/**
* INTERNAL Return true if it uses a cast class and query is downcasting. It will look into
* inheritance hierarchy of the root descriptor.
*/
public boolean isDowncast(ClassDescriptor rootDescriptor, AbstractSession session) {
if (castClass == null) {
return false;
}
if (rootDescriptor.getJavaClass() == castClass) {
return false;
}
ClassDescriptor castDescriptor = session.getClassDescriptor(castClass);
if (castDescriptor == null) {
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
if (castDescriptor.getInheritancePolicy() == null) {
throw QueryException.castMustUseInheritance(getBaseExpression());
}
ClassDescriptor parentDescriptor = castDescriptor.getInheritancePolicy().getParentDescriptor();
while (parentDescriptor != null) {
if (parentDescriptor == rootDescriptor) {
return true;
}
parentDescriptor = parentDescriptor.getInheritancePolicy().getParentDescriptor();
}
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
/**
* INTERNAL Return the descriptor which contains this query key, look in the inheritance hierarchy
* of rootDescriptor for the descriptor.
*/
public ClassDescriptor convertToCastDescriptor(
ClassDescriptor rootDescriptor, AbstractSession session) {
if (castClass == null || rootDescriptor == null || rootDescriptor.getJavaClass() == castClass) {
return rootDescriptor;
}
ClassDescriptor castDescriptor = session.getClassDescriptor(castClass);
if (castDescriptor == null) {
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
if (!castDescriptor.hasInheritance()) {
throw QueryException.castMustUseInheritance(getBaseExpression());
}
ClassDescriptor parentDescriptor = castDescriptor.getInheritancePolicy().getParentDescriptor();
while (parentDescriptor != null) {
if (parentDescriptor == rootDescriptor) {
return castDescriptor;
}
parentDescriptor = parentDescriptor.getInheritancePolicy().getParentDescriptor();
}
ClassDescriptor childDescriptor = rootDescriptor;
while (childDescriptor != null) {
if (childDescriptor == castDescriptor) {
return rootDescriptor;
}
childDescriptor = childDescriptor.getInheritancePolicy().getParentDescriptor();
}
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
/**
* INTERNAL - Return the descriptor which contains this query key, look in the inheritance
* hierarchy of rootDescriptor for the descriptor. Does not set the descriptor, only returns it.
*/
public ClassDescriptor convertToCastDescriptor(
ClassDescriptor rootDescriptor, AbstractSession session) {
isDowncast = Boolean.FALSE;
if (castClass == null || rootDescriptor == null || rootDescriptor.getJavaClass() == castClass) {
return rootDescriptor;
}
ClassDescriptor castDescriptor = session.getClassDescriptor(castClass);
if (castDescriptor == null) {
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
if (!castDescriptor.hasInheritance()) {
throw QueryException.castMustUseInheritance(getBaseExpression());
}
ClassDescriptor parentDescriptor = castDescriptor.getInheritancePolicy().getParentDescriptor();
while (parentDescriptor != null) {
if (parentDescriptor == rootDescriptor) {
isDowncast = Boolean.TRUE;
return castDescriptor;
}
parentDescriptor = parentDescriptor.getInheritancePolicy().getParentDescriptor();
}
// is there value casting an emp to person in a query?
ClassDescriptor childDescriptor = rootDescriptor;
while (childDescriptor != null) {
if (childDescriptor == castDescriptor) {
return rootDescriptor;
}
childDescriptor = childDescriptor.getInheritancePolicy().getParentDescriptor();
}
throw QueryException.couldNotFindCastDescriptor(castClass, getBaseExpression());
}
/** INTERNAL: */
@Override
public List<DatabaseField> getSelectionFields(ReadQuery query) {
if (getDescriptor() == null) {
DatabaseMapping mapping = getMapping();
if (mapping != null) {
return mapping.getSelectFields();
}
return new ArrayList<DatabaseField>(0);
}
if (descriptor.hasInheritance()
&& descriptor.getInheritancePolicy().shouldReadSubclasses()
&& (!descriptor.getInheritancePolicy().hasMultipleTableChild())
|| shouldUseOuterJoinForMultitableInheritance()) {
// return all fields because we can.
