@Override
public void preUpdate(DescriptorEvent event) {
Object source = event.getSource();
UnitOfWorkImpl unitOfWork = (UnitOfWorkImpl) event.getSession();
// preUpdate is also generated for deleted objects that were modified in this UOW.
// Do not perform preUpdate validation for such objects as preRemove would have already been
// called.
if (!unitOfWork.isObjectDeleted(source)) {
validateOnCallbackEvent(event, "preUpdate", groupPreUpdate);
}
}
public void aboutToInsert(DescriptorEvent event) {
super.aboutToInsert(event);
if (this.getDelivery() == null) {
event.updateAttributeWithObject("delivery", false);
}
if (this.getExternalCourier() == null) {
event.updateAttributeWithObject("externalCourier", false);
}
if (this.getActive() == null) {
event.updateAttributeWithObject("active", false);
}
}
public void aboutToInsert(DescriptorEvent event) {
super.aboutToInsert(event);
if (this.getVirtualEntity() == null) {
event.updateAttributeWithObject("virtualEntity", false);
}
if (this.getLegalEntity() == null) {
event.updateAttributeWithObject("legalEntity", false);
}
if (this.getAccountingEnabled() == null) {
event.updateAttributeWithObject("accountingEnabled", false);
}
if (this.getExternal() == null) {
event.updateAttributeWithObject("external", false);
}
if (this.getInventory() == null) {
event.updateAttributeWithObject("inventory", false);
}
if (this.getCarrier() == null) {
event.updateAttributeWithObject("carrier", false);
}
if (this.getWarehouse() == null) {
event.updateAttributeWithObject("warehouse", false);
}
if (this.getActive() == null) {
event.updateAttributeWithObject("active", false);
}
}
public void aboutToInsert(DescriptorEvent event) {
super.aboutToInsert(event);
if (this.getHasFromInventory() == null) {
event.updateAttributeWithObject("hasFromInventory", false);
}
if (this.getHasToInventory() == null) {
event.updateAttributeWithObject("hasToInventory", false);
}
if (this.getActive() == null) {
event.updateAttributeWithObject("active", false);
}
}
protected void setup() {
descriptor = new RelationalDescriptor();
descriptor.setJavaClass(TargetInvocationWhileEventExecutionTest.class);
descriptor.addTableName("DummyTable");
eventManager = descriptor.getEventManager();
eventManager.setPreUpdateSelector("invalidMethod"); // this method throws an exception
eventManager.initialize((AbstractSession) getSession());
event = new DescriptorEvent(new TargetInvocationWhileEventExecutionTest());
event.setEventCode(DescriptorEventManager.PreUpdateEvent);
event.setDescriptor(descriptor);
event.setSession((AbstractSession) getSession());
expectedException =
DescriptorException.targetInvocationWhileEventExecution(
"invalidMethod", descriptor, new Exception());
}
/**
* INTERNAL: Handler for the descriptor post build event. Convert the key and values to their
* appropriate type.
*/
public void postBuild(org.eclipse.persistence.descriptors.DescriptorEvent event) {
setKey(
event
.getSession()
.getDatasourceLogin()
.getDatasourcePlatform()
.getConversionManager()
.convertObject(getKey(), getKeyType()));
setValue(
event
.getSession()
.getDatasourceLogin()
.getDatasourcePlatform()
.getConversionManager()
.convertObject(getValue(), getValueType()));
}
private Validator getValidator(DescriptorEvent event) {
ClassDescriptor descriptor = event.getDescriptor();
Validator res = validatorMap.get(descriptor);
if (res == null) {
TraversableResolver traversableResolver =
new AutomaticLifeCycleValidationTraversableResolver(descriptor);
res = validatorFactory.usingContext().traversableResolver(traversableResolver).getValidator();
Validator t = validatorMap.put(descriptor, res);
if (t != null) {
// Threading collision, use existing
res = t;
}
}
return res;
}
private void validateOnCallbackEvent(
DescriptorEvent event, String callbackEventName, Class[] validationGroup) {
Object source = event.getSource();
boolean shouldValidate = BEAN_VALIDATION_HELPER.isConstrained(source.getClass());
if (shouldValidate) {
Set<ConstraintViolation<Object>> constraintViolations =
getValidator(event).validate(source, validationGroup);
if (constraintViolations.size() > 0) {
// There were errors while call to validate above.
// Throw a ConstrainViolationException as required by the spec.
