private DeployInheritInfo createInfo(Class<?> cls) {
DeployInheritInfo info = new DeployInheritInfo(cls);
Class<?> parent = findParent(cls);
if (parent != null) {
info.setParent(parent);
} else {
// its the root of inheritance tree...
}
Inheritance ia = (Inheritance) cls.getAnnotation(Inheritance.class);
if (ia != null) {
ia.strategy();
}
DiscriminatorColumn da = (DiscriminatorColumn) cls.getAnnotation(DiscriminatorColumn.class);
if (da != null) {
// lowercase the discriminator column for RawSql and JSON
info.setDiscriminatorColumn(da.name().toLowerCase());
DiscriminatorType discriminatorType = da.discriminatorType();
if (discriminatorType.equals(DiscriminatorType.INTEGER)) {
info.setDiscriminatorType(Types.INTEGER);
} else {
info.setDiscriminatorType(Types.VARCHAR);
}
info.setDiscriminatorLength(da.length());
}
DiscriminatorValue dv = (DiscriminatorValue) cls.getAnnotation(DiscriminatorValue.class);
if (dv != null) {
info.setDiscriminatorValue(dv.value());
}
return info;
}
/** Introspects the Inheritance */
void introspectInheritance(
AmberPersistenceUnit persistenceUnit,
EntityType entityType,
Class type,
Inheritance inheritanceAnn,
InheritanceConfig inheritanceConfig)
throws ConfigException, SQLException {
InheritanceType strategy;
if (inheritanceAnn != null) strategy = inheritanceAnn.strategy();
else strategy = inheritanceConfig.getStrategy();
switch (strategy) {
case JOINED:
entityType.setJoinedSubClass(true);
break;
}
getInternalDiscriminatorColumnConfig(type, _annotationCfg);
DiscriminatorColumn discriminatorAnn = (DiscriminatorColumn) _annotationCfg.getAnnotation();
DiscriminatorColumnConfig discriminatorConfig = _annotationCfg.getDiscriminatorColumnConfig();
String columnName = null;
if (discriminatorAnn != null) columnName = discriminatorAnn.name();
if (columnName == null || columnName.equals("")) columnName = "DTYPE";
AmberType columnType = null;
DiscriminatorType discType = DiscriminatorType.STRING;
if (discriminatorAnn != null) discType = discriminatorAnn.discriminatorType();
switch (discType) {
case STRING:
columnType = StringType.create();
break;
case CHAR:
columnType = PrimitiveCharType.create();
break;
case INTEGER:
columnType = PrimitiveIntType.create();
break;
default:
throw new IllegalStateException();
}
AmberTable table = entityType.getTable();
// jpa/0gg0
if (table == null) return;
com.caucho.amber.table.AmberColumn column = table.createColumn(columnName, columnType);
if (discriminatorAnn != null) {
// column.setNotNull(! discriminatorAnn.nullable());
column.setLength(discriminatorAnn.length());
if (!"".equals(discriminatorAnn.columnDefinition()))
column.setSQLType(discriminatorAnn.columnDefinition());
} else {
column.setNotNull(true);
column.setLength(10);
}
entityType.setDiscriminator(column);
}