if (query != null && query.isObjectLevelReadQuery()) {
return descriptor.getAllSelectionFields((ObjectLevelReadQuery) query);
} else {
return descriptor.getAllSelectionFields();
}
} else {
if (query != null && query.isObjectLevelReadQuery()) {
return descriptor.getSelectionFields((ObjectLevelReadQuery) query);
} else {
return descriptor.getSelectionFields();
}
}
}
/**
* INTERNAL: this returns a single expression to represent the join from the main table to all
* child descriptor tables Only if outer joins should be printed in the where clause
*
* @return Expression
*/
public Expression getTreatCriteria() {
if (getDescriptor() == null) {
return null;
}
// need to build this using just the multiple tables on this descriptor not included in the
// parent's join expression
Expression criteria = null;
if (getSession().getPlatform().shouldPrintOuterJoinInWhereClause()) {
Vector tables = getDescriptor().getTables(); // This child's tables
ClassDescriptor parentDescriptor = this.typeExpressionBase.getDescriptor();
int tablesSize = tables.size();
if (parentDescriptor.hasInheritance()
&& parentDescriptor.getInheritancePolicy().hasMultipleTableChild()) {
// look up the joins from the parent descriptor to our tables.
for (int i = 0; i < tablesSize; i++) {
DatabaseTable table = (DatabaseTable) tables.elementAt(i);
Expression joinExpression =
parentDescriptor.getInheritancePolicy().getChildrenTablesJoinExpressions().get(table);
// Some of our tables might be the in our parent as well, so ignore the lack of a
// joinExpression
if (joinExpression != null) {
joinExpression = this.baseExpression.twist(joinExpression, this);
if (shouldUseOuterJoin()) {
joinExpression = joinExpression.convertToUseOuterJoin();
}
criteria = joinExpression.and(criteria);
}
}
}
}
return criteria;
}
/** Return any tables that are defined by this expression (and not its base). */
@Override
public List<DatabaseTable> getOwnedTables() {
ClassDescriptor descriptor = getDescriptor();
List<DatabaseTable> tables = null;
if (descriptor == null) {
List additionalTables = getAdditionalTables();
if (additionalTables == null) {
return null;
} else {
return new ArrayList(additionalTables);
}
} else if (descriptor.isAggregateDescriptor()) {
return null;
} else if ((descriptor.getHistoryPolicy() != null)
&& (getAsOfClause() != null && getAsOfClause().getValue() != null)) {
tables = descriptor.getHistoryPolicy().getHistoricalTables();
} else if (isUsingOuterJoinForMultitableInheritance()) {
tables = descriptor.getInheritancePolicy().getAllTables();
} else {
tables = descriptor.getTables();
}
List additionalTables = getAdditionalTables();
if (additionalTables != null) {
tables = new Vector(tables);
Helper.addAllUniqueToList(tables, additionalTables);
return tables;
}
return tables;
}
protected static void afterAddDescriptors(Session session, TestSystem aTestSystem) {
if (aTestSystem instanceof InheritanceSystem) {
// For using read all subclasses views.
org.eclipse.persistence.internal.databaseaccess.DatabasePlatform platform =
session.getLogin().getPlatform();
if (platform.isOracle() || platform.isSybase() || platform.isSQLAnywhere()) {
ClassDescriptor computerDescriptor = session.getClassDescriptor(Computer.class);
ClassDescriptor vehicleDescriptor = session.getClassDescriptor(Vehicle.class);
if (computerDescriptor.getInheritancePolicy().requiresMultipleTableSubclassRead()) {
computerDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllComputers");
}
if (vehicleDescriptor.getInheritancePolicy().requiresMultipleTableSubclassRead()) {
vehicleDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllVehicles");
}
}
}
}
/**
* Return whether the reference objects must be deleted one by one, as opposed to with a single
* DELETE statement.
