public void testReadOnlySpecificSchema() {
JDBCMetaDataConfiguration configuration = new JDBCMetaDataConfiguration();
OverrideRepository or = new OverrideRepository();
or.addSchemaSelection(new SchemaSelection(null, SCHEMA));
configuration.setReverseEngineeringStrategy(
or.getReverseEngineeringStrategy(new DefaultReverseEngineeringStrategy()));
configuration.readFromJDBC();
List<Table> tables = getTables(configuration);
assertEquals(2, tables.size());
Table catchild = (Table) tables.get(0);
Table catmaster = (Table) tables.get(1);
if (catchild.getName().equals(TABLE2)) {
catchild = (Table) tables.get(1);
catmaster = (Table) tables.get(0);
}
TableIdentifier masterid = TableIdentifier.create(catmaster);
TableIdentifier childid = TableIdentifier.create(catchild);
assertEquals(new TableIdentifier(null, SCHEMA, TABLE1), childid);
assertEquals(new TableIdentifier(null, SCHEMA, TABLE2), masterid);
}
// bind collections.
private void bindIncomingForeignKeys(
PersistentClass rc, Set processed, List foreignKeys, Mapping mapping) {
if (foreignKeys != null) {
for (Iterator iter = foreignKeys.iterator(); iter.hasNext(); ) {
ForeignKey foreignKey = (ForeignKey) iter.next();
if (revengStrategy.excludeForeignKeyAsCollection(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns())) {
log.debug(
"Rev.eng excluded one-to-many or one-to-one for foreignkey " + foreignKey.getName());
} else if (revengStrategy.isOneToOne(foreignKey)) {
Property property =
bindOneToOne(rc, foreignKey.getTable(), foreignKey, processed, false, true);
rc.addProperty(property);
} else {
Property property = bindOneToMany(rc, foreignKey, processed, mapping);
rc.addProperty(property);
}
}
}
}
private Property bindOneToOne(
PersistentClass rc,
Table targetTable,
ForeignKey fk,
Set processedColumns,
boolean constrained,
boolean inverseProperty) {
OneToOne value = new OneToOne(targetTable, rc);
value.setReferencedEntityName(
revengStrategy.tableToClassName(TableIdentifier.create(targetTable)));
boolean isUnique = isUniqueReference(fk);
String propertyName = null;
if (inverseProperty) {
propertyName =
revengStrategy.foreignKeyToInverseEntityName(
fk.getName(),
TableIdentifier.create(fk.getReferencedTable()),
fk.getReferencedColumns(),
TableIdentifier.create(targetTable),
fk.getColumns(),
isUnique);
} else {
propertyName =
revengStrategy.foreignKeyToEntityName(
fk.getName(),
TableIdentifier.create(fk.getReferencedTable()),
fk.getReferencedColumns(),
TableIdentifier.create(targetTable),
fk.getColumns(),
isUnique);
}
Iterator columns = fk.getColumnIterator();
while (columns.hasNext()) {
Column fkcolumn = (Column) columns.next();
checkColumn(fkcolumn);
value.addColumn(fkcolumn);
processedColumns.add(fkcolumn);
}
value.setFetchMode(FetchMode.SELECT);
value.setConstrained(constrained);
value.setForeignKeyType(
constrained
? ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT
: ForeignKeyDirection.FOREIGN_KEY_TO_PARENT);
return makeEntityProperty(propertyName, true, targetTable, fk, value, inverseProperty);
// return makeProperty(TableIdentifier.create(targetTable), propertyName, value,
// true, true, value.getFetchMode() != FetchMode.JOIN, null, null);
}
private void bindColumnsToVersioning(Table table, RootClass rc, Set processed, Mapping mapping) {
TableIdentifier identifier = TableIdentifier.create(table);
String optimisticLockColumnName = revengStrategy.getOptimisticLockColumnName(identifier);
if (optimisticLockColumnName != null) {
Column column = table.getColumn(new Column(optimisticLockColumnName));
if (column == null) {
log.warn(
"Column " + column + " wanted for <version>/<timestamp> not found in " + identifier);
} else {
bindVersionProperty(table, identifier, column, rc, processed, mapping);
}
} else {
log.debug("Scanning " + identifier + " for <version>/<timestamp> columns.");
Iterator columnIterator = table.getColumnIterator();
while (columnIterator.hasNext()) {
Column column = (Column) columnIterator.next();
boolean useIt = revengStrategy.useColumnForOptimisticLock(identifier, column.getName());
if (useIt && !processed.contains(column)) {
bindVersionProperty(table, identifier, column, rc, processed, mapping);
return;
}
}
log.debug(
"No columns reported while scanning for <version>/<timestamp> columns in " + identifier);
}
}
private Property bindBasicProperty(
String propertyName, Table table, Column column, Set processedColumns, Mapping mapping) {
