protected Hashtable removeDuplicateAndValidateInfos(AbstractSession session) {
Hashtable infoHashtable = new Hashtable();
for (int i = 0; i < infos.size(); i++) {
Info info1 = infos.get(i);
info1 = (Info) info1.clone();
DatabaseField descField = getDescriptor().buildField(info1.getField());
if (info1.getField().getType() == null) {
info1.setField(descField);
} else {
// keep the original type if specified
info1.getField().setName(descField.getName());
info1
.getField()
.setTableName(
getDescriptor().getDefaultTable().getQualifiedNameDelimited(session.getPlatform()));
}
Info info2 = (Info) infoHashtable.get(info1.getField());
if (info2 == null) {
infoHashtable.put(info1.getField(), info1);
} else {
Info infoMerged = mergeInfos(info1, info2, session, getDescriptor());
if (infoMerged != null) {
// substitute info2 with infoMerged
infoHashtable.put(infoMerged.getField(), infoMerged);
} else {
// couldn't merge info1 and info2 due to a conflict.
// substitute info2 with info1
infoHashtable.put(info1.getField(), info1);
}
}
}
return infoHashtable;
}
/** INTERNAL: Print SQL onto the stream, using the ExpressionPrinter for context */
public void printSQL(ExpressionSQLPrinter printer) {
if (isAttribute()) {
printer.printField(getAliasedField());
}
// If the mapping is a direct collection then this falls into a gray area.
// It must be treated as an attribute at this moment for it has a direct field.
// However it is not an attribute in the sense that it also represents a foreign
// reference and a mapping criteria has been added.
// For bug 2900974 these are now handled as non-attributes during normalize but
// as attributes when printing SQL.
//
if ((!isAttribute()) && (getMapping() != null) && getMapping().isDirectCollectionMapping()) {
DirectCollectionMapping directCollectionMapping = (DirectCollectionMapping) getMapping();
// The aliased table comes for free as it was a required part of the join criteria.
TableExpression table =
(TableExpression) getTable(directCollectionMapping.getReferenceTable());
DatabaseTable aliasedTable = table.aliasForTable(table.getTable());
DatabaseField aliasedField = (DatabaseField) directCollectionMapping.getDirectField().clone();
aliasedField.setTable(aliasedTable);
printer.printField(aliasedField);
}
if ((getMapping() != null) && getMapping().isNestedTableMapping()) {
DatabaseTable tableAlias = aliasForTable(new NestedTable(this));
printer.printString(tableAlias.getName());
}
}
/** INTERNAL: */
protected Vector<DatabaseField> getVectorOfFieldsToGenerate(int operation, DatabaseTable table) {
if (this.main[operation][ALL] == null) {
return null;
}
if (this.tableToFieldsForGenerationMap == null) {
// the method is called for the first time
tableToFieldsForGenerationMap = new HashMap[NUM_OPERATIONS];
}
if (this.tableToFieldsForGenerationMap[operation] == null) {
// the method is called for the first time for this operation
this.tableToFieldsForGenerationMap[operation] = new HashMap();
}
Vector<DatabaseField> fieldsForGeneration =
this.tableToFieldsForGenerationMap[operation].get(table);
if (fieldsForGeneration == null) {
// the method is called for the first time for this operation and this table
fieldsForGeneration = new NonSynchronizedVector();
Iterator it = this.main[operation][ALL].iterator();
while (it.hasNext()) {
DatabaseField field = (DatabaseField) it.next();
if (field.getTable().equals(table)) {
fieldsForGeneration.add(field);
}
}
this.tableToFieldsForGenerationMap[operation].put(table, fieldsForGeneration);
}
return fieldsForGeneration;
}
Info(DatabaseField field, boolean isInsert, boolean isInsertModeReturnOnly, boolean isUpdate) {
this.field = field;
if (field != null) {
if (field.getType() != null) {
setReferenceClass(field.getType());
}
}
this.isInsert = isInsert;
this.isInsertModeReturnOnly = isInsertModeReturnOnly;
this.isUpdate = isUpdate;
}
@Override
public int hashCode() {
DatabaseField field = getField();
Class type = field != null ? field.getType() : null;
boolean isInsert = isInsert();
boolean isInsertModeReturnOnly = isInsertModeReturnOnly();
boolean isUpdate = isUpdate();
int result = field != null ? field.hashCode() : 0;
result = 31 * result + (type != null ? type.hashCode() : 0);
result = 31 * result + (isInsert ? 1 : 0);
result = 31 * result + (isInsertModeReturnOnly ? 1 : 0);
result = 31 * result + (isUpdate ? 1 : 0);
return result;
}
/** INTERNAL: Both ReturningPolicies should be initialized */
public boolean hasEqualMains(ReturningPolicy policy) {
Collection[][] mainToCompare = policy.main;
if (main == mainToCompare) {
return true;
}
for (int operation = INSERT; operation <= UPDATE; operation++) {
for (int state = RETURN_ONLY; state < MAIN_SIZE; state++) {
if ((main[operation][state] == null) && (mainToCompare[operation][state] != null)) {
return false;
}
if ((main[operation][state] != null) && (mainToCompare[operation][state] == null)) {
return false;
}
if (!main[operation][state].equals(mainToCompare[operation][state])) {
return false;
}
}
}
// now compare types
Hashtable allFields = new Hashtable();
for (int operation = INSERT; operation <= UPDATE; operation++) {
if (main[operation][ALL] != null) {
Iterator it = main[operation][ALL].iterator();
while (it.hasNext()) {
DatabaseField field = (DatabaseField) it.next();
allFields.put(field, field);
}
}
}
for (int operation = INSERT; operation <= UPDATE; operation++) {
if (mainToCompare[operation][ALL] != null) {
Iterator it = mainToCompare[operation][ALL].iterator();