*/
protected boolean mustDeleteReferenceObjectsOneByOne() {
ClassDescriptor referenceDescriptor = this.getReferenceDescriptor();
return referenceDescriptor.hasDependencyOnParts()
|| referenceDescriptor.usesOptimisticLocking()
|| (referenceDescriptor.hasInheritance()
&& referenceDescriptor.getInheritancePolicy().shouldReadSubclasses())
|| referenceDescriptor.hasMultipleTables();
}
protected void initializeWithTableNames(Session session, Collection tableNames) {
tableNameToClass = new Hashtable(tableNames.size());
tableNameToPkFieldNames = new Hashtable(tableNames.size());
// pkFieldVectors cached here to avoid calculating it more than once per class
Hashtable classToPkFieldNames = new Hashtable();
// loop through the descriptors to fill out tableNameToClass and tableNameToPkFieldNames
Iterator descriptors = session.getDescriptors().values().iterator();
while (descriptors.hasNext() && !tableNames.isEmpty()) {
ClassDescriptor desc = (ClassDescriptor) descriptors.next();
// Create a Vector containing names of all tables mapped to the descriptor
Vector descTableNames = desc.getTableNames();
// bypass descriptors with no tables
if (descTableNames.isEmpty()) {
continue;
}
// Remove schema names (if any) converting "SCHEMA_NAME.TABLE_NAME" to "TABLE_NAME"
removePrefixFromDatabaseObjectNames(descTableNames);
// handle inheritance: table name should be mapped to the base mapped class
Class baseClass = desc.getJavaClass();
while (desc.isChildDescriptor()) {
desc = session.getDescriptor(desc.getInheritancePolicy().getParentClass());
baseClass = desc.getJavaClass();
}
Iterator it = tableNames.iterator();
while (it.hasNext()) {
// for each tableName specified by the user
String tableName = (String) it.next();
// verify whether the descriptor maps a table with the same name
if (descTableNames.contains(tableName)) {
// map the table name to the baseClass corresponding to the descriptor
tableNameToClass.put(tableName, baseClass);
// try to obtain cached pkFieldNames Vector corresponding to baseClass
Vector pkFieldNames = (Vector) classToPkFieldNames.get(baseClass);
if (pkFieldNames == null) {
// Create a Vector containing names of all primary key fields
pkFieldNames = desc.getPrimaryKeyFieldNames();
// Remove table name converting from "TABLE_NAME.FIELD_NAME" to "FIELD_NAME"
removePrefixFromDatabaseObjectNames(pkFieldNames);
// cache pkFieldNames Vector corresponding to baseClass
classToPkFieldNames.put(baseClass, pkFieldNames);
}
// map the table name to the Vector of names of primary key fields.
tableNameToPkFieldNames.put(tableName, pkFieldNames);
// the table name is mapped - remove it from the list of table names to be mapped.
it.remove();
}
}
}
}
/**
* INTERNAL: Not to be confused with the public getField(String) This returns a collection of all
* fields associated with this object. Really only applies to query keys representing an object or
* to expression builders.
*/
@Override
public Vector getFields() {
if (getDescriptor() == null) {
DatabaseMapping mapping = getMapping();
if (mapping != null) {
return mapping.getSelectFields();
}
return new NonSynchronizedVector(0);
}
if (descriptor.hasInheritance()
&& descriptor.getInheritancePolicy().shouldReadSubclasses()
&& (!descriptor.getInheritancePolicy().hasMultipleTableChild())
|| shouldUseOuterJoinForMultitableInheritance()) {
// return all fields because we can.
return descriptor.getAllFields();
} else {
return descriptor.getFields();
}
}
/**
* INTERNAL: Used in case outer joins should be printed in FROM clause. Each of the additional
* tables mapped to expressions that joins it.
*/
public Map additionalTreatExpressionCriteriaMap() {
if (getDescriptor() == null) {
return null;
}
int tableSize = 0;
HashMap tablesJoinExpressions = new HashMap();
ClassDescriptor parentDescriptor = this.typeExpressionBase.getDescriptor();
// outerjoin our parent->child tables
if (parentDescriptor.hasInheritance()
&& parentDescriptor.getInheritancePolicy().hasMultipleTableChild()) {
Vector tables = getDescriptor().getTables(); // All this child's tables
tableSize = tables.size();
// look up the joins from the parent descriptor to our tables.