SimpleValue value = bindColumnToSimpleValue(table, column, mapping, false);
return makeProperty(
TableIdentifier.create(table), propertyName, value, true, true, false, null, null);
}
/**
* bind many-to-ones
*
* @param table
* @param rc
* @param primaryKey
*/
private void bindOutgoingForeignKeys(Table table, RootClass rc, Set processedColumns) {
// Iterate the outgoing foreign keys and create many-to-one's
for (Iterator iterator = table.getForeignKeyIterator(); iterator.hasNext(); ) {
ForeignKey foreignKey = (ForeignKey) iterator.next();
boolean mutable = true;
if (contains(foreignKey.getColumnIterator(), processedColumns)) {
if (!cfg.preferBasicCompositeIds()) continue; // it's in the pk, so skip this one
mutable = false;
}
if (revengStrategy.excludeForeignKeyAsManytoOne(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns())) {
// TODO: if many-to-one is excluded should the column be marked as processed so it won't
// show up at all ?
log.debug("Rev.eng excluded *-to-one for foreignkey " + foreignKey.getName());
} else if (revengStrategy.isOneToOne(foreignKey)) {
Property property =
bindOneToOne(
rc, foreignKey.getReferencedTable(), foreignKey, processedColumns, true, false);
rc.addProperty(property);
} else {
boolean isUnique = isUniqueReference(foreignKey);
String propertyName =
revengStrategy.foreignKeyToEntityName(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns(),
isUnique);
Property property =
bindManyToOne(
makeUnique(rc, propertyName), mutable, table, foreignKey, processedColumns);
rc.addProperty(property);
}
}
}
private Property makeCollectionProperty(
String propertyName,
boolean mutable,
Table table,
ForeignKey fk,
Collection value,
boolean inverseProperty) {
AssociationInfo fkei =
inverseProperty
? revengStrategy.foreignKeyToInverseAssociationInfo(fk)
: revengStrategy.foreignKeyToAssociationInfo(fk);
String fetchMode = null;
String cascade = null;
boolean update = mutable;
boolean insert = mutable;
if (fkei != null) {
cascade = fkei.getCascade();
if (cascade == null)
cascade =
"all"; // To ensure collections cascade to be compatible with Seam-gen and previous
// behavior.
if (fkei.getUpdate() != null) {
update = fkei.getUpdate().booleanValue();
}
if (fkei.getInsert() != null) {
insert = fkei.getInsert().booleanValue();
}
fetchMode = fkei.getFetch();
}
if (FetchMode.JOIN.toString().equalsIgnoreCase(fetchMode)) {
value.setFetchMode(FetchMode.JOIN);
} else if (FetchMode.SELECT.toString().equalsIgnoreCase(fetchMode)) {
value.setFetchMode(FetchMode.SELECT);
} else {
value.setFetchMode(FetchMode.SELECT);
}
return makeProperty(
TableIdentifier.create(table),
propertyName,
value,
insert,
update,
value.getFetchMode() != FetchMode.JOIN,
cascade,
null);
}
private Property makeEntityProperty(
String propertyName,
boolean mutable,
Table table,
ForeignKey fk,
ToOne value,
boolean inverseProperty) {
AssociationInfo fkei =
inverseProperty
? revengStrategy.foreignKeyToInverseAssociationInfo(fk)
: revengStrategy.foreignKeyToAssociationInfo(fk);
String fetchMode = null;
String cascade = null;
boolean update = mutable;
boolean insert = mutable;
if (fkei != null) {
cascade = fkei.getCascade();
if (fkei.getUpdate() != null) {
update = fkei.getUpdate().booleanValue();
}
if (fkei.getInsert() != null) {
insert = fkei.getInsert().booleanValue();
}
fetchMode = fkei.getFetch();
}
if (FetchMode.JOIN.toString().equalsIgnoreCase(fetchMode)) {
value.setFetchMode(FetchMode.JOIN);
} else if (FetchMode.SELECT.toString().equalsIgnoreCase(fetchMode)) {
value.setFetchMode(FetchMode.SELECT);
} else {
value.setFetchMode(FetchMode.SELECT);
}
return makeProperty(
TableIdentifier.create(table),
propertyName,
value,
insert,
update,
value.getFetchMode() != FetchMode.JOIN,
cascade,
null);
}
/**
* @param table
* @param rc
* @param primaryKey
*/
private void bindColumnsToProperties(
Table table, RootClass rc, Set processedColumns, Mapping mapping) {
for (Iterator iterator = table.getColumnIterator(); iterator.hasNext(); ) {
Column column = (Column) iterator.next();
if (!processedColumns.contains(column)) {
checkColumn(column);
String propertyName =
revengStrategy.columnToPropertyName(TableIdentifier.create(table), column.getName());
Property property =
bindBasicProperty(
makeUnique(rc, propertyName), table, column, processedColumns, mapping);
rc.addProperty(property);
}
}
}
/**
* Basically create an [classname]Id.class and add properties for it.
