@Override
public IndexReader open(Class<?>... entities) {
if (entities.length == 0) {
throw log.needAtLeastOneIndexedEntityType();
}
HashMap<String, IndexManager> indexManagers = new HashMap<String, IndexManager>();
for (Class<?> type : entities) {
EntityIndexBinding entityIndexBinding = searchFactory.getSafeIndexBindingForEntity(type);
IndexManager[] indexManagersForAllShards =
entityIndexBinding.getSelectionStrategy().getIndexManagersForAllShards();
for (IndexManager im : indexManagersForAllShards) {
indexManagers.put(im.getIndexName(), im);
}
}
IndexManager[] uniqueIndexManagers =
indexManagers.values().toArray(new IndexManager[indexManagers.size()]);
return MultiReaderFactory.openReader(uniqueIndexManagers);
}
@Override
public IndexReader open(String... indexNames) {
TreeSet<String> names = new TreeSet<String>();
for (String name : indexNames) {
if (name != null) {
names.add(name);
}
}
final int size = names.size();
if (size == 0) {
throw log.needAtLeastOneIndexName();
}
String[] indexManagerNames = names.toArray(new String[size]);
IndexManagerHolder managerSource = searchFactory.getIndexManagerHolder();
IndexManager[] managers = new IndexManager[size];
for (int i = 0; i < size; i++) {
String indexName = indexManagerNames[i];
managers[i] = managerSource.getIndexManager(indexName);
if (managers[i] == null) {
throw log.requestedIndexNotDefined(indexName);
}
}
return MultiReaderFactory.openReader(managers);
}