for (int i = 0; i < tableSize; i++) {
DatabaseTable table = (DatabaseTable) tables.elementAt(i);
Expression joinExpression =
parentDescriptor.getInheritancePolicy().getChildrenTablesJoinExpressions().get(table);
// Some of our tables might be the in our parent as well, so ignore the lack of a
// joinExpression
if (joinExpression != null) {
joinExpression = this.baseExpression.twist(joinExpression, this);
tablesJoinExpressions.put(table, joinExpression);
}
}
}
if (isUsingOuterJoinForMultitableInheritance()) {
List childrenTables = getDescriptor().getInheritancePolicy().getChildrenTables();
tableSize = childrenTables.size();
for (int i = 0; i < tableSize; i++) {
DatabaseTable table = (DatabaseTable) childrenTables.get(i);
Expression joinExpression =
getDescriptor().getInheritancePolicy().getChildrenTablesJoinExpressions().get(table);
joinExpression = this.baseExpression.twist(joinExpression, this);
tablesJoinExpressions.put(table, joinExpression);
}
}
return tablesJoinExpressions;
}
protected void setup() {
getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
descriptorToModify =
project
.getDescriptors()
.get(org.eclipse.persistence.testing.models.employee.domain.Project.class);
descriptorToModify
.getInheritancePolicy()
.setReadAllSubclassesViewName("Testing getReadAllSubclassesView ()");
}
public static Hashtable buildInheritanceHierarchyTree(Project project) {
Map descriptors = project.getDescriptors();
Hashtable hierarchyTree = new Hashtable(descriptors.size());
for (Iterator descriptorIterator = descriptors.values().iterator();
descriptorIterator.hasNext(); ) {
ClassDescriptor descriptor = (ClassDescriptor) descriptorIterator.next();
String className = descriptor.getJavaClassName();
if (className == null) {
className = descriptor.getJavaClass().getName();
}
HierarchyNode node = getNodeForClass(className, hierarchyTree);
if (descriptor.hasInheritance()
&& (descriptor.getInheritancePolicy().getParentClassName() != null)) {
HierarchyNode parentNode =
getNodeForClass(descriptor.getInheritancePolicy().getParentClassName(), hierarchyTree);
node.setParent(parentNode);
}
}
return hierarchyTree;
}
public void addDescriptors(DatabaseSession session) {
// Oracle has bug in outjoins that require outerjoin of inheritance type.
// This should really be handled by the platform during expression normalization...
// Id for Entomologist can be negative (millis cast to int wraps...)
project.getDescriptor(Entomologist.class).setIdValidation(IdValidation.NONE);
session.addDescriptors(project);
// For using read all subclasses views.
DatabasePlatform platform = session.getLogin().getPlatform();
if (platform.isOracle() || platform.isSybase()) {
ClassDescriptor computerDescriptor = session.getDescriptor(Computer.class);
ClassDescriptor vehicleDescriptor = session.getDescriptor(Vehicle.class);
computerDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllComputers");
vehicleDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllVehicles");
}
// Enable outer-join on AnimalMatt hierarchy.
session
.getDescriptor(Animal_Matt.class)
.getInheritancePolicy()
.setShouldOuterJoinSubclasses(true);
}
/**
* INTERNAL: much like getOwnedTables(), this gets the tables represented from the descriptor.
* Difference is this only returns local tables for the child casted descriptor, and excludes
* tables owned by the parent descriptor
*/
public List<DatabaseTable> getOwnedSubTables() {
ClassDescriptor parentDescriptor = this.typeExpressionBase.getDescriptor();
Vector<DatabaseTable> childTables = new Vector(2);
if (parentDescriptor.hasInheritance()
&& parentDescriptor.getInheritancePolicy().hasMultipleTableChild()) {
List parentTables = typeExpressionBase.getOwnedTables();
// All tables for this child, including parent tables
Vector<DatabaseTable> tables = getDescriptor().getTables();
for (DatabaseTable table : tables) {
if (!parentTables.contains(table)) {
childTables.add(table);
}
}
}
return childTables;
}
protected Object readObjectFromRow(Session session, ClassDescriptor desc, Record row) {
if (desc.hasInheritance()) {
Class newClass =
desc.getInheritancePolicy().classFromRow((DatabaseRecord) row, (AbstractSession) session);
desc = session.getClassDescriptor(newClass);
}
Object object = desc.getObjectBuilder().buildNewInstance();
ReadObjectQuery query = new ReadObjectQuery();
query.setSession((AbstractSession) session);
for (Enumeration mappings = desc.getMappings().elements(); mappings.hasMoreElements(); ) {
DatabaseMapping mapping = (DatabaseMapping) mappings.nextElement();
mapping.readFromRowIntoObject(
(DatabaseRecord) row,
query.getJoinedAttributeManager(),
object,
null,
query,
query.getSession(),
true);
}
return object;
}
public void customize(ClassDescriptor descriptor) {
descriptor.getInheritancePolicy().setShouldOuterJoinSubclasses(true);
}
/**
* INTERNAL: Build and return the nested rows from the specified field value. This method allows
* the field value to be an ARRAY containing other structures such as arrays or Struct, or direct
* values.