*
* @param rc
* @param compositeKeyColumns
* @param processed
* @return
*/
private SimpleValue handleCompositeKey(
RootClass rc, Set processedColumns, List keyColumns, Mapping mapping) {
Component pkc = new Component(rc);
pkc.setMetaAttributes(Collections.EMPTY_MAP);
pkc.setEmbedded(false);
String compositeIdName =
revengStrategy.tableToCompositeIdName(TableIdentifier.create(rc.getTable()));
if (compositeIdName == null) {
compositeIdName = revengStrategy.classNameToCompositeIdName(rc.getClassName());
}
pkc.setComponentClassName(compositeIdName);
Table table = rc.getTable();
List list = null;
if (cfg.preferBasicCompositeIds()) {
list = new ArrayList(keyColumns);
} else {
list = findForeignKeys(table.getForeignKeyIterator(), keyColumns);
}
for (Iterator iter = list.iterator(); iter.hasNext(); ) {
Object element = iter.next();
Property property;
if (element instanceof Column) {
Column column = (Column) element;
if (processedColumns.contains(column)) {
throw new JDBCBinderException(
"Binding column twice for primary key should not happen: " + column);
} else {
checkColumn(column);
String propertyName =
revengStrategy.columnToPropertyName(TableIdentifier.create(table), column.getName());
property =
bindBasicProperty(
makeUnique(pkc, propertyName), table, column, processedColumns, mapping);
processedColumns.add(column);
}
} else if (element instanceof ForeignKeyForColumns) {
ForeignKeyForColumns fkfc = (ForeignKeyForColumns) element;
ForeignKey foreignKey = fkfc.key;
String propertyName =
revengStrategy.foreignKeyToEntityName(
foreignKey.getName(),
TableIdentifier.create(foreignKey.getTable()),
foreignKey.getColumns(),
TableIdentifier.create(foreignKey.getReferencedTable()),
foreignKey.getReferencedColumns(),
true);
property =
bindManyToOne(makeUnique(pkc, propertyName), true, table, foreignKey, processedColumns);
processedColumns.addAll(fkfc.columns);
} else {
throw new JDBCBinderException("unknown thing");
}
markAsUseInEquals(property);
pkc.addProperty(property);
}
return pkc;
}
/**
* @param column
* @param generatedIdentifier
* @return
*/
private String guessAndAlignType(
Table table, Column column, Mapping mapping, boolean generatedIdentifier) {
// TODO: this method mutates the column if the types does not match...not good.
// maybe we should copy the column instead before calling this method.
