public static String getEntityName(Class entity) {
if (mappedName.get(entity) != null) {
return mappedName.get(entity);
}
String name = null;
Table table = (Table) entity.getAnnotation(Table.class);
if (table != null && table.name() != null && !table.name().isEmpty()) {
name = table.name();
} else {
Entity entityAnnotation = (Entity) entity.getAnnotation(Entity.class);
if (entityAnnotation != null
&& entityAnnotation.name() != null
&& !entityAnnotation.name().isEmpty()) {
name = entityAnnotation.name();
} else {
name = entity.getSimpleName();
}
}
mappedName.put(entity, name);
return name;
}
/**
* Gets all the annotation info for a particular class and puts it in our annotation info cache.
*
* @param c
* @return
*/
public AnnotationInfo putAnnotationInfo(Class c) {
{
Entity entity = (Entity) c.getAnnotation(Entity.class);
if (entity == null) {
throw new PersistenceException("Class not marked as an @Entity: " + c.getName());
}
}
AnnotationInfo ai = new AnnotationInfo();
ai.setClassAnnotations(c.getAnnotations());
ai.setMainClass(c);
Class superClass = c;
Class rootClass = null;
while ((superClass = superClass.getSuperclass()) != null) {
MappedSuperclass mappedSuperclass =
(MappedSuperclass) superClass.getAnnotation(MappedSuperclass.class);
Entity entity = (Entity) superClass.getAnnotation(Entity.class);
Inheritance inheritance = (Inheritance) superClass.getAnnotation(Inheritance.class);
if (mappedSuperclass != null || entity != null) {
putProperties(ai, superClass);
putMethods(ai, superClass);
if (entity != null) {
rootClass = superClass;
}
putEntityListeners(ai, superClass);
}
}
if (rootClass != null) {
ai.setRootClass(rootClass);
DiscriminatorValue dv = (DiscriminatorValue) c.getAnnotation(DiscriminatorValue.class);
String discriminatorValue;
if (dv != null) {
discriminatorValue = dv.value();
if (discriminatorValue == null) {
throw new PersistenceException(
"You must specify a value= for @DiscriminatorValue on " + c.getName());
}
} else {
discriminatorValue = c.getSimpleName();
}
ai.setDiscriminatorValue(discriminatorValue);
discriminatorMap.put(discriminatorValue, ai);
} else {
ai.setRootClass(c);
}
putTableDeclaration(ai, c);
putProperties(ai, c);
putMethods(ai, c);
if (ai.getIdMethod() == null) {
throw new PersistenceException("No ID method specified for: " + c.getName());
}
putEntityListeners(ai, c);
getAnnotationMap().put(c.getName(), ai);
return ai;
}
private void putEntityListeners(AnnotationInfo ai, Class c) {
EntityListeners listeners = (EntityListeners) c.getAnnotation(EntityListeners.class);
if (listeners != null) {
logger.fine("Found EntityListeners for " + c + " - " + listeners);
putEntityListeners(ai, listeners);
}
}
private void putTableDeclaration(AnnotationInfo ai, Class<?> c) {
Table table = c.getAnnotation(Table.class);
if (table != null) {
if (table.name() == null)
throw new PersistenceException("You must specify a name= for @Table on " + c.getName());
ai.setDomainName(table.name());
}
}
private Class<?> getCompositeKeyClass() {
Class<?> tclazz = clazz;
while (!tclazz.equals(Object.class)) {
// Only consider mapped types
if (tclazz.isAnnotationPresent(Entity.class)
|| tclazz.isAnnotationPresent(MappedSuperclass.class)) {
IdClass idClass = tclazz.getAnnotation(IdClass.class);
if (idClass != null) return idClass.value();
}
tclazz = tclazz.getSuperclass();
}
throw new UnexpectedException(
"Invalid mapping for class " + clazz + ": multiple IDs with no @IdClass annotation");
}