while (it.hasNext()) {
DatabaseField fieldToCompare = (DatabaseField) it.next();
DatabaseField field = (DatabaseField) allFields.get(fieldToCompare);
if (!field.getType().equals(fieldToCompare.getType())) {
return false;
}
}
}
}
return true;
}
protected static boolean verifyField(
AbstractSession session, DatabaseField field, ClassDescriptor descriptor) {
boolean ok = true;
if (field.equals(descriptor.getSequenceNumberField())) {
ok = false;
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyFieldNotSupported(field.getName(), descriptor));
} else if (descriptor.hasInheritance()
&& field.equals(descriptor.getInheritancePolicy().getClassIndicatorField())) {
ok = false;
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyFieldNotSupported(field.getName(), descriptor));
} else if (descriptor.usesOptimisticLocking()) {
OptimisticLockingPolicy optimisticLockingPolicy = descriptor.getOptimisticLockingPolicy();
if (optimisticLockingPolicy instanceof VersionLockingPolicy) {
VersionLockingPolicy versionLockingPolicy = (VersionLockingPolicy) optimisticLockingPolicy;
if (field.equals(versionLockingPolicy.getWriteLockField())) {
ok = false;
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyFieldNotSupported(
field.getName(), descriptor));
}
}
}
return ok;
}
/** INTERNAL: */
protected void fieldIsNotFromDescriptor(DatabaseField field) {
if (field.getTable().equals(getDescriptor().getDefaultTable())) {
if (this.fieldsNotFromDescriptor_DefaultTable == null) {
this.fieldsNotFromDescriptor_DefaultTable = new HashMap();
}
this.fieldsNotFromDescriptor_DefaultTable.put(field, field);
} else {
if (this.fieldsNotFromDescriptor_OtherTables == null) {
this.fieldsNotFromDescriptor_OtherTables = new HashMap();
}
this.fieldsNotFromDescriptor_OtherTables.put(field, field);
}
}
/** INTERNAL: Alias the database field for our current environment */
protected void initializeAliasedField() {
DatabaseField tempField = (DatabaseField) getField().clone();
DatabaseTable aliasedTable = getAliasedTable();
// Put in a special check here so that if the aliasing does nothing we don't cache the
// result because it's invalid. This saves us from caching premature data if e.g. debugging
// causes us to print too early"
// if (aliasedTable.equals(getField().getTable())) {
// return;
// } else {
aliasedField = tempField;
aliasedField.setTable(aliasedTable);
// }
}
protected static boolean verifyFieldAndMapping(
AbstractSession session,
DatabaseField field,
ClassDescriptor descriptor,
DatabaseMapping mapping) {
verifyField(session, field, descriptor);
while (mapping.isAggregateObjectMapping()) {
ClassDescriptor referenceDescriptor =
((AggregateObjectMapping) mapping).getReferenceDescriptor();
mapping = referenceDescriptor.getObjectBuilder().getMappingForField(field);
verifyFieldAndMapping(session, field, referenceDescriptor, mapping);
}
if (!mapping.isDirectToFieldMapping() && !mapping.isTransformationMapping()) {
String mappingTypeName = Helper.getShortClassName(mapping);
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyMappingNotSupported(
field.getName(), mappingTypeName, mapping));
return false;
} else {
return true;
}
}
/** INTERNAL: */
public void validationAfterDescriptorInitialization(AbstractSession session) {
Hashtable mapped = new Hashtable();
for (int operation = INSERT; operation <= UPDATE; operation++) {
if ((main[operation][MAPPED] != null) && !main[operation][MAPPED].isEmpty()) {
Iterator it = main[operation][MAPPED].iterator();
while (it.hasNext()) {
DatabaseField field = (DatabaseField) it.next();
mapped.put(field, field);
}
}
}
if (!mapped.isEmpty()) {
for (Enumeration fields = getDescriptor().getFields().elements();
fields.hasMoreElements(); ) {
DatabaseField fieldInDescriptor = (DatabaseField) fields.nextElement();
DatabaseField fieldInMain = (DatabaseField) mapped.get(fieldInDescriptor);
if (fieldInMain != null) {
if (fieldInMain.getType() == null) {
if (getDescriptor().isReturnTypeRequiredForReturningPolicy()) {
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyMappedFieldTypeNotSet(
fieldInMain.getName(), getDescriptor()));
}
} else if (isThereATypeConflict(fieldInMain, fieldInDescriptor)) {
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyAndDescriptorFieldTypeConflict(
fieldInMain.getName(),
fieldInMain.getType().getName(),
fieldInDescriptor.getType().getName(),
getDescriptor()));
}
}
}
}
if (!(session.getDatasourcePlatform() instanceof DatabasePlatform)) {
// don't attempt further diagnostics on non-relational platforms
return;
}
WriteObjectQuery[] query = {
getDescriptor().getQueryManager().getInsertQuery(),
getDescriptor().getQueryManager().getUpdateQuery()
};
String[] queryTypeName = {"InsertObjectQuery", "UpdateObjectQuery"};
for (int operation = INSERT; operation <= UPDATE; operation++) {
if ((main[operation][ALL] != null) && !main[operation][ALL].isEmpty()) {
// this operation requires some fields to be returned
if ((query[operation] == null) || (query[operation].getDatasourceCall() == null)) {
if (!session.getPlatform().canBuildCallWithReturning()) {
session
.getIntegrityChecker()
.handleError(
DescriptorException.noCustomQueryForReturningPolicy(
queryTypeName[operation],
Helper.getShortClassName(session.getPlatform()),
getDescriptor()));
}
} else if (query[operation].getDatasourceCall() instanceof StoredProcedureCall) {
// SQLCall with custom SQL calculates its outputRowFields later (in prepare() method) -
// that's why SQLCall can't be verified here.