Integer sqlTypeCode = column.getSqlTypeCode();
String location =
"Table: "
+ Table.qualify(table.getCatalog(), table.getSchema(), table.getQuotedName())
+ " column: "
+ column.getQuotedName();
if (sqlTypeCode == null) {
throw new JDBCBinderException("sqltype is null for " + location);
}
String preferredHibernateType =
revengStrategy.columnToHibernateTypeName(
TableIdentifier.create(table),
column.getName(),
sqlTypeCode.intValue(),
column.getLength(),
column.getPrecision(),
column.getScale(),
column.isNullable(),
generatedIdentifier);
Type wantedType = TypeFactory.heuristicType(preferredHibernateType);
if (wantedType != null) {
int[] wantedSqlTypes = wantedType.sqlTypes(mapping);
if (wantedSqlTypes.length > 1) {
throw new JDBCBinderException(
"The type "
+ preferredHibernateType
+ " found on "
+ location
+ " spans multiple columns. Only single column types allowed.");
}
int wantedSqlType = wantedSqlTypes[0];
if (wantedSqlType != sqlTypeCode.intValue()) {
log.debug(
"Sql type mismatch for "
+ location
+ " between DB and wanted hibernate type. Sql type set to "
+ typeCodeName(sqlTypeCode.intValue())
+ " instead of "
+ typeCodeName(wantedSqlType));
column.setSqlTypeCode(new Integer(wantedSqlType));
}
} else {
log.debug(
"No Hibernate type found for "
+ preferredHibernateType
+ ". Most likely cause is a missing UserType class.");
}
if (preferredHibernateType == null) {
throw new JDBCBinderException(
"Could not find javatype for " + typeCodeName(sqlTypeCode.intValue()));
}
return preferredHibernateType;
}
private PrimaryKeyInfo bindPrimaryKeyToProperties(
Table table, RootClass rc, Set processed, Mapping mapping, DatabaseCollector collector) {
SimpleValue id = null;
String idPropertyname = null;
PrimaryKeyInfo pki = new PrimaryKeyInfo();
List keyColumns = null;
if (table.getPrimaryKey() != null) {
keyColumns = table.getPrimaryKey().getColumns();
} else {
log.debug("No primary key found for " + table + ", using all properties as the identifier.");
keyColumns = new ArrayList();
Iterator iter = table.getColumnIterator();
while (iter.hasNext()) {
Column col = (Column) iter.next();
keyColumns.add(col);
}
}
final TableIdentifier tableIdentifier = TableIdentifier.create(table);
String tableIdentifierStrategyName = "assigned";
boolean naturalId;
if (keyColumns.size() > 1) {
log.debug(
"id strategy for " + rc.getEntityName() + " since it has a multiple column primary key");
naturalId = true;
id = handleCompositeKey(rc, processed, keyColumns, mapping);
idPropertyname = revengStrategy.tableToIdentifierPropertyName(tableIdentifier);
if (idPropertyname == null) {
idPropertyname = "id";
}
} else {
pki.suggestedStrategy = revengStrategy.getTableIdentifierStrategyName(tableIdentifier);
String suggestedStrategy = pki.suggestedStrategy;
if (suggestedStrategy == null) {
suggestedStrategy =
collector.getSuggestedIdentifierStrategy(
tableIdentifier.getCatalog(),
tableIdentifier.getSchema(),
tableIdentifier.getName());
if (suggestedStrategy == null) {
suggestedStrategy = "assigned";
}
tableIdentifierStrategyName = suggestedStrategy;
} else {
tableIdentifierStrategyName = suggestedStrategy;
}
naturalId = "assigned".equals(tableIdentifierStrategyName);
Column pkc = (Column) keyColumns.get(0);
checkColumn(pkc);
id = bindColumnToSimpleValue(table, pkc, mapping, !naturalId);
idPropertyname = revengStrategy.tableToIdentifierPropertyName(tableIdentifier);
if (idPropertyname == null) {
idPropertyname = revengStrategy.columnToPropertyName(tableIdentifier, pkc.getName());
}
processed.add(pkc);
}
id.setIdentifierGeneratorStrategy(tableIdentifierStrategyName);
pki.suggestedProperties = revengStrategy.getTableIdentifierProperties(tableIdentifier);
id.setIdentifierGeneratorProperties(pki.suggestedProperties);
if (naturalId) {
id.setNullValue("undefined");
}
Property property =
makeProperty(
tableIdentifier, makeUnique(rc, idPropertyname), id, true, true, false, null, null);
rc.setIdentifierProperty(property);
rc.setIdentifier(id);
return pki;
}
private String bindCollection(
PersistentClass rc,
ForeignKey fromForeignKey,
ForeignKey toForeignKey,
Collection collection) {
ForeignKey targetKey = fromForeignKey;
String collectionRole = null;
boolean collectionLazy = false;
boolean collectionInverse = false;
TableIdentifier foreignKeyTable = null;
String tableToClassName;
if (toForeignKey != null) {
targetKey = toForeignKey;
}
boolean uniqueReference =
isUniqueReference(targetKey); // TODO: need to look one step further for many-to-many!