*/
public static Object buildContainerFromArray(
Array fieldValue, ObjectRelationalDatabaseField arrayField, AbstractSession session)
throws DatabaseException {
if (arrayField.getType() == null) {
return fieldValue;
}
Object[] objects = null;
try {
objects = (Object[]) fieldValue.getArray();
} catch (java.sql.SQLException ex) {
throw DatabaseException.sqlException(ex, session, false);
}
if (objects == null) {
return null;
}
boolean isNestedStructure = false;
ObjectRelationalDataTypeDescriptor ord = null;
DatabaseField nestedType = null;
if (arrayField != null) {
nestedType = arrayField.getNestedTypeField();
if ((nestedType != null) && nestedType.getSqlType() == Types.STRUCT) {
ClassDescriptor descriptor = session.getDescriptor(nestedType.getType());
if ((descriptor != null) && (descriptor.isObjectRelationalDataTypeDescriptor())) {
// this is used to convert non-null objects passed through stored procedures and custom
// SQL to structs
ord = (ObjectRelationalDataTypeDescriptor) descriptor;
}
} else if ((nestedType != null) && (nestedType instanceof ObjectRelationalDatabaseField)) {
isNestedStructure = true;
}
}
// handle ARRAY conversions
ReadObjectQuery query = new ReadObjectQuery();
query.setSession(session);
ContainerPolicy cp = ContainerPolicy.buildPolicyFor(arrayField.getType());
Object container = cp.containerInstance(objects.length);
for (int i = 0; i < objects.length; i++) {
Object arrayValue = objects[i];
if (arrayValue == null) {
return null;
}
if (ord != null) {
AbstractRecord nestedRow = ord.buildRowFromStructure((Struct) arrayValue);
ClassDescriptor descriptor = ord;
if (descriptor.hasInheritance()) {
Class newElementClass =
descriptor.getInheritancePolicy().classFromRow(nestedRow, session);
if (!descriptor.getJavaClass().equals(newElementClass)) {
descriptor = session.getDescriptor(newElementClass);
if (descriptor == null) {
descriptor = ord;
}
}
}
arrayValue = descriptor.getObjectBuilder().buildNewInstance();
descriptor
.getObjectBuilder()
.buildAttributesIntoObject(arrayValue, nestedRow, query, null, false);
} else if (isNestedStructure && (arrayValue instanceof Array)) {
arrayValue =
buildContainerFromArray(
(Array) arrayValue, (ObjectRelationalDatabaseField) nestedType, session);
}
cp.addInto(arrayValue, container, session);
}
return container;
}
public Object buildObjectFromNestedRow(
AbstractRecord nestedRow,
JoinedAttributeManager joinManager,
ObjectBuildingQuery sourceQuery,
AbstractSession executionSession,
boolean isTargetProtected) {
Object objectToAdd = null;
ClassDescriptor aDescriptor = getReferenceDescriptor((DOMRecord) nestedRow);
if (aDescriptor == null) {
if ((getKeepAsElementPolicy() == UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT)
|| (getKeepAsElementPolicy() == UnmarshalKeepAsElementPolicy.KEEP_ALL_AS_ELEMENT)) {
XMLPlatformFactory.getInstance()
.getXMLPlatform()
.namespaceQualifyFragment((Element) ((DOMRecord) nestedRow).getDOM());
objectToAdd = ((DOMRecord) nestedRow).getDOM();
convertDataValueToObjectValue(
objectToAdd, executionSession, ((XMLRecord) nestedRow).getUnmarshaller());
// simple case
objectToAdd = convertToSimpleTypeIfPresent(objectToAdd, nestedRow, executionSession);
} else {
NodeList children = ((Element) ((DOMRecord) nestedRow).getDOM()).getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node nextNode = children.item(i);
if (nextNode.getNodeType() == nextNode.ELEMENT_NODE) {
// complex child
String type =
((Element) ((DOMRecord) nestedRow).getDOM())
.getAttributeNS(
javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI,
XMLConstants.SCHEMA_TYPE_ATTRIBUTE);
if (type != null && type.length() > 0) {
throw XMLMarshalException.unknownXsiTypeValue(type, (Mapping) this);
} else {
throw XMLMarshalException.noDescriptorFound((Mapping) this);
}
}
}
// simple case
objectToAdd = convertToSimpleTypeIfPresent(objectToAdd, nestedRow, executionSession);
}
} else {
if (aDescriptor.hasInheritance()) {
Class newElementClass =
aDescriptor.getInheritancePolicy().classFromRow(nestedRow, executionSession);
if (newElementClass == null) {
// no xsi:type attribute - look for type indicator on the field
