/**
* INTERNAL: Build a row representation from the ADT structure field array. TopLink will then
* build the object from the row.
*/
public AbstractRecord buildRowFromStructure(Struct structure) throws DatabaseException {
Object[] attributes;
try {
attributes = structure.getAttributes();
} catch (java.sql.SQLException exception) {
throw DatabaseException.sqlException(exception);
}
if (attributes != null) {
for (int i = 0; i < attributes.length; i++) {
if (attributes[i] instanceof Array) {
attributes[i] =
ObjectRelationalDataTypeDescriptor.buildArrayObjectFromArray(attributes[i]);
} else if (attributes[i] instanceof Struct) {
attributes[i] =
ObjectRelationalDataTypeDescriptor.buildArrayObjectFromStruct(attributes[i]);
}
}
}
return buildNestedRowFromFieldValue(attributes);
}
@SuppressWarnings({"unchecked" /*, "rawtypes"*/})
@Override
public void beginPlsqlRecordField(String fieldName, int idx) {
RecordHelper recordHelper = (RecordHelper) stac.peek();
ObjectRelationalDataTypeDescriptor ordt =
descriptorMap.get(recordHelper.targetTypeName().toLowerCase());
String lFieldName = fieldName.toLowerCase();
boolean found = false;
Vector orderedFields = ordt.getOrderedFields();
for (Iterator i = orderedFields.iterator(); i.hasNext(); ) {
Object o = i.next();
if (o instanceof DatabaseField) {
DatabaseField field = (DatabaseField) o;
if (field.getName().equals(lFieldName)) {
found = true;
break;
}
}
}
if (!found) {
ordt.addFieldOrdering(lFieldName);
}
}
@Override
public void endPlsqlTable(String tableName, String typeDDL, String typeDropDDL) {
ListenerHelper top = stac.pop();
TableHelper tableHelper = (TableHelper) stac.peek();
String tableAlias = tableHelper.targetTypeName().toLowerCase();
ObjectRelationalDataTypeDescriptor ordt = descriptorMap.get(tableAlias);
if (ordt == null) {
ordt = new ObjectRelationalDataTypeDescriptor();
ordt.descriptorIsAggregate();
ordt.setAlias(tableHelper.tableAlias());
ordt.setJavaClassName(tableName.toLowerCase() + COLLECTION_WRAPPER_SUFFIX);
ordt.getQueryManager();
}
boolean itemsMappingFound =
ordt.getMappingForAttributeName(ITEMS_MAPPING_ATTRIBUTE_NAME) == null ? false : true;
if (top.isRecord()) {
if (!itemsMappingFound) {
ObjectArrayMapping itemsMapping = new ObjectArrayMapping();
itemsMapping.setAttributeName(ITEMS_MAPPING_ATTRIBUTE_NAME);
itemsMapping.setFieldName(ITEMS_MAPPING_FIELD_NAME);
itemsMapping.setStructureName(tableHelper.targetTypeName());
itemsMapping.setReferenceClassName(((RecordHelper) top).recordName().toLowerCase());
ordt.addMapping(itemsMapping);
}
tableHelper.nestedIsComplex();
} else {
if (!itemsMappingFound) {
ArrayMapping itemsMapping = new ArrayMapping();
itemsMapping.setAttributeName(ITEMS_MAPPING_ATTRIBUTE_NAME);
itemsMapping.setFieldName(ITEMS_MAPPING_FIELD_NAME);
itemsMapping.useCollectionClass(ArrayList.class);
itemsMapping.setStructureName(tableHelper.targetTypeName());
ordt.addMapping(itemsMapping);
}
if (top.isTable()) {
tableHelper.nestedIsComplex();
}
}
if (!itemsMappingFound) {
descriptorMap.put(tableAlias, ordt);
}
}
@Override
public void beginPlsqlRecord(String plsqlRecordName, String targetTypeName, int numFields) {
RecordHelper recordHelper = new RecordHelper(plsqlRecordName, targetTypeName, numFields);
stac.push(recordHelper);
String recordAlias = targetTypeName.toLowerCase();
ObjectRelationalDataTypeDescriptor ordt = descriptorMap.get(recordAlias);
if (ordt == null) {
ordt = new ObjectRelationalDataTypeDescriptor();
ordt.descriptorIsAggregate();
ordt.setAlias(recordAlias);
ordt.setJavaClassName(plsqlRecordName.toLowerCase());
ordt.getQueryManager();
ordt.setStructureName(targetTypeName);
descriptorMap.put(recordAlias, ordt);
}
}
@Override
public void endPlsqlRecordField(String fieldName, int idx) {
ListenerHelper top = stac.pop();
ListenerHelper listenerHelper = stac.peek();
if (listenerHelper.isRecord()) {
RecordHelper recordHelper = (RecordHelper) stac.peek();
ObjectRelationalDataTypeDescriptor ordt =
descriptorMap.get(recordHelper.targetTypeName().toLowerCase());
String lFieldName = fieldName.toLowerCase();
if (ordt.getMappingForAttributeName(lFieldName) == null) {
if (top.isComplex()) {
if (top.isTable()) {
if (((TableHelper) top).isNestedComplex()) {
ObjectArrayMapping objectArrayMapping = new ObjectArrayMapping();
objectArrayMapping.setAttributeName(lFieldName);
objectArrayMapping.setFieldName(lFieldName);
objectArrayMapping.setStructureName(top.targetTypeName());
objectArrayMapping.setReferenceClassName(
((TableHelper) top).tableName().toLowerCase() + COLLECTION_WRAPPER_SUFFIX);
ordt.addMapping(objectArrayMapping);
} else {
ArrayMapping arrayMapping = new ArrayMapping();
arrayMapping.setAttributeName(lFieldName);
arrayMapping.setFieldName(lFieldName);
arrayMapping.setStructureName(top.targetTypeName());
ordt.addMapping(arrayMapping);
}
} else if (top.isRecord()) {
StructureMapping structureMapping = new StructureMapping();
structureMapping.setAttributeName(lFieldName);
structureMapping.setFieldName(lFieldName);
structureMapping.setReferenceClassName(((RecordHelper) top).recordName().toLowerCase());
ordt.addMapping(structureMapping);
}
} else {
ordt.addDirectMapping(lFieldName, lFieldName);
}
}
} else {
System.identityHashCode(listenerHelper);
}
}
/**
* 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;
}
