private Collection<IndexManager> uniqueIndexManagerForTypes(Collection<Class<?>> entityTypes) {
HashMap<String, IndexManager> uniqueBackends =
new HashMap<String, IndexManager>(entityTypes.size());
for (Class<?> type : entityTypes) {
EntityIndexBinding indexBindingForEntity = searchFactoryImplementor.getIndexBinding(type);
if (indexBindingForEntity != null) {
IndexManager[] indexManagers = indexBindingForEntity.getIndexManagers();
for (IndexManager im : indexManagers) {
uniqueBackends.put(im.getIndexName(), im);
}
}
}
return uniqueBackends.values();
}
private void sendWorkToShards(LuceneWork work, boolean forceAsync) {
final Class<?> entityType = work.getEntityClass();
EntityIndexBinding entityIndexBinding = searchFactoryImplementor.getIndexBinding(entityType);
IndexShardingStrategy shardingStrategy = entityIndexBinding.getSelectionStrategy();
if (forceAsync) {
work.getWorkDelegate(StreamingSelectionVisitor.INSTANCE)
.performStreamOperation(work, shardingStrategy, progressMonitor, forceAsync);
} else {
WorkQueuePerIndexSplitter workContext = new WorkQueuePerIndexSplitter();
work.getWorkDelegate(TransactionalSelectionVisitor.INSTANCE)
.performOperation(work, shardingStrategy, workContext);
workContext.commitOperations(
progressMonitor); // FIXME I need a "Force sync" actually for when using PurgeAll before
// the indexing starts
}
}