QName leafElementType = ((XMLField) getField()).getLeafElementType();
if (leafElementType != null) {
XPathQName leafElementXPathQName =
new XPathQName(leafElementType, ((XMLRecord) nestedRow).isNamespaceAware());
Object indicator =
aDescriptor
.getInheritancePolicy()
.getClassIndicatorMapping()
.get(leafElementXPathQName);
if (indicator != null) {
newElementClass = (Class) indicator;
}
}
}
if (newElementClass != null) {
aDescriptor = this.getReferenceDescriptor(newElementClass, executionSession);
} else {
// since there is no xsi:type attribute or leaf element type set,
// use the reference descriptor - make sure it is non-abstract
if (Modifier.isAbstract(aDescriptor.getJavaClass().getModifiers())) {
// throw an exception
throw DescriptorException.missingClassIndicatorField(
nestedRow, aDescriptor.getInheritancePolicy().getDescriptor());
}
}
}
// Object element
objectToAdd =
buildCompositeObject(
aDescriptor, nestedRow, sourceQuery, null, joinManager, executionSession);
objectToAdd =
convertDataValueToObjectValue(
objectToAdd, executionSession, ((XMLRecord) nestedRow).getUnmarshaller());
}
return objectToAdd;
}
protected void onConnectAllSequences() {
connectedSequences = new Vector();
boolean shouldUseTransaction = false;
boolean shouldUsePreallocation = false;
boolean shouldAcquireValueAfterInsert = false;
Iterator descriptors = getOwnerSession().getDescriptors().values().iterator();
while (descriptors.hasNext()) {
ClassDescriptor descriptor = (ClassDescriptor) descriptors.next();
// Find root sequence, because inheritance needs to be resolved here.
// TODO: The way we initialize sequencing needs to be in line with descriptor init.
ClassDescriptor parentDescriptor = descriptor;
while (!parentDescriptor.usesSequenceNumbers() && parentDescriptor.isChildDescriptor()) {
ClassDescriptor newDescriptor =
getOwnerSession()
.getDescriptor(parentDescriptor.getInheritancePolicy().getParentClass());
// Avoid issue with error cases of self parent, or null parent.
if ((newDescriptor == null) || (newDescriptor == parentDescriptor)) {
break;
}
parentDescriptor = newDescriptor;
}
if (!parentDescriptor.usesSequenceNumbers()) {
continue;
}
String seqName = parentDescriptor.getSequenceNumberName();
Sequence sequence = getSequence(seqName);
if (sequence == null) {
sequence = new DefaultSequence(seqName);
getOwnerSession().getDatasourcePlatform().addSequence(sequence);
}
// PERF: Initialize the sequence, this avoid having to look it up every time.
descriptor.setSequence(sequence);
if (connectedSequences.contains(sequence)) {
continue;
}
try {
if (sequence instanceof DefaultSequence
&& !connectedSequences.contains(getDefaultSequence())) {
getDefaultSequence().onConnect(getOwnerSession().getDatasourcePlatform());
connectedSequences.add(0, getDefaultSequence());
shouldUseTransaction |= getDefaultSequence().shouldUseTransaction();
shouldUsePreallocation |= getDefaultSequence().shouldUsePreallocation();
shouldAcquireValueAfterInsert |= getDefaultSequence().shouldAcquireValueAfterInsert();
}
sequence.onConnect(getOwnerSession().getDatasourcePlatform());
connectedSequences.addElement(sequence);
shouldUseTransaction |= sequence.shouldUseTransaction();
shouldUsePreallocation |= sequence.shouldUsePreallocation();
shouldAcquireValueAfterInsert |= sequence.shouldAcquireValueAfterInsert();
} catch (RuntimeException ex) {
// defaultSequence has to disconnect the last
for (int i = connectedSequences.size() - 1; i >= 0; i--) {
try {
Sequence sequenceToDisconnect = (Sequence) connectedSequences.elementAt(i);
sequenceToDisconnect.onDisconnect(getOwnerSession().getDatasourcePlatform());
} catch (RuntimeException ex2) {
// ignore
}
}
connectedSequences = null;
throw ex;
}
}
if (shouldAcquireValueAfterInsert && !shouldUsePreallocation) {
whenShouldAcquireValueForAll = AFTER_INSERT;
} else if (!shouldAcquireValueAfterInsert && shouldUsePreallocation) {
whenShouldAcquireValueForAll = BEFORE_INSERT;
}
atLeastOneSequenceShouldUseTransaction = shouldUseTransaction;
atLeastOneSequenceShouldUsePreallocation = shouldUsePreallocation;
}