foreignKeyTable = TableIdentifier.create(targetKey.getTable());
TableIdentifier foreignKeyReferencedTable =
TableIdentifier.create(targetKey.getReferencedTable());
if (toForeignKey == null) {
collectionRole =
revengStrategy.foreignKeyToCollectionName(
fromForeignKey.getName(),
foreignKeyTable,
fromForeignKey.getColumns(),
foreignKeyReferencedTable,
fromForeignKey.getReferencedColumns(),
uniqueReference);
tableToClassName = revengStrategy.tableToClassName(foreignKeyTable);
} else {
collectionRole =
revengStrategy.foreignKeyToManyToManyName(
fromForeignKey,
TableIdentifier.create(fromForeignKey.getTable()),
toForeignKey,
uniqueReference);
tableToClassName = revengStrategy.tableToClassName(foreignKeyReferencedTable);
}
collectionInverse =
revengStrategy.isForeignKeyCollectionInverse(
targetKey.getName(),
foreignKeyTable,
targetKey.getColumns(),
foreignKeyReferencedTable,
targetKey.getReferencedColumns());
collectionLazy =
revengStrategy.isForeignKeyCollectionLazy(
targetKey.getName(),
foreignKeyTable,
targetKey.getColumns(),
foreignKeyReferencedTable,
targetKey.getReferencedColumns());
collectionRole = makeUnique(rc, collectionRole);
String fullRolePath = StringHelper.qualify(rc.getEntityName(), collectionRole);
if (mappings.getCollection(fullRolePath) != null) {
log.debug(fullRolePath + " found twice!");
}
collection.setRole(fullRolePath); // Master.setOfChildren+
collection.setInverse(collectionInverse); // TODO: allow overriding this
collection.setLazy(collectionLazy);
collection.setFetchMode(FetchMode.SELECT);
return tableToClassName;
}
/**
* @param manyToOneCandidates
* @param mappings2
*/
private void createPersistentClasses(DatabaseCollector collector, Mapping mapping) {
Map manyToOneCandidates = collector.getOneToManyCandidates();
for (Iterator iter = mappings.iterateTables(); iter.hasNext(); ) {
Table table = (Table) iter.next();
if (table.getColumnSpan() == 0) {
log.warn("Cannot create persistent class for " + table + " as no columns were found.");
continue;
}
// TODO: this naively just create an entity per table
// should have an opt-out option to mark some as helper tables, subclasses etc.
/*if(table.getPrimaryKey()==null || table.getPrimaryKey().getColumnSpan()==0) {
log.warn("Cannot create persistent class for " + table + " as no primary key was found.");
continue;
// TODO: just create one big embedded composite id instead.
}*/
if (revengStrategy.isManyToManyTable(table)) {
log.debug("Ignoring " + table + " as class since rev.eng. says it is a many-to-many");
continue;
}
RootClass rc = new RootClass();
TableIdentifier tableIdentifier = TableIdentifier.create(table);
String className = revengStrategy.tableToClassName(tableIdentifier);
log.debug("Building entity " + className + " based on " + tableIdentifier);
rc.setEntityName(className);
rc.setClassName(className);
rc.setProxyInterfaceName(rc.getEntityName()); // TODO: configurable ?
rc.setLazy(true);
rc.setMetaAttributes(safeMeta(revengStrategy.tableToMetaAttributes(tableIdentifier)));
rc.setDiscriminatorValue(rc.getEntityName());
rc.setTable(table);
try {
mappings.addClass(rc);
} catch (DuplicateMappingException dme) {
// TODO: detect this and generate a "permutation" of it ?
PersistentClass class1 = mappings.getClass(dme.getName());
Table table2 = class1.getTable();
throw new JDBCBinderException(
"Duplicate class name '"
+ rc.getEntityName()
+ "' generated for '"
+ table
+ "'. Same name where generated for '"
+ table2
+ "'");
}
mappings.addImport(rc.getEntityName(), rc.getEntityName());
Set processed = new HashSet();
PrimaryKeyInfo pki = bindPrimaryKeyToProperties(table, rc, processed, mapping, collector);
bindColumnsToVersioning(table, rc, processed, mapping);
bindOutgoingForeignKeys(table, rc, processed);
bindColumnsToProperties(table, rc, processed, mapping);
List incomingForeignKeys = (List) manyToOneCandidates.get(rc.getEntityName());
bindIncomingForeignKeys(rc, processed, incomingForeignKeys, mapping);
updatePrimaryKey(rc, pki);
}
}