@Override
public Object bind(
RootParamNode rootParamNode,
String name,
Class clazz,
java.lang.reflect.Type type,
Annotation[] annotations) {
// TODO need to be more generic in order to work with JPASupport
if (clazz.isAnnotationPresent(Entity.class)) {
ParamNode paramNode = rootParamNode.getChild(name, true);
String[] keyNames = new JPAModelLoader(clazz).keyNames();
ParamNode[] ids = new ParamNode[keyNames.length];
// Collect the matching ids
int i = 0;
for (String keyName : keyNames) {
ids[i++] = paramNode.getChild(keyName, true);
}
if (ids != null && ids.length > 0) {
try {
EntityManager em = JPABase.getJPAConfig(clazz).getJPAContext().em();
StringBuilder q =
new StringBuilder().append("from ").append(clazz.getName()).append(" o where");
int keyIdx = 1;
for (String keyName : keyNames) {
q.append(" o.").append(keyName).append(" = ?").append(keyIdx++).append(" and ");
}
if (q.length() > 4) {
q = q.delete(q.length() - 4, q.length());
}
Query query = em.createQuery(q.toString());
// The primary key can be a composite.
Class[] pk = new JPAModelLoader(clazz).keyTypes();
int j = 0;
for (ParamNode id : ids) {
if (id.getValues() == null
|| id.getValues().length == 0
|| id.getFirstValue(null) == null
|| id.getFirstValue(null).trim().length() <= 0) {
// We have no ids, it is a new entity
return GenericModel.create(rootParamNode, name, clazz, annotations);
}
query.setParameter(
j + 1,
Binder.directBind(
id.getOriginalKey(), annotations, id.getValues()[0], pk[j++], null));
}
Object o = query.getSingleResult();
return GenericModel.edit(rootParamNode, name, o, annotations);
} catch (NoResultException e) {
// ok
} catch (Exception e) {
throw new UnexpectedException(e);
}
}
return GenericModel.create(rootParamNode, name, clazz, annotations);
}
return null;
}
@Override
public Object bindBean(RootParamNode rootParamNode, String name, Object bean) {
if (bean instanceof JPABase) {
return GenericModel.edit(rootParamNode, name, bean, null);
}
return null;
}
@Override
public Object bind(String name, Object o, Map<String, String[]> params) {
if (o instanceof JPABase) {
return GenericModel.edit(o, name, params, null);
}
return null;
}
public static String getStringId(GenericModel<?> hasId) {
String stringId = null;
if (hasId != null) {
Long id = hasId.getId();
stringId = getStringId(id);
}
return stringId;
}
@Override
@SuppressWarnings("unchecked")
public Object bind(
String name,
Class clazz,
java.lang.reflect.Type type,
Annotation[] annotations,
Map<String, String[]> params) {
// TODO need to be more generic in order to work with JPASupport
if (JPABase.class.isAssignableFrom(clazz)) {
String keyName = Model.Manager.factoryFor(clazz).keyName();
String idKey = name + "." + keyName;
if (params.containsKey(idKey)
&& params.get(idKey).length > 0
&& params.get(idKey)[0] != null
&& params.get(idKey)[0].trim().length() > 0) {
String id = params.get(idKey)[0];
try {
Query query =
JPA.em().createQuery("from " + clazz.getName() + " o where o." + keyName + " = ?");
query.setParameter(
1,
play.data.binding.Binder.directBind(
name, annotations, id + "", Model.Manager.factoryFor(clazz).keyType()));
Object o = query.getSingleResult();
return GenericModel.edit(o, name, params, annotations);
} catch (NoResultException e) {
// ok
} catch (Exception e) {
throw new UnexpectedException(e);
}
}
return GenericModel.create(clazz, name, params, annotations);
}
return super.bind(name, clazz, type, annotations, params);
}