@Override
public Map<String, DefaultEntityMetaData> getEntityMetaData(RepositoryCollection source) {
// TODO: this task is actually a 'merge' instead of 'import'
// so we need to consider both new metadata as existing ...
Map<String, DefaultEntityMetaData> entities =
new LinkedHashMap<String, DefaultEntityMetaData>();
// load attributes first (because entities are optional).
for (Entity a : source.getRepositoryByEntityName("attributes")) {
int i = 1;
String entityName = a.getString("entity");
// required
if (entityName == null) throw new IllegalArgumentException("attributes.entity is missing");
if (a.get("name") == null) throw new IllegalArgumentException("attributes.name is missing");
// create entity if not yet defined
if (entities.get(entityName) == null)
entities.put(entityName, new DefaultEntityMetaData(entityName));
DefaultEntityMetaData md = entities.get(entityName);
DefaultAttributeMetaData am = new DefaultAttributeMetaData(a.getString("name"));
if (a.get("dataType") != null) {
FieldType t = MolgenisFieldTypes.getType(a.getString("dataType"));
if (t == null)
throw new IllegalArgumentException(
"attributes.type error on line " + i + ": " + a.getString("dataType") + " unknown");
am.setDataType(t);
}
if (a.get("nillable") != null) am.setNillable(a.getBoolean("nillable"));
if (a.get("auto") != null) am.setAuto(a.getBoolean("auto"));
if (a.get("idAttribute") != null) am.setIdAttribute(a.getBoolean("idAttribute"));
md.addAttributeMetaData(am);
}
// load all entities (optional)
if (source.getRepositoryByEntityName("entities") != null) {
int i = 1;
for (Entity e : source.getRepositoryByEntityName("entities")) {
i++;
String entityName = e.getString("name");
// required
if (entityName == null)
throw new IllegalArgumentException("entity.name is missing on line " + i);
if (entities.get(entityName) == null)
entities.put(entityName, new DefaultEntityMetaData(entityName));
DefaultEntityMetaData md = entities.get(entityName);
if (e.get("description") != null) md.setDescription(e.getString("description"));
}
}
// re-iterate to map the mrefs/xref refEntity (or give error if not found)
// TODO: consider also those in existing db
int i = 1;
for (Entity a : source.getRepositoryByEntityName("attributes")) {
i++;
if (a.get("refEntity") != null) {
DefaultEntityMetaData em = entities.get(a.getString("entity"));
DefaultAttributeMetaData am =
(DefaultAttributeMetaData) em.getAttribute(a.getString("name"));
if (entities.get(a.getString("refEntity")) == null) {
throw new IllegalArgumentException(
"attributes.refEntity error on line "
+ i
+ ": "
+ a.getString("refEntity")
+ " unknown");
}
am.setRefEntity(entities.get(a.getString("refEntity")));
}
}
return entities;
}