// The transaction would be rolled back automatically
// TODO need to I18N this.
throw new ConstraintViolationException(
"Bean Validation constraint(s) violated while executing Automatic Bean Validation on callback event:'"
+ callbackEventName
+ "'. Please refer to embedded ConstraintViolations for details.",
(Set<ConstraintViolation<?>>)
(Object) constraintViolations); /* Do not remove the explicit
cast. This issue is related to capture#a not being instance of capture#b. */
}
}
}
/**
* INTERNAL: Perform the work to delete an object.
*
* @return object - the object being deleted.
*/
public Object executeDatabaseQuery() throws DatabaseException, OptimisticLockException {
AbstractSession session = getSession();
CommitManager commitManager = session.getCommitManager();
Object object = getObject();
boolean isUnitOfWork = session.isUnitOfWork();
try {
// Check if the object has already been committed, then no work is required
if (commitManager.isProcessedCommit(object)) {
return object;
}
commitManager.markPreModifyCommitInProgress(getObject());
if (!isUnitOfWork) {
session.beginTransaction();
}
ClassDescriptor descriptor = this.descriptor;
DescriptorEventManager eventManager = descriptor.getEventManager();
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
// Need to run pre-delete selector if available
eventManager.executeEvent(new DescriptorEvent(DescriptorEventManager.PreDeleteEvent, this));
}
// Verify if deep shallow modify is turned on
if (shouldCascadeParts()) {
descriptor.getQueryManager().preDelete(this);
}
// CR#2660080 missing aboutToDelete event.
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
DescriptorEvent event =
new DescriptorEvent(DescriptorEventManager.AboutToDeleteEvent, this);
event.setRecord(getModifyRow());
eventManager.executeEvent(event);
}
if (QueryMonitor.shouldMonitor()) {
QueryMonitor.incrementDelete(this);
}
int rowCount = 0;
// If the object was/will be deleted from a cascade delete constraint, ignore it.
if (isUnitOfWork
&& ((UnitOfWorkImpl) session).hasCascadeDeleteObjects()
&& ((UnitOfWorkImpl) session).getCascadeDeleteObjects().contains(object)) {
// Cascade delete does not check optimistic lock, assume ok.
rowCount = 1;
} else {
rowCount = getQueryMechanism().deleteObject().intValue();
}
if (rowCount < 1) {
if (session.hasEventManager()) {
session.getEventManager().noRowsModified(this, object);
}
}
if (descriptor.usesOptimisticLocking()) {
descriptor.getOptimisticLockingPolicy().validateDelete(rowCount, object, this);
}
commitManager.markPostModifyCommitInProgress(getObject());
// Verify if deep shallow modify is turned on
if (shouldCascadeParts()) {
descriptor.getQueryManager().postDelete(this);
}
if ((descriptor.getHistoryPolicy() != null)
&& descriptor.getHistoryPolicy().shouldHandleWrites()) {
descriptor.getHistoryPolicy().postDelete(this);
}
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
// Need to run post-delete selector if available
eventManager.executeEvent(
new DescriptorEvent(DescriptorEventManager.PostDeleteEvent, this));
}
if (!isUnitOfWork) {
session.commitTransaction();
}
commitManager.markCommitCompleted(object);
// CR3510313, avoid removing aggregate collections from cache (maintain cache is false).
if (shouldMaintainCache()) {
if (isUnitOfWork) {
((UnitOfWorkImpl) session).addObjectDeletedDuringCommit(object, descriptor);
} else {
session
.getIdentityMapAccessorInstance()
.removeFromIdentityMap(
getPrimaryKey(), descriptor.getJavaClass(), descriptor, object);
}
}
return object;
} catch (RuntimeException exception) {
if (!isUnitOfWork) {
session.rollbackTransaction();
}
commitManager.markCommitCompleted(object);
throw exception;
}
}
/**
* INTERNAL: Perform the work to delete an object.
*
* @return object - the object being deleted.
