed - don't put anything in the row
}
}
this.writeFromObjectIntoRow(writeQuery.getObject(), row, session);
}
/** INTERNAL: Update the privately owned parts. */
public void preUpdate(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
if (!this.isForeignKeyRelationship()) {
return;
}
if (!this.shouldObjectModifyCascadeToParts(query)) {
return;
}
// if the target objects are not instantiated, they could not have been changed....
if (!this.isAttributeValueInstantiatedOrChanged(query.getObject())) {
return;
}
// manage objects added and removed from the collection
Object objectsInMemory =
this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
Object objectsInDB = this.readPrivateOwnedForObject(query);
this.compareObjectsAndWrite(objectsInDB, objectsInMemory, query);
}
/**
* Commit changed of the objects of the class type in the change set. This allows for the order of
* the classes to be processed optimally.
*/
protected void commitChangedObjectsForClassWithChangeSet(
UnitOfWorkChangeSet uowChangeSet, Class theClass) {
Map<ObjectChangeSet, ObjectChangeSet> objectChangesList =
uowChangeSet.getObjectChanges().get(theClass);
if (objectChangesList != null) { // may be no changes for that class type.
ClassDescriptor descriptor = null;
AbstractSession session = getSession();
Collection<ObjectChangeSet> changes = objectChangesList.values();
if (((UnitOfWorkImpl) session).shouldOrderUpdates()) {
changes = new ArrayList(objectChangesList.values());
Collections.sort((List) changes);
}
for (ObjectChangeSet changeSetToWrite : changes) {
Object objectToWrite = changeSetToWrite.getUnitOfWorkClone();
if (descriptor == null) {
descriptor = session.getDescriptor(objectToWrite);
}
if (!isProcessedCommit(objectToWrite)) {
// Commit and resume on failure can cause a new change set to be in existing, so need to
// check here.
WriteObjectQuery commitQuery = null;
if (changeSetToWrite.isNew()) {
commitQuery = new InsertObjectQuery();
} else {
commitQuery = new UpdateObjectQuery();
}
commitQuery.setIsExecutionClone(true);
commitQuery.setDescriptor(descriptor);
commitQuery.setObjectChangeSet(changeSetToWrite);
commitQuery.setObject(objectToWrite);
commitQuery.cascadeOnlyDependentParts();
// removed checking session type to set cascade level
// will always be a unitOfWork so we need to cascade dependent parts
session.executeQuery(commitQuery);
}
}
}
}
/** INTERNAL: Insert privately owned parts */
public void preInsert(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
if (!this.isForeignKeyRelationship()) {
return;
}
if (!this.shouldObjectModifyCascadeToParts(query)) {
return;
}
// only cascade dependents in UOW
if (query.shouldCascadeOnlyDependentParts()) {
return;
}
Object objects =
this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
// insert each object one by one
ContainerPolicy cp = this.getContainerPolicy();
for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter); ) {
Object object = cp.next(iter, query.getSession());
if (this.isPrivateOwned()) {
// no need to set changeset here as insert is just a copy of the object anyway
InsertObjectQuery insertQuery = new InsertObjectQuery();
insertQuery.setIsExecutionClone(true);
insertQuery.setObject(object);
insertQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(insertQuery);
} else {
// This will happen in a unit of work or cascaded query.
// This is done only for persistence by reachability and is not required if the targets are
// in the queue anyway
// Avoid cycles by checking commit manager, this is allowed because there is no dependency.
if (!query.getSession().getCommitManager().isCommitInPreModify(object)) {
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
if (query.getSession().isUnitOfWork()) {
UnitOfWorkChangeSet uowChangeSet =
(UnitOfWorkChangeSet)
((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
if (uowChangeSet != null) {
writeQuery.setObjectChangeSet(
(ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object));
}
}
writeQuery.setObject(object);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}
}
}
/** INTERNAL: Insert privately owned parts */
public void preInsert(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
// Checks if privately owned parts should be inserted or not.
if (!shouldObjectModifyCascadeToParts(query)) {
return;
}
// Get the privately owned parts
Object object = getRealAttributeValueFromObject(query.getObject(), query.getSession());
if (object == null) {
return;
}
if (isPrivateOwned()) {
// No need to set changeSet as insert is a straight copy anyway
InsertObjectQuery insertQuery = new InsertObjectQuery();
insertQuery.setIsExecutionClone(true);
insertQuery.setObject(object);
insertQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(insertQuery);
} else {
ObjectChangeSet changeSet = null;
UnitOfWorkChangeSet uowChangeSet = null;
if (query.getSession().isUnitOfWork()
&& (((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet() != null)) {
uowChangeSet =
(UnitOfWorkChangeSet) ((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
changeSet = (ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object);
}
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
writeQuery.setObject(object);
writeQuery.setObjectChangeSet(changeSet);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}
/** INTERNAL: Update privately owned parts */
public void preUpdate(WriteObjectQuery query) throws DatabaseException, OptimisticLockException {
if (!isAttributeValueInstantiated(query.getObject())) {
return;
}
if (isPrivateOwned()) {
Object objectInDatabase = readPrivateOwnedForObject(query);
if (objectInDatabase != null) {
query.setProperty(this, objectInDatabase);
}
}
if (!shouldObjectModifyCascadeToParts(query)) {
return;
}
// Get the privately owned parts in the memory
Object object = getRealAttributeValueFromObject(query.getObject(), query.getSession());
if (object != null) {
ObjectChangeSet changeSet = null;
UnitOfWorkChangeSet uowChangeSet = null;
if (query.getSession().isUnitOfWork()
&& (((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet() != null)) {
uowChangeSet =
(UnitOfWorkChangeSet) ((UnitOfWorkImpl) query.getSession()).getUnitOfWorkChangeSet();
changeSet = (ObjectChangeSet) uowChangeSet.getObjectChangeSetForClone(object);
}
WriteObjectQuery writeQuery = new WriteObjectQuery();
writeQuery.setIsExecutionClone(true);
writeQuery.setObject(object);
writeQuery.setObjectChangeSet(changeSet);
writeQuery.setCascadePolicy(query.getCascadePolicy());
query.getSession().executeQuery(writeQuery);
}
}