DatabaseCall customCall = (DatabaseCall) query[operation].getDatasourceCall();
Enumeration outputRowFields = customCall.getOutputRowFields().elements();
Collection notFoundInOutputRow = createCollection();
notFoundInOutputRow.addAll(main[operation][ALL]);
while (outputRowFields.hasMoreElements()) {
notFoundInOutputRow.remove(outputRowFields.nextElement());
}
if (!notFoundInOutputRow.isEmpty()) {
Iterator it = notFoundInOutputRow.iterator();
while (it.hasNext()) {
DatabaseField field = (DatabaseField) it.next();
session
.getIntegrityChecker()
.handleError(
DescriptorException.customQueryAndReturningPolicyFieldConflict(
field.getName(), queryTypeName[operation], getDescriptor()));
}
}
}
}
}
}
/** INTERNAL: */
public void initialize(AbstractSession session) {
clearInitialization();
main = new Collection[NUM_OPERATIONS][MAIN_SIZE];
// The order of descriptor initialization guarantees initialization of Parent before children.
// main array is copied from Parent's ReturningPolicy
if (getDescriptor().isChildDescriptor()) {
ClassDescriptor parentDescriptor =
getDescriptor().getInheritancePolicy().getParentDescriptor();
if (parentDescriptor.hasReturningPolicy()) {
copyMainFrom(parentDescriptor.getReturningPolicy());
}
}
if (!infos.isEmpty()) {
Hashtable infoHashtable = removeDuplicateAndValidateInfos(session);
Hashtable infoHashtableUnmapped = (Hashtable) infoHashtable.clone();
for (Enumeration fields = getDescriptor().getFields().elements();
fields.hasMoreElements(); ) {
DatabaseField field = (DatabaseField) fields.nextElement();
Info info = (Info) infoHashtableUnmapped.get(field);
if (info != null) {
infoHashtableUnmapped.remove(field);
if (verifyFieldAndMapping(session, field)) {
if (info.getField().getType() == null) {
addMappedFieldToMain(field, info);
} else {
addMappedFieldToMain(info.getField(), info);
fieldIsNotFromDescriptor(info.getField());
}
}
}
}
if (!infoHashtableUnmapped.isEmpty()) {
Enumeration fields = infoHashtableUnmapped.keys();
while (fields.hasMoreElements()) {
DatabaseField field = (DatabaseField) fields.nextElement();
Info info = (Info) infoHashtableUnmapped.get(field);
if (verifyField(session, field, getDescriptor())) {
if (field.getType() != null) {
addUnmappedFieldToMain(field, info);
fieldIsNotFromDescriptor(field);
session.log(
SessionLog.FINEST,
SessionLog.QUERY,
"added_unmapped_field_to_returning_policy",
info.toString(),
getDescriptor().getJavaClassName());
} else {
if (getDescriptor().isReturnTypeRequiredForReturningPolicy()) {
session
.getIntegrityChecker()
.handleError(
DescriptorException.returningPolicyUnmappedFieldTypeNotSet(
field.getName(), getDescriptor()));
}
}
}
}
}
}
initializeIsUsedToSetPrimaryKey();
}
/** INTERNAL: */
protected DatabaseField createField(String qualifiedName, Class type) {
DatabaseField field = new DatabaseField(qualifiedName);
field.setType(type);
return field;
}
// used only on equal fields: field1.equals(field2)
protected static boolean isThereATypeConflict(DatabaseField field1, DatabaseField field2) {
return (field1.getType() != null)
&& (field2.getType() != null)
&& !field1.getType().equals(field2.getType());
}
public void setField(DatabaseField field) {
this.field = field;
if ((field.getType() == null) && (referenceClass != null)) {
field.setType(referenceClass);
}
}