*/
public Object executeDatabaseQuery() throws DatabaseException, OptimisticLockException {
AbstractSession session = getSession();
CommitManager commitManager = session.getCommitManager();
Object object = getObject();
boolean isUnitOfWork = session.isUnitOfWork();
try {
// Check if the object has already been deleted, then no work is required.
if (commitManager.isCommitCompletedInPostOrIgnore(object)) {
return object;
}
ClassDescriptor descriptor = this.descriptor;
// Check whether the object is already being deleted,
// if it is, then there is a cycle, and the foreign keys must be nulled.
if (commitManager.isCommitInPreModify(object)) {
if (!commitManager.isShallowCommitted(object)) {
getQueryMechanism().updateForeignKeyFieldBeforeDelete();
if ((descriptor.getHistoryPolicy() != null)
&& descriptor.getHistoryPolicy().shouldHandleWrites()) {
descriptor.getHistoryPolicy().postUpdate(this);
}
commitManager.markShallowCommit(object);
}
return object;
}
commitManager.markPreModifyCommitInProgress(getObject());
if (!isUnitOfWork) {
session.beginTransaction();
}
DescriptorEventManager eventManager = descriptor.getEventManager();
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
// Need to run pre-delete selector if available
eventManager.executeEvent(new DescriptorEvent(DescriptorEventManager.PreDeleteEvent, this));
}
// Verify if deep shallow modify is turned on
if (shouldCascadeParts()) {
descriptor.getQueryManager().preDelete(this);
}
// Check for deletion dependencies.
if (isUnitOfWork) {
Set dependencies = ((UnitOfWorkImpl) session).getDeletionDependencies(object);
if (dependencies != null) {
for (Object dependency : dependencies) {
if (!commitManager.isCommitCompletedInPostOrIgnore(dependency)) {
ClassDescriptor dependencyDescriptor = session.getDescriptor(dependency);
// PERF: Get the descriptor query, to avoid extra query creation.
DeleteObjectQuery deleteQuery =
dependencyDescriptor.getQueryManager().getDeleteQuery();
if (deleteQuery == null) {
deleteQuery = new DeleteObjectQuery();
deleteQuery.setDescriptor(dependencyDescriptor);
} else {
// Ensure original query has been prepared.
deleteQuery.checkPrepare(session, deleteQuery.getTranslationRow());
deleteQuery = (DeleteObjectQuery) deleteQuery.clone();
}
deleteQuery.setIsExecutionClone(true);
deleteQuery.setObject(dependency);
session.executeQuery(deleteQuery);
}
}
}
}
// CR#2660080 missing aboutToDelete event.
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
DescriptorEvent event =
new DescriptorEvent(DescriptorEventManager.AboutToDeleteEvent, this);
event.setRecord(getModifyRow());
eventManager.executeEvent(event);
}
if (QueryMonitor.shouldMonitor()) {
QueryMonitor.incrementDelete(this);
}
int rowCount = 0;
// If the object was/will be deleted from a cascade delete constraint, ignore it.
if (isUnitOfWork
&& ((UnitOfWorkImpl) session).hasCascadeDeleteObjects()
&& ((UnitOfWorkImpl) session).getCascadeDeleteObjects().contains(object)) {
// Cascade delete does not check optimistic lock, assume ok.
rowCount = 1;
} else {
rowCount = getQueryMechanism().deleteObject().intValue();
}
if (rowCount < 1) {
if (session.hasEventManager()) {
session.getEventManager().noRowsModified(this, object);
}
}
if (this.usesOptimisticLocking) {
descriptor.getOptimisticLockingPolicy().validateDelete(rowCount, object, this);
}
commitManager.markPostModifyCommitInProgress(getObject());
// Verify if deep shallow modify is turned on
if (shouldCascadeParts()) {
descriptor.getQueryManager().postDelete(this);
}
if ((descriptor.getHistoryPolicy() != null)
&& descriptor.getHistoryPolicy().shouldHandleWrites()) {
descriptor.getHistoryPolicy().postDelete(this);
}
// PERF: Avoid events if no listeners.
if (eventManager.hasAnyEventListeners()) {
// Need to run post-delete selector if available
eventManager.executeEvent(
new DescriptorEvent(DescriptorEventManager.PostDeleteEvent, this));
}
if (!isUnitOfWork) {
session.commitTransaction();
}
commitManager.markCommitCompleted(object);
// CR3510313, avoid removing aggregate collections from cache (maintain cache is false).
if (shouldMaintainCache()) {
if (isUnitOfWork) {
((UnitOfWorkImpl) session).addObjectDeletedDuringCommit(object, descriptor);
} else {
session
.getIdentityMapAccessorInstance()
.removeFromIdentityMap(
getPrimaryKey(), descriptor.getJavaClass(), descriptor, object);
}
}
return object;
} catch (RuntimeException exception) {
if (!isUnitOfWork) {
session.rollbackTransaction();
}
commitManager.markCommitCompleted(object);
throw exception;